Fig. 1 Room with seated persons and a double-channel SC at the roof More about this image found in Room with seated persons and a double-channel SC at the roof

Fig. 2 Computational mesh: ( a ) plane x = 0.5 m and ( b ) plane z = 0.2 m More about this image found in Computational mesh: ( a ) plane x = 0.5 m and ( b ) plane z = 0.2 m

Fig. 3 Comparison between experimental points and numerical profiles at the same position: ( a ) with the influence of a hot wall and (Ra wall = 2.52 × 10 11 and Ra chimney = 1.22 × 10 11 ) and ( b ) without a hot wall (Ra wall = 0, Ra chimney = 1.22 × 10 11 ) More about this image found in Comparison between experimental points and numerical profiles at the same p...

Fig. 4 Numerical results for case 1 (Ra chimney = 2.38 × 10 12 ): ( a ) isometric view of temperature contours, ( b ) isometric view of streamlines, and ( c ) isometric view of draught rate (%) contours More about this image found in Numerical results for case 1 (Ra chimney = 2.38 × 10 12 ): ( a ) isometric...

Fig. 5 Numerical results for case 4 (Ra wall = 1.34 × 10 13 and Ra chimney = 8.80 × 10 11 ): ( a ) isometric view of temperature contours, ( b ) isometric view of streamlines, and ( c ) isometric view of draught rate (%) contours More about this image found in Numerical results for case 4 (Ra wall = 1.34 × 10 13 and Ra chimney = 8....

Fig. 6 Numerical results for case 4 (Ra wall = 1.34 × 10 13 and Ra chimney = 2.38 × 10 12 ): ( a ) isometric view of temperature contours, ( b ) isometric view of streamlines, and ( c ) isometric view of draught rate (%) contours More about this image found in Numerical results for case 4 (Ra wall = 1.34 × 10 13 and Ra chimney = 2....

Fig. 1 Schematics of ( a ) the natural convection solar dryer and ( b ) the dryer with optimum tilt angle More about this image found in Schematics of ( a ) the natural convection solar dryer and ( b ) the dryer ...

Fig. 2 Prototype of the natural convection solar dryer [ 26 ] More about this image found in Prototype of the natural convection solar dryer [ 26 ]

Fig. 3 An optimum inclination angle of the collector at the test location using solar constant 1.361, latitude ( ϕ ) 23.18 E and longitude 79.94 N, and standard meridian of longitude 82.5 More about this image found in An optimum inclination angle of the collector at the test location using so...

Fig. 4 Variation in the solar radiation during the drying period at horizontal, latitude angle (23.18 deg), and optimum tilt angle (36.53 deg) position on February (location—latitude ( ϕ ) 23.18 E and longitude 79.94 N; time—09:00 a.m. to 06:00 p.m.) More about this image found in Variation in the solar radiation during the drying period at horizontal, la...

Fig. 5 Variation in the temperature and solar radiation during the tomato drying (location—latitude ( ϕ ) 23.18 E and longitude 79.94 N; optimum tilt angle—36.53 deg) More about this image found in Variation in the temperature and solar radiation during the tomato drying (...

Fig. 6 Variation in the temperature ambient air, cabinet bottom, inside the cabinet, absorber surface, and humidity during the tomato drying (location—latitude ( ϕ ) 23.18 E and longitude 79.94 N; optimum tilt angle—36.53 deg; time—09:00 a.m. to 05:00 p.m.) More about this image found in Variation in the temperature ambient air, cabinet bottom, inside the cabine...

Fig. 7 Variation in the moisture removal during drying of tomato (location—latitude ( ϕ ) 23.18 E and longitude 79.94 N; optimum tilt angle—36.53 deg; time—09:00 a.m. to 05:00 p.m.) More about this image found in Variation in the moisture removal during drying of tomato (location—latitud...

Fig. 8 Variation in the moisture ratio during drying of tomato (location—latitude ( ϕ ) 23.18 