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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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Vertical display cabinets without and with door...
- 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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Vertical display cabinets with doors: influence...
- Author(s) : LINDBERG U., AXELL M., FAHLÉN P.
- Date : 2010/06/13
- Languages : English
- Source: IIR/Eurotherm sustainable refrigeration and heat pump technology conference. Proceedings of the Eurotherm Seminar No. 88, Stockholm, Sweden, June 13-16, 2010.
- 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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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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Diseño asistido por CFD de expositores refriger...
- Author(s) : ORLANDI M., VISCONTI F. M., ZAMPINI S.
- Date : 2014/04
- Languages : Spanish
- Source: Frío Calor Aire acondicionado - n. 468
- Formats : PDF
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