CFD Parametric Studies for Global Performance Improvement of Open Refrigerated Display Cabinets

Table 5

Thermal and temperature ratios relatively to BSC—fans velocity parametric study.

	Case study
	OPTv1	OPTv2	OPTv3	OPTv4	OPTv5
TEF	+2.8%	+3.5%	+0.6 %	−0.4%	0.9%
(𝑄̇OPTv−𝑄̇BCS)/𝑄̇BCStotal,sen	+12.0%	+33.2%	−16.3 %	−8.0%	−13.5%
(𝑄̇OPTv−𝑄̇BCS)/𝑄̇BCStotal,lat	+10.4%	+40.3%	−18.0 %	−9.1%	−14.1%
(𝑇OPTv−𝑇BCS)/𝑇BCSdischarge	−0.7%	−6.1%	−20.3 %	+2.1%	−9.2%
(𝑇OPTv−𝑇BCS)/𝑇BCSreturn	+2.1%	−1.3%	−4.7 %	+0.8%	−1.8%
(𝑇OPTv−𝑇BCS)/𝑇BCScons	+12.1%	−40.5%	−43.4 %	−0.4%	−26.3%
(𝑇OPTv−𝑇BCS)/𝑇BCSprod	−5.0%	−4.5%	−7.6 %	−5.2%	−7.6%