--- _id: '46753' abstract: - lang: eng text: Die Energieaufnahme von Haushaltskältegeräten ist seit den 1990er Jahren erheblich gesunken. Dieser Wert wird von den Herstellern im Neuzustand der Geräte unter Normbedingungen bestimmt. Wie jedes technische System unterliegen jedoch auch Haushaltskältegeräte einem Alterungsprozess, der zu einem Anstieg der Energieaufnahme über die Zeit führt. Im Rahmen dieser Dissertation wurde auf der Grundlage von 100 Messungen der Energieaufnahme, die an 32 Geräten über einen Zeitraum von 21 Jahren durchgeführt wurden, ein Alterungsmodell entwickelt. Dieses Modell ist das erste, das mit Hilfe von Daten der Energieaufnahme real gealterter Geräte entwickelt wurde. Es beschreibt einen Anstieg der Energieaufnahme von 27 % über die durchschnittliche Einsatzzeit eines Haushaltskältegeräts von 16 Jahren. Der stärkste Anstieg erfolgt in den ersten fünf Betriebsjahren. Durch Diffusionsvorgänge in dem im Gehäuse verbauten Polyurethan-Schaum wird das im Zellgas vorhandene Kohlenstoffdioxid durch Luft ersetzt. Hierdurch steigt die Wärmeleitfähigkeit des Schaums um ca. 33 % an, wodurch sich die Energieaufnahme der Geräte erhöht. Des Weiteren wurde der Einsatz von Paraffinen als Phasenwechselmaterial in Haushaltskältegeräten untersucht. Durch deren Einsatz konnte die Energieaufnahme gesenkt und die Funktionalität der Geräte gesteigert werden. Hierfür sind detaillierte Kenntnisse der Materialkenndaten der Paraffine notwendig. Die Wärmeleitfähigkeit der verschiedenen Paraffin-Stoffgruppen in der festen Phase ist jedoch bisher nur unzureichend untersucht worden. Daher wurde ein Messaufbau entwickelt, mit dem die Wärmeleitfähigkeit von festem Paraffin bestimmt werden kann, und es wurden entsprechende Messungen durchgeführt. - lang: eng text: The energy consumption of household refrigeration appliances has decreased significantly since the 1990s. This value is determined by the manufacturers under standard conditions when the appliances are new. However, like any other technical system, these appliances are also subject to an aging process that leads to an increase of energy consumption over the time of usage. As part of this thesis, an aging model was developed on the basis of 100 standard energy consumption measurements carried out on 32 appliances over a period of 21 years. This model is the first to be developed on the basis of energy consumption data from real aged appliances. It describes an increase of energy consumption by 27 % over 16 years, which is the average period of use of a household refrigeration appliance. The largest increase occurs in the first five years of use. Diffusion processes in the polyurethane foam installed in the cabinet of the appliances result in an exchange of carbon dioxide with air. This gas exchange increases the thermal conductivity of the foam by approximately 33 %, which rises the energy consumption of the appliances. Furthermore, the use of paraffins, as one type of phase change materials, in household refrigeration appliances was investigated. The use of these materials made it possible to reduce energy consumption and increase the functionality of the appliances. This application of paraffins requires detailed knowledge of their material characteristics. However, the thermal conductivity of paraffins in the solid state has so far only been investigated insufficiently. Therefore, a measurement setup for determining the thermal conductivity of solid paraffins was developed and corresponding measurements were carried out. author: - first_name: Andreas full_name: Paul, Andreas id: '7828' last_name: Paul citation: ama: Paul A. Analyse von Alterungsmechanismen Im Hinblick Auf Die Effizienz von Haushaltskältegeräten. LibreCat University; 2023. doi:10.17619/UNIPB/1-1784 apa: Paul, A. (2023). Analyse von Alterungsmechanismen im Hinblick auf die Effizienz von Haushaltskältegeräten. LibreCat University. https://doi.org/10.17619/UNIPB/1-1784 bibtex: '@book{Paul_2023, title={Analyse von Alterungsmechanismen im Hinblick auf die Effizienz von