Prediction of the energy consumption of household refrigerators and freezers via steady-state simulation
A simplified model to assess the energy performance of vapor compression ‘on–off’ controlled refrigerators is presented herein. The model consists of first-principles algebraic equations adjusted with experimental information obtained from the refrigeration system under study. The experimental work...
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| Veröffentlicht in: | Applied energy 2009-08, Vol.86 (7), p.1311-1319 |
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| creator | Hermes, Christian J.L. Melo, Cláudio Knabben, Fernando T. Gonçalves, Joaquim M. |
| description | A simplified model to assess the energy performance of vapor compression ‘on–off’ controlled refrigerators is presented herein. The model consists of first-principles algebraic equations adjusted with experimental information obtained from the refrigeration system under study. The experimental work consisted of controlling and measuring the system and component operating conditions in order to gather key information for the development and validation of the model. The methodology showed similar accuracy to that using more sophisticated dynamic simulation codes, but with lower computational costs. When compared to experimental data, the model predicted AHAM energy consumption tests within a ±5% deviation band. A sensitivity analysis considering the number of tube rows in the condenser coil, the number of fins in the evaporator coil and the compressor stroke is also reported. The refrigeration system under study was a top-mount ‘Combi’ 600-l refrigerator, ‘on–off’ controlled by the temperature of the fresh-food compartment. |
| doi_str_mv | 10.1016/j.apenergy.2008.10.008 |
| format | Article |
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The model consists of first-principles algebraic equations adjusted with experimental information obtained from the refrigeration system under study. The experimental work consisted of controlling and measuring the system and component operating conditions in order to gather key information for the development and validation of the model. The methodology showed similar accuracy to that using more sophisticated dynamic simulation codes, but with lower computational costs. When compared to experimental data, the model predicted AHAM energy consumption tests within a ±5% deviation band. A sensitivity analysis considering the number of tube rows in the condenser coil, the number of fins in the evaporator coil and the compressor stroke is also reported. 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Food conservation ; Refrigeration ; Refrigerators ; Sensitivity analysis ; Techniques. Materials</subject><ispartof>Applied energy, 2009-08, Vol.86 (7), p.1311-1319</ispartof><rights>2008 Elsevier Ltd</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c478t-bbf84e47ca06d1636d1937726db027a0f26f96dc8eb92770aa2e501b7df5ccb63</citedby><cites>FETCH-LOGICAL-c478t-bbf84e47ca06d1636d1937726db027a0f26f96dc8eb92770aa2e501b7df5ccb63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apenergy.2008.10.008$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4008,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21310101$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttp://econpapers.repec.org/article/eeeappene/v_3a86_3ay_3a2009_3ai_3a7-8_3ap_3a1311-1319.htm$$DView record in RePEc$$Hfree_for_read</backlink></links><search><creatorcontrib>Hermes, Christian J.L.</creatorcontrib><creatorcontrib>Melo, Cláudio</creatorcontrib><creatorcontrib>Knabben, Fernando T.</creatorcontrib><creatorcontrib>Gonçalves, Joaquim M.</creatorcontrib><title>Prediction of the energy consumption of household refrigerators and freezers via steady-state simulation</title><title>Applied energy</title><description>A simplified model to assess the energy performance of vapor compression ‘on–off’ controlled refrigerators is presented herein. The model consists of first-principles algebraic equations adjusted with experimental information obtained from the refrigeration system under study. The experimental work consisted of controlling and measuring the system and component operating conditions in order to gather key information for the development and validation of the model. The methodology showed similar accuracy to that using more sophisticated dynamic simulation codes, but with lower computational costs. When compared to experimental data, the model predicted AHAM energy consumption tests within a ±5% deviation band. A sensitivity analysis considering the number of tube rows in the condenser coil, the number of fins in the evaporator coil and the compressor stroke is also reported. The refrigeration system under study was a top-mount ‘Combi’ 600-l refrigerator, ‘on–off’ controlled by the temperature of the fresh-food compartment.