Experimental and Numerical Analysis of a PCM-Supported ...
Experimental and Numerical Analysis of a PCM-Supported ...
Experimental and Numerical Analysis of a PCM-Supported ...
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m Mass flow rate; [kg.s -1 ]<br />
m evap Evaporation rate; [mol.s -1 ]<br />
m cond Condensation rate; [mol.s -1 ]<br />
N Evaporative mass flux; [mol.m -2 .s -1 ]<br />
<br />
n Evaporative mass flux; [mol.m -2 .s -1 ]<br />
Nu Nusselt number, dimensionless [= h L st /k]<br />
NTU Number <strong>of</strong> transfer units<br />
P& p Pressure; [N.m -2 ]<br />
Pr<br />
Pr<strong>and</strong>tl number; dimensionless [μC p /k]<br />
Pe Péclet number; dimensionless<br />
Q<br />
Amount <strong>of</strong> heat transfer; [J]<br />
Q<br />
Heat flow; [W]<br />
q" Heat flux; [W.m -2 ]<br />
R universal gas constant; [8.314 J.mol -1 .K -1 ]<br />
r c<br />
Brine concentration factor; dimensionless<br />
Re Reynolds number; dimensionless [v D/ ν]<br />
Re o Superficial Reynolds number; dimensionless [= V d/ ν]<br />
Sh Sherwood number; dimensionless [= K L st /D]<br />
S<br />
Saturation<br />
S<br />
Shape factor<br />
Ste Stefan number, dimensionless<br />
T<br />
Temperature; [K]<br />
T a<br />
Ambient temperature; [K]<br />
T g_in Inlet gas temperature (evaporator or condenser); [K]<br />
T g_out Outlet gas temperature (evaporator or condenser); [K]<br />
T a1 Bottom air temperature; [K]<br />
T a2 Top air temperature; [K]<br />
T l_in Inlet water temperature (evaporator or condenser); [K]<br />
T l_out Outlet water temperature (evaporator or condenser); [K]<br />
T w1 Outlet brine water temperature from the evaporator; [K]<br />
T w2 Inlet hot water temperature to the evaporator; [K]<br />
T w3 Inlet cooling water temperature to the condenser; [K]<br />
T w4 Outlet cooling water temperature from the condenser; [K]<br />
T m Melting temperature; [K]<br />
T pcm1 Surface (wall) temperature <strong>of</strong> phase change material cell; [K]<br />
T 1 Initial temperature; [K]<br />
T 2 Final temperature; [K]<br />
t<br />
Time; [sec]<br />
ΔP Pressure drop ; [N.m -2 ]<br />
ΔT Temperature difference; [K]<br />
ΔT m , ΔT t Half width <strong>of</strong> melting temperatures range; [K]<br />
ΔT LM Logarithmic mean temperatures difference; [-]<br />
xiv