Haushaltskältegeräten}, DOI={10.17619/UNIPB/1-1784}, publisher={LibreCat University}, author={Paul, Andreas}, year={2023} }' chicago: Paul, Andreas. Analyse von Alterungsmechanismen Im Hinblick Auf Die Effizienz von Haushaltskältegeräten. LibreCat University, 2023. https://doi.org/10.17619/UNIPB/1-1784. ieee: A. Paul, Analyse von Alterungsmechanismen im Hinblick auf die Effizienz von Haushaltskältegeräten. LibreCat University, 2023. mla: Paul, Andreas. Analyse von Alterungsmechanismen Im Hinblick Auf Die Effizienz von Haushaltskältegeräten. LibreCat University, 2023, doi:10.17619/UNIPB/1-1784. short: A. Paul, Analyse von Alterungsmechanismen Im Hinblick Auf Die Effizienz von Haushaltskältegeräten, LibreCat University, 2023. date_created: 2023-08-29T07:26:23Z date_updated: 2023-08-29T07:30:31Z ddc: - '620' department: - _id: '728' - _id: '155' doi: 10.17619/UNIPB/1-1784 publisher: LibreCat University status: public title: Analyse von Alterungsmechanismen im Hinblick auf die Effizienz von Haushaltskältegeräten type: research_data user_id: '7828' year: '2023' ... --- _id: '29208' abstract: - lang: eng text: The parameters required to calculate the energy efficiency of household refrigerating appliances (i.e. refrigerators, freezers and their combinations) are determined by standard measurements. According to regulations, these measurements are carried out when the appliances are new. It is known from previous studies that various technical aging mechanisms can increase electrical energy consumption by up to 36 % over a product lifespan of 18 years. In order to determine the time dependence of the energy consumption of household refrigerating appliances, repeated measurements are carried out in this work. Eleven new appliances are examined under standard measurement conditions. After just two years of operation, an additional energy consumption of up to 11 % is determined. Furthermore, 21 older appliances that had previously been measured in new condition are tested again after up to 21 years of operation. For these older appliances, an average increase of energy consumption of 28 % is found. For individual appliances, the maximum increase is 36 %. An aging model is developed on the basis of these measurement results, which may help to predict the aging-related increase of energy consumption of household refrigerating appliances. This model shows an average increase in energy consumption of 27 % for an appliance age of 16 years. Supplemental performance tests of eight compressors do not show any significant aging effects related to these devices after two years of operation. Furthermore, measurements of the thermal conductivity of aged polyurethane foam test samples are carried out and an increase of its thermal conductivity of 26 % over a period of about three years is determined. article_number: '117992' author: - first_name: Andreas full_name: Paul, Andreas id: '7828' last_name: Paul - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: Andreas full_name: Elsner, Andreas id: '16124' last_name: Elsner - first_name: Michael full_name: Reineke, Michael id: '24603' last_name: Reineke - first_name: Christian full_name: Hueppe, Christian last_name: Hueppe - first_name: Rainer full_name: Stamminger, Rainer last_name: Stamminger - first_name: Heike full_name: Hoelscher, Heike last_name: Hoelscher - first_name: Hendrik full_name: Wagner, Hendrik last_name: Wagner - first_name: Ulrich full_name: Gries, Ulrich last_name: Gries - first_name: Wolfgang full_name: Becker, Wolfgang last_name: Becker - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec citation: ama: Paul A, Baumhögger E, Elsner A, et al. Impact of aging on the energy efficiency of household refrigerating appliances. Applied Thermal Engineering. 