A multi-scale approach for refrigerated display cabinet coupled with supermarket HVAC system-Part II: The performance of VORDC and energy consumption analysis. (August 2015)

• Record Type: Journal Article
• Authors: Wu, XueHong; Chang, ZhiJuan; Zhao, XingLi; Li, WeiPing; Lu, YanLi; Yuan, Pei
• Is Part Of: International journal of heat and mass transfer. Volume 87(2015:Aug.)
• Page Start: 685
• Page End: 692
• Publication Date: 2015-08
• Subjects: System performance -- Energy consumption -- Multi-scale approach -- HVAC -- VORDC; Heat -- Transmission -- Periodicals; Mass transfer -- Periodicals; Chaleur -- Transmission -- Périodiques; Transfert de masse -- Périodiques; Electronic journals; 621.4022
• DOI: 10.1016/j.ijheatmasstransfer.2015.04.003
• Languages: English
• ISSNs: 0017-9310

Abstract

Abstract: A multi-scale approach has been formulated in a previous work. The influence of HVAC system in supermarket on the performance of vertical open refrigerated display cabinet (VORDC) is considered. The influence is evaluated by varying the supply air temperature and velocity at the diffusers of HVAC. The computational results show that there is a direct interaction between the HVAC system and VORDC in supermarket. When the supply air temperature of HVAC system decreases from 19 °C to 16 °C, the electricity energy input in VORDC system decreases by 6.36%, and the highest products temperature is reduced by 0.18 °C. When the diffuser supply air velocity of HVAC system increases from 2.0 m/s to 3.5 m/s, the energy input in VORDC system decreases by 23.4%, and the highest product temperature reduces by 0.4 °C.