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

Table 6

Parameters specified at PBP boundary conditions—OPTp case study.

Case	Parameter designation	Variable	Unit	PBP height, 𝑧 [%]
				[040]	[4060]	[60100]
BCS	Diameter	𝐷hole	[mm]		4.25
	Porosity	𝜀	[%]		2.6
	Viscous resist. coef.	𝑘^−1	[m^−2]		2.56 × 10^7
	Inertial resist. coef.	𝐶2	[m^−1]		2.49 × 10^9
OPTp1	Diameter	𝐷hole	[mm]		8.50
	Porosity	𝜀	[%]		10.45
	Viscous resist. coef.	𝑘^−1	[m^−2]		1.59 × 10^6
	Inertial resist. coef.	𝐶2	[m^−1]		8.42 × 10^6
OPTp2	Diameter	𝐷hole	[mm]	8.50		4.25
	Porosity	𝜀	[%]	10.84		2.55
	Viscous resist. coef.	𝑘^−1	[m^−2]	1.53 × 10^6		2.61 × 10^7
	Inertial resist. coef.	𝐶2	[m^−1]	7.23 × 10^6		2.74 × 10^9
OPTp3	Diameter	𝐷hole	[mm]	4.25	8.50
	Porosity	𝜀	[%]	2.65	10.14
	Viscous resist. coef.	𝑘^−1	[m^−2]	2.51 × 10^7	1.64 × 10^6
	Inertial resist. coef.	𝐶2	[m^−1]	2.35 × 10^9	9.54 × 10^6