2022;205. doi:10.1016/j.applthermaleng.2021.117992 apa: Paul, A., Baumhögger, E., Elsner, A., Reineke, M., Hueppe, C., Stamminger, R., Hoelscher, H., Wagner, H., Gries, U., Becker, W., & Vrabec, J. (2022). Impact of aging on the energy efficiency of household refrigerating appliances. Applied Thermal Engineering, 205, Article 117992. https://doi.org/10.1016/j.applthermaleng.2021.117992 bibtex: '@article{Paul_Baumhögger_Elsner_Reineke_Hueppe_Stamminger_Hoelscher_Wagner_Gries_Becker_et al._2022, title={Impact of aging on the energy efficiency of household refrigerating appliances}, volume={205}, DOI={10.1016/j.applthermaleng.2021.117992}, number={117992}, journal={Applied Thermal Engineering}, publisher={Elsevier BV}, author={Paul, Andreas and Baumhögger, Elmar and Elsner, Andreas and Reineke, Michael and Hueppe, Christian and Stamminger, Rainer and Hoelscher, Heike and Wagner, Hendrik and Gries, Ulrich and Becker, Wolfgang and et al.}, year={2022} }' chicago: Paul, Andreas, Elmar Baumhögger, Andreas Elsner, Michael Reineke, Christian Hueppe, Rainer Stamminger, Heike Hoelscher, et al. “Impact of Aging on the Energy Efficiency of Household Refrigerating Appliances.” Applied Thermal Engineering 205 (2022). https://doi.org/10.1016/j.applthermaleng.2021.117992. ieee: 'A. Paul et al., “Impact of aging on the energy efficiency of household refrigerating appliances,” Applied Thermal Engineering, vol. 205, Art. no. 117992, 2022, doi: 10.1016/j.applthermaleng.2021.117992.' mla: Paul, Andreas, et al. “Impact of Aging on the Energy Efficiency of Household Refrigerating Appliances.” Applied Thermal Engineering, vol. 205, 117992, Elsevier BV, 2022, doi:10.1016/j.applthermaleng.2021.117992. short: A. Paul, E. Baumhögger, A. Elsner, M. Reineke, C. Hueppe, R. Stamminger, H. Hoelscher, H. Wagner, U. Gries, W. Becker, J. Vrabec, Applied Thermal Engineering 205 (2022). date_created: 2022-01-10T13:35:45Z date_updated: 2023-04-27T11:08:36Z department: - _id: '728' - _id: '155' - _id: '9' doi: 10.1016/j.applthermaleng.2021.117992 intvolume: ' 205' keyword: - Industrial and Manufacturing Engineering - Energy Engineering and Power Technology language: - iso: eng publication: Applied Thermal Engineering publication_identifier: issn: - 1359-4311 publication_status: published publisher: Elsevier BV quality_controlled: '1' status: public title: Impact of aging on the energy efficiency of household refrigerating appliances type: journal_article user_id: '7828' volume: 205 year: '2022' ... --- _id: '33255' article_number: '106881' author: - first_name: Benjamin full_name: Betken, Benjamin last_name: Betken - first_name: Robin full_name: Beckmüller, Robin last_name: Beckmüller - first_name: Muhammad full_name: Ali Javed, Muhammad last_name: Ali Javed - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: Roland full_name: Span, Roland last_name: Span - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec - first_name: Monika full_name: Thol, Monika last_name: Thol citation: ama: Betken B, Beckmüller R, Ali Javed M, et al. Thermodynamic Properties for 1-Hexene – Measurements and Modeling. The Journal of Chemical Thermodynamics. Published online 2022. doi:10.1016/j.jct.2022.106881 apa: Betken, B., Beckmüller, R., Ali Javed, M., Baumhögger, E., Span, R., Vrabec, J., & Thol, M. (2022). Thermodynamic Properties for 1-Hexene – Measurements and Modeling. The Journal of Chemical Thermodynamics, Article 106881. https://doi.org/10.1016/j.jct.2022.106881 bibtex: '@article{Betken_Beckmüller_Ali Javed_Baumhögger_Span_Vrabec_Thol_2022, title={Thermodynamic Properties for 1-Hexene – Measurements and Modeling}, DOI={10.1016/j.jct.2022.106881}, number={106881}, journal={The Journal of Chemical Thermodynamics}, publisher={Elsevier BV}, author={Betken, Benjamin and Beckmüller, Robin and Ali Javed, Muhammad and Baumhögger, Elmar and Span, Roland and Vrabec, Jadran and Thol, Monika}, year={2022} }' chicago: Betken, Benjamin, Robin Beckmüller, Muhammad Ali Javed, Elmar Baumhögger, Roland Span, Jadran Vrabec, and Monika Thol. “Thermodynamic Properties for 1-Hexene – Measurements and Modeling.” The Journal of Chemical Thermodynamics, 2022. https://doi.org/10.1016/j.jct.2022.106881. ieee: 'B. Betken et al., “Thermodynamic Properties for 1-Hexene – Measurements and Modeling,” The Journal of Chemical Thermodynamics, Art. no. 106881, 2022, doi: 10.1016/j.jct.2022.106881.' mla: Betken, Benjamin, et al. “Thermodynamic