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According to ANSI/ASHRAE STD 117-1192, an 8-hour door opening experiment was carried out on an on-load refrigerated display cabinet with vacuum-glazed doors. Initially, the temperature fluctuation was little, while there was an apparent temperature rise 5 hours later. Energy consumption increased by 28%, compared with stable conditions. The results strongly suggest that temperature fluctuation and energy consumption are greatly affected by cold jet, followed by infiltration. Furthermore, the outlet air temperature is vital to temperature fluctuation and energy consumption. Temperature fluctuation attributes much to its turning point, and its initial drop-off amplitude is of significance to energy consumption.
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Pages: ICR07-D1-1486
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Details
- Original title: Influence of door openings on temperature fluctuation and energy consumption of refrigerated display cabinet.
- Record ID : 2007-2116
- Languages: English
- Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
- Publication date: 2007/08/21
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Indexing
- Themes: Supermarkets, display cabinets
- Keywords: Opening; Energy consumption; Closed cabinet; Display cabinet; Temperature; Door; Expérimentation
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- Author(s) : LINDBERG U., AXELL M., FAHLÉN P.
- Date : 2010/03/29
- Languages : English
- Source: 1st IIR International Conference on Sustainability and the Cold Chain
- Formats : PDF
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CFD assisted design of closed display cabinets.
- Author(s) : ORLANDI M., VISCONTI F. M., ZAMPINI S.
- Date : 2013/04/02
- Languages : English
- Source: 2nd IIR International Conference on Sustainability and the Cold Chain. Proceedings: Paris, France, April 2-4, 2013.
- Formats : PDF
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Energy use of doored and open vertical refriger...
- Author(s) : FRICKE B., BECKER G.
- Date : 2010/07/12
- Languages : English
- Source: 2010 Purdue Conferences. 13th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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A model for self-contained solid door refrigera...
- Author(s) : LOVE R. J., CLELAND D. J.
- Date : 2007/01/27
- Languages : English
- Source: ASHRAE Transactions. 2007 Winter Meeting. Volume 113, part 1 + CD-ROM.
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Numerical simulation of glass doors defogging i...
- Author(s) : D'AGARO P., CROCE G., CORTELLA G.
- Date : 2005/08/30
- Languages : English
- Source: Commercial Refrigeration. Thermophysical Properties and Transfer Processes of Refrigerants. Proceedings of the IIR International Conferences.
- Formats : PDF
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