</description><subject>Applied sciences</subject><subject>Coiling</subject><subject>Computer simulation</subject><subject>Domestic refrigerators</subject><subject>Domestic refrigerators Energy consumption Numerical simulation Experimental validation Sensitivity analysis</subject><subject>Dynamical systems</subject><subject>Dynamics</subject><subject>Economic data</subject><subject>Electric energy</subject><subject>Energy</subject><subject>Energy consumption</subject><subject>Energy economics</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Experimental validation</subject><subject>General, economic and professional studies</subject><subject>Mathematical models</subject><subject>Numerical simulation</subject><subject>Refrigerating engineering</subject><subject>Refrigerating engineering. Cryogenics. Food conservation</subject><subject>Refrigeration</subject><subject>Refrigerators</subject><subject>Sensitivity analysis</subject><subject>Techniques. 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Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Experimental validation</topic><topic>General, economic and professional studies</topic><topic>Mathematical models</topic><topic>Numerical simulation</topic><topic>Refrigerating engineering</topic><topic>Refrigerating engineering. Cryogenics. Food conservation</topic><topic>Refrigeration</topic><topic>Refrigerators</topic><topic>Sensitivity analysis</topic><topic>Techniques. Materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hermes, Christian J.L.</creatorcontrib><creatorcontrib>Melo, Cláudio</creatorcontrib><creatorcontrib>Knabben, Fernando T.</creatorcontrib><creatorcontrib>Gonçalves, Joaquim M.</creatorcontrib><collection>Pascal-Francis</collection><collection>RePEc IDEAS</collection><collection>RePEc</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Materials Business File</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Environment Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Applied energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hermes, Christian J.L.</au><au>Melo, Cláudio</au><au>Knabben, Fernando T.</au><au>Gonçalves, Joaquim M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prediction of the energy consumption of household refrigerators and freezers via steady-state simulation</atitle><jtitle>Applied energy</jtitle><date>2009-08-01</date><risdate>2009</risdate><volume>86</volume><issue>7</issue><spage>1311</spage><epage>1319</epage><pages>1311-1319</pages><issn>0306-2619</issn><eissn>1872-9118</eissn><coden>APENDX</coden><abstract>A simplified model to assess the energy performance of vapor compression ‘on–off’ controlled refrigerators is presented herein. The model consists of first-principles algebraic equations adjusted with experimental information obtained from the refrigeration system under study. The experimental work consisted of controlling and measuring the system and component operating conditions in order to gather key information for the development and validation of the model. The methodology showed similar accuracy to that using more sophisticated dynamic simulation codes, but with lower computational costs. When compared to experimental data, the model predicted AHAM energy consumption tests within a ±5% deviation band. A sensitivity analysis considering the number of tube rows in the condenser coil, the number of fins in the evaporator coil and the compressor stroke is also reported. The refrigeration system under study was a top-mount ‘Combi’ 600-l refrigerator, ‘on–off’ controlled by the temperature of the fresh-food compartment.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.apenergy.2008.10.008</doi><tpages>9</tpages></addata></record> |
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| ispartof | Applied energy, 2009-08, Vol.86 (7), p.1311-1319 |
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| source | RePEc; Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Coiling Computer simulation Domestic refrigerators Domestic refrigerators Energy consumption Numerical simulation Experimental validation Sensitivity analysis Dynamical systems Dynamics Economic data Electric energy Energy Energy consumption Energy economics Energy. Thermal use of fuels Exact sciences and technology Experimental validation General, economic and professional studies Mathematical models Numerical simulation Refrigerating engineering Refrigerating engineering. Cryogenics. Food conservation Refrigeration Refrigerators Sensitivity analysis Techniques. Materials |
| title | Prediction of the energy consumption of household refrigerators and freezers via steady-state simulation |
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