Properties for 1-Hexene – Measurements and Modeling.” The Journal of Chemical Thermodynamics, 106881, Elsevier BV, 2022, doi:10.1016/j.jct.2022.106881. short: B. Betken, R. Beckmüller, M. Ali Javed, E. Baumhögger, R. Span, J. Vrabec, M. Thol, The Journal of Chemical Thermodynamics (2022). date_created: 2022-09-05T13:42:05Z date_updated: 2023-04-27T11:16:36Z department: - _id: '155' - _id: '728' - _id: '9' doi: 10.1016/j.jct.2022.106881 keyword: - Physical and Theoretical Chemistry - General Materials Science - Atomic and Molecular Physics - and Optics language: - iso: eng publication: The Journal of Chemical Thermodynamics publication_identifier: issn: - 0021-9614 publication_status: published publisher: Elsevier BV quality_controlled: '1' status: public title: Thermodynamic Properties for 1-Hexene – Measurements and Modeling type: journal_article user_id: '15164' year: '2022' ... --- _id: '20925' article_number: '113818' author: - first_name: Wameedh Khider Abbas full_name: Abbas, Wameedh Khider Abbas last_name: Abbas - first_name: Matthias full_name: Linnemann, Matthias last_name: Linnemann - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec citation: ama: Abbas WKA, Linnemann M, Baumhögger E, Vrabec J. Experimental study of two cascaded organic Rankine cycles with varying working fluids. Energy Conversion and Management. 2021. doi:10.1016/j.enconman.2020.113818 apa: Abbas, W. K. A., Linnemann, M., Baumhögger, E., & Vrabec, J. (2021). Experimental study of two cascaded organic Rankine cycles with varying working fluids. Energy Conversion and Management. https://doi.org/10.1016/j.enconman.2020.113818 bibtex: '@article{Abbas_Linnemann_Baumhögger_Vrabec_2021, title={Experimental study of two cascaded organic Rankine cycles with varying working fluids}, DOI={10.1016/j.enconman.2020.113818}, number={113818}, journal={Energy Conversion and Management}, author={Abbas, Wameedh Khider Abbas and Linnemann, Matthias and Baumhögger, Elmar and Vrabec, Jadran}, year={2021} }' chicago: Abbas, Wameedh Khider Abbas, Matthias Linnemann, Elmar Baumhögger, and Jadran Vrabec. “Experimental Study of Two Cascaded Organic Rankine Cycles with Varying Working Fluids.” Energy Conversion and Management, 2021. https://doi.org/10.1016/j.enconman.2020.113818. ieee: W. K. A. Abbas, M. Linnemann, E. Baumhögger, and J. Vrabec, “Experimental study of two cascaded organic Rankine cycles with varying working fluids,” Energy Conversion and Management, 2021. mla: Abbas, Wameedh Khider Abbas, et al. “Experimental Study of Two Cascaded Organic Rankine Cycles with Varying Working Fluids.” Energy Conversion and Management, 113818, 2021, doi:10.1016/j.enconman.2020.113818. short: W.K.A. Abbas, M. Linnemann, E. Baumhögger, J. Vrabec, Energy Conversion and Management (2021). date_created: 2021-01-13T09:21:01Z date_updated: 2022-01-06T06:54:41Z department: - _id: '155' doi: 10.1016/j.enconman.2020.113818 language: - iso: eng publication: Energy Conversion and Management publication_identifier: issn: - 0196-8904 publication_status: published status: public title: Experimental study of two cascaded organic Rankine cycles with varying working fluids type: journal_article user_id: '15164' year: '2021' ... --- _id: '29168' abstract: - lang: eng text: AbstractThe homogeneous density of the liquid phase is experimentally investigated for methyl diethanolamine. Data are obtained along five isotherms in a temperature range between 300 K and 360 K for pressures up to 95 MPa. Two different apparatuses are used to measure the speed of sound for the temperatures between 322 K and 450 K with a maximum pressure of 95 MPa. These measurements and literature data are used to develop a fundamental equation of state for methyl diethanolamine. The model is formulated in terms of the Helmholtz energy and allows for the calculation of all thermodynamic properties in gaseous, liquid, supercritical, and saturation states. The experimental data are represented within their uncertainties. The physical and extrapolation behavior is validated qualitatively to ensure reasonable calculations