Computational Fluid Dynamics-Based Simulation of Crop Canopy Temperature and Humidity in Double-Film Solar Greenhouse

Table 2

Boundary condition parameters.

Material	Density (kg m^−3)	Thermal conductivity (W m^−1 K^−1)	Specific heat capacity (J kg^−1 K^−1)	Absorption rate (%)	Refractive index (%)
Plastic film	420	0.14	1380	0.1	7.5
Curtain	650	0.09	2512	0.9	—
Wall	1860	0.56	1240	0.9	—
Soil	1700	0.9	2010	0.9	—
Cement	2100	1.3	880	0.9
Air	1.29	0.023	1007	—	1
Celery	1070	0.3	2800	0.9	—