Thermal Storage Capacity and Night Ventilation Performance of a Solar Chimney Combined with Different PCMs

Table 2

Initial conditions for numerical modelling.

Item	Value	Item	Value	Item	Value
αg	0.06	Kw2, Wm^−1 K^−1	0.028	, m^2 s^−1	19.5 × 10^−6
αw	0.94	ρg, kgm^−3	2526	Uw, Wm^−2 K^−1	26
τg	0.84	ρw, kgm^−3	2730	hi, Wm^−2 K^−1	4.55
σ, Wm^−2 K^−4	5.67 × 10^−8	ρp, kgm^−3	1007	Aout, m^2	0.2
λa	0.028	Cg, Jkg^−1 K^−1	837	Ain, m^2	0.2
δa, m	0.3	Cw, Jkg^−1 K^−1	880	νm, m^2 s^−1	17.5 × 10^−6
Δw1, m	0.3	Vg, m^3	0.012	Pr	0.7
Δw2, m	0.03	Vw, m^3	0.003	C	0.57