outside of the range of validity. Based on the experimental datasets, the equation of state is valid for temperatures from 250 K to 750 K and pressures up to 100 MPa. article_number: '10' author: - first_name: Tobias full_name: Neumann, Tobias last_name: Neumann - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: Roland full_name: Span, Roland last_name: Span - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec - first_name: Monika full_name: Thol, Monika last_name: Thol citation: ama: Neumann T, Baumhögger E, Span R, Vrabec J, Thol M. Thermodynamic Properties of Methyl Diethanolamine. International Journal of Thermophysics. 2021;43(1). doi:10.1007/s10765-021-02933-7 apa: Neumann, T., Baumhögger, E., Span, R., Vrabec, J., & Thol, M. (2021). Thermodynamic Properties of Methyl Diethanolamine. International Journal of Thermophysics, 43(1), Article 10. https://doi.org/10.1007/s10765-021-02933-7 bibtex: '@article{Neumann_Baumhögger_Span_Vrabec_Thol_2021, title={Thermodynamic Properties of Methyl Diethanolamine}, volume={43}, DOI={10.1007/s10765-021-02933-7}, number={110}, journal={International Journal of Thermophysics}, publisher={Springer Science and Business Media LLC}, author={Neumann, Tobias and Baumhögger, Elmar and Span, Roland and Vrabec, Jadran and Thol, Monika}, year={2021} }' chicago: Neumann, Tobias, Elmar Baumhögger, Roland Span, Jadran Vrabec, and Monika Thol. “Thermodynamic Properties of Methyl Diethanolamine.” International Journal of Thermophysics 43, no. 1 (2021). https://doi.org/10.1007/s10765-021-02933-7. ieee: 'T. Neumann, E. Baumhögger, R. Span, J. Vrabec, and M. Thol, “Thermodynamic Properties of Methyl Diethanolamine,” International Journal of Thermophysics, vol. 43, no. 1, Art. no. 10, 2021, doi: 10.1007/s10765-021-02933-7.' mla: Neumann, Tobias, et al. “Thermodynamic Properties of Methyl Diethanolamine.” International Journal of Thermophysics, vol. 43, no. 1, 10, Springer Science and Business Media LLC, 2021, doi:10.1007/s10765-021-02933-7. short: T. Neumann, E. Baumhögger, R. Span, J. Vrabec, M. Thol, International Journal of Thermophysics 43 (2021). date_created: 2022-01-06T09:44:07Z date_updated: 2022-01-06T09:45:32Z department: - _id: '155' doi: 10.1007/s10765-021-02933-7 intvolume: ' 43' issue: '1' keyword: - Condensed Matter Physics language: - iso: eng publication: International Journal of Thermophysics publication_identifier: issn: - 0195-928X - 1572-9567 publication_status: published publisher: Springer Science and Business Media LLC status: public title: Thermodynamic Properties of Methyl Diethanolamine type: journal_article user_id: '15164' volume: 43 year: '2021' ... --- _id: '22925' article_number: '109919' author: - first_name: Leander full_name: Claes, Leander id: '11829' last_name: Claes orcid: 0000-0002-4393-268X - first_name: René Spencer full_name: Chatwell, René Spencer last_name: Chatwell - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: Tim full_name: Hetkämper, Tim id: '38123' last_name: Hetkämper - first_name: Henning full_name: Zeipert, Henning id: '32580' last_name: Zeipert - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec - first_name: Bernd full_name: Henning, Bernd id: '213' last_name: Henning citation: ama: Claes L, Chatwell RS, Baumhögger E, et al. Measurement procedure for acoustic absorption and bulk viscosity of liquids. Measurement. Published online 2021. doi:10.1016/j.measurement.2021.109919 apa: Claes, L., Chatwell, R. S., Baumhögger, E., Hetkämper, T., Zeipert, H., Vrabec, J., & Henning, B. (2021). Measurement procedure for acoustic absorption and bulk viscosity of liquids. Measurement, Article 109919. https://doi.org/10.1016/j.measurement.2021.109919 bibtex: '@article{Claes_Chatwell_Baumhögger_Hetkämper_Zeipert_Vrabec_Henning_2021, title={Measurement procedure for acoustic absorption and bulk viscosity of liquids}, DOI={10.1016/j.measurement.2021.109919}, number={109919}, journal={Measurement}, author={Claes, Leander and Chatwell, René Spencer and Baumhögger, Elmar and Hetkämper, Tim and Zeipert, Henning and Vrabec, Jadran and Henning, Bernd}, year={2021} }' chicago: Claes, Leander, René Spencer Chatwell, Elmar Baumhögger, Tim Hetkämper, Henning Zeipert, Jadran Vrabec, and Bernd Henning. “Measurement Procedure for Acoustic Absorption and Bulk Viscosity of Liquids.” Measurement, 2021. https://doi.org/10.1016/j.measurement.2021.109919. ieee: 'L. Claes et al., “Measurement procedure for acoustic absorption and bulk viscosity of liquids,” Measurement, Art. no. 109919, 2021, doi: 10.1016/j.measurement.2021.109919.' mla: Claes, Leander, et al. “Measurement Procedure for Acoustic Absorption and Bulk Viscosity of Liquids.” Measurement, 109919, 2021, doi:10.1016/j.measurement.2021.109919. short: L. Claes, R.S. Chatwell, E. Baumhögger, T. Hetkämper, H. Zeipert, J. Vrabec, B. Henning, Measurement (2021). date_created: 2021-08-02T13:42:06Z date_updated: 2022-04-26T09:01:07Z department: - _id: '49' - _id: '155' doi: 10.1016/j.measurement.2021.109919 language: - iso: eng project: - _id: '52' name: Computing Resources Provided by the Paderborn Center for Parallel Computing publication: Measurement publication_identifier: issn: - 0263-2241 publication_status: published status: public title: Measurement procedure for acoustic absorption and bulk viscosity of liquids type: journal_article user_id: '15164' year: '2021' ... --- _id: '42141' author: - first_name: Gerrit full_name: Sonnenrein, Gerrit last_name: Sonnenrein citation: ama: Sonnenrein G. Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien.; 2021. apa: Sonnenrein, G. (2021). Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien. bibtex: '@book{Sonnenrein_2021, title={Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien}, author={Sonnenrein, Gerrit}, year={2021} }' chicago: Sonnenrein, Gerrit. Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien, 2021. ieee: G. Sonnenrein, Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien. 2021. mla: Sonnenrein, Gerrit. Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien. 2021. short: G. Sonnenrein, Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien, 2021. date_created: 2023-02-15T09:16:17Z date_updated: 2023-02-15T09:16:25Z department: - _id: '155' extern: '1' language: - iso: ger status: public supervisor: - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec title: Effizienzsteigerung von Haushaltskühlgeräten durch polymergebundene Phasenwechselmaterialien type: dissertation user_id: '15324' year: '2021' ... --- _id: '20921' abstract: - lang: eng text: The increase of the thermal conductivity of PUR foam in the insulation of the cabinet is an important cause for aging processes of household refrigerating appliances. To determine the influence of the PUR foam aging on energy consumption, the development of a new measurement method is necessary be- cause current methods influence the aging behavior of household refrigerators and are therefore not applicable in general. Based on a latent heat sink, constructed as an ice water bucket, a new measure- ment method is developed to determine the k ·A value over time. With this method, the k ·A value of four household refrigerating appliances was determined over an interval of 14 months. The k ·A value increased between 3.6% and 11.5% during this period. author: - first_name: Andreas full_name: Paul, Andreas id: '7828' last_name: Paul - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: Andreas full_name: Elsner, Andreas id: '16124' last_name: Elsner - first_name: Lukas full_name: Moczarski, Lukas last_name: Moczarski - first_name: Michael full_name: Reineke, Michael id: '24603' last_name: Reineke - first_name: Gerrit full_name: Sonnenrein, Gerrit last_name: Sonnenrein - first_name: Christian full_name: Hueppe, Christian last_name: Hueppe - first_name: Rainer full_name: Stamminger, Rainer last_name: Stamminger - first_name: Heike full_name: Hoelscher, Heike last_name: Hoelscher - first_name: Hendrik full_name: Wagner, Hendrik last_name: Wagner - first_name: Ulrich full_name: Gries, Ulrich last_name: Gries - first_name: Alfred full_name: Freiberger, Alfred last_name: Freiberger - first_name: Wolfgang full_name: Becker, Wolfgang last_name: Becker - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec citation: ama: Paul A, Baumhögger E, Elsner A, et al. Determining the heat flow through the cabinet walls of household refrigerating appliances. International Journal of Refrigeration. Published online 2021:235-242. doi:10.1016/j.ijrefrig.2020.10.007 apa: Paul, A., Baumhögger, E., Elsner, A., Moczarski, L., Reineke, M., Sonnenrein, G., Hueppe, C., Stamminger, R., Hoelscher, H., Wagner, H., Gries, U., Freiberger, A., Becker, W., & Vrabec, J. (2021). Determining the heat flow through the cabinet walls of household refrigerating appliances. International Journal of Refrigeration, 235–242. https://doi.org/10.1016/j.ijrefrig.2020.10.007 bibtex: '@article{Paul_Baumhögger_Elsner_Moczarski_Reineke_Sonnenrein_Hueppe_Stamminger_Hoelscher_Wagner_et al._2021, title={Determining the heat flow through the cabinet walls of household refrigerating appliances}, DOI={10.1016/j.ijrefrig.2020.10.007}, journal={International Journal of Refrigeration}, author={Paul, Andreas and Baumhögger, Elmar and Elsner, Andreas and Moczarski, Lukas and Reineke, Michael and Sonnenrein, Gerrit and Hueppe, Christian and Stamminger, Rainer and Hoelscher, Heike and Wagner, Hendrik and et al.}, year={2021}, pages={235–242} }' chicago: Paul, Andreas, Elmar Baumhögger, Andreas Elsner, Lukas Moczarski, Michael Reineke, Gerrit Sonnenrein, Christian Hueppe, et al. “Determining the Heat Flow through the Cabinet Walls of Household Refrigerating Appliances.” International Journal of Refrigeration, 2021, 235–42. https://doi.org/10.1016/j.ijrefrig.2020.10.007. ieee: 'A. Paul et al., “Determining the heat flow through the cabinet walls of household refrigerating appliances,” International Journal of Refrigeration, pp. 235–242, 2021, doi: 10.1016/j.ijrefrig.2020.10.007.' mla: Paul, Andreas, et al. “Determining the Heat Flow through the Cabinet Walls of Household Refrigerating Appliances.” International Journal of Refrigeration, 2021, pp. 235–42, doi:10.1016/j.ijrefrig.2020.10.007. short: A. Paul, E. Baumhögger, A. Elsner, L. Moczarski, M. Reineke, G. Sonnenrein, C. Hueppe, R. Stamminger, H. Hoelscher, H. Wagner, U. Gries, A. Freiberger, W. Becker, J. Vrabec, International Journal of Refrigeration (2021) 235–242. date_created: 2021-01-13T09:12:09Z date_updated: 2023-04-27T11:09:45Z department: - _id: '728' - _id: '155' - _id: '393' - _id: '9' doi: 10.1016/j.ijrefrig.2020.10.007 language: - iso: eng page: 235-242 publication: International Journal of Refrigeration publication_identifier: issn: - 0140-7007 publication_status: published quality_controlled: '1' status: public title: Determining the heat flow through the cabinet walls of household refrigerating appliances type: journal_article user_id: '7828' year: '2021' ... --- _id: '17589' author: - first_name: G. full_name: Sonnenrein, G. last_name: Sonnenrein - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: A. full_name: Elsner, A. last_name: Elsner - first_name: A. full_name: Morbach, A. last_name: Morbach - first_name: M. full_name: Neukötter, M. last_name: Neukötter - first_name: A. full_name: Paul, A. last_name: Paul - first_name: J. full_name: Vrabec, J. last_name: Vrabec citation: ama: Sonnenrein G, Baumhögger E, Elsner A, et al. Improving the performance of household refrigerating appliances through the integration of phase change materials in the context of the new global refrigerator standard IEC 62552:2015. International Journal of Refrigeration. 2020. doi:10.1016/j.ijrefrig.2020.07.025 apa: Sonnenrein, G., Baumhögger, E., Elsner, A., Morbach, A., Neukötter, M., Paul, A., & Vrabec, J. (2020). Improving the performance of household refrigerating appliances through the integration of phase change materials in the context of the new global refrigerator standard IEC 62552:2015. International Journal of Refrigeration. https://doi.org/10.1016/j.ijrefrig.2020.07.025 bibtex: '@article{Sonnenrein_Baumhögger_Elsner_Morbach_Neukötter_Paul_Vrabec_2020, title={Improving the performance of household refrigerating appliances through the integration of phase change materials in the context of the new global refrigerator standard IEC 62552:2015}, DOI={10.1016/j.ijrefrig.2020.07.025}, journal={International Journal of Refrigeration}, author={Sonnenrein, G. and Baumhögger, Elmar and Elsner, A. and Morbach, A. and Neukötter, M. and Paul, A. and Vrabec, J.}, year={2020} }' chicago: Sonnenrein, G., Elmar Baumhögger, A. Elsner, A. Morbach, M. Neukötter, A. Paul, and J. Vrabec. “Improving the Performance of Household Refrigerating Appliances through the Integration of Phase Change Materials in the Context of the New Global Refrigerator Standard IEC 62552:2015.” International Journal of Refrigeration, 2020. https://doi.org/10.1016/j.ijrefrig.2020.07.025. ieee: G. Sonnenrein et al., “Improving the performance of household refrigerating appliances through the integration of phase change materials in the context of the new global refrigerator standard IEC 62552:2015,” International Journal of Refrigeration, 2020. mla: Sonnenrein, G., et al. “Improving the Performance of Household Refrigerating Appliances through the Integration of Phase Change Materials in the Context of the New Global Refrigerator Standard IEC 62552:2015.” International Journal of Refrigeration, 2020, doi:10.1016/j.ijrefrig.2020.07.025. short: G. Sonnenrein, E. Baumhögger, A. Elsner, A. Morbach, M. Neukötter, A. Paul, J. Vrabec, International Journal of Refrigeration (2020). date_created: 2020-08-04T13:57:51Z date_updated: 2022-01-06T06:53:15Z department: - _id: '155' doi: 10.1016/j.ijrefrig.2020.07.025 language: - iso: eng publication: International Journal of Refrigeration publication_identifier: issn: - 0140-7007 publication_status: published status: public title: Improving the performance of household refrigerating appliances through the integration of phase change materials in the context of the new global refrigerator standard IEC 62552:2015 type: journal_article user_id: '15164' year: '2020' ... --- _id: '16848' author: - first_name: Muhammad Ali full_name: Javed, Muhammad Ali last_name: Javed - first_name: Moritz full_name: Rüther, Moritz last_name: Rüther - first_name: Elmar full_name: Baumhögger, Elmar id: '15164' last_name: Baumhögger - first_name: Jadran full_name: Vrabec, Jadran last_name: Vrabec citation: ama: Javed MA, Rüther M, Baumhögger E, Vrabec J. Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride. Journal of Chemical & Engineering Data. 2020. doi:10.1021/acs.jced.9b01133 apa: Javed, M. A., Rüther, M., Baumhögger, E., & Vrabec, J. (2020). Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride. Journal of Chemical & Engineering Data. https://doi.org/10.1021/acs.jced.9b01133 bibtex: '@article{Javed_Rüther_Baumhögger_Vrabec_2020, title={Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride}, DOI={10.1021/acs.jced.9b01133}, journal={Journal of Chemical & Engineering Data}, author={Javed, Muhammad Ali and Rüther, Moritz and Baumhögger, Elmar and Vrabec, Jadran}, year={2020} }' chicago: Javed, Muhammad Ali, Moritz Rüther, Elmar Baumhögger, and Jadran Vrabec. “Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride.” Journal of Chemical & Engineering Data, 2020. https://doi.org/10.1021/acs.jced.9b01133. ieee: M. A. Javed, M. Rüther, E. Baumhögger, and J. Vrabec, “Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride,” Journal of Chemical & Engineering Data, 2020. mla: Javed, Muhammad Ali, et al. “Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride.” Journal of Chemical & Engineering Data, 2020, doi:10.1021/acs.jced.9b01133. short: M.A. Javed, M. Rüther, E. Baumhögger, J. Vrabec, Journal of Chemical & Engineering Data (2020). date_created: 2020-04-24T07:25:48Z date_updated: 2022-01-06T06:52:57Z department: - _id: '155' doi: 10.1021/acs.jced.9b01133 language: - iso: eng publication: Journal of Chemical & Engineering Data publication_identifier: issn: - 0021-9568 - 1520-5134 publication_status: published status: public title: Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride type: journal_article user_id: '15164' year: '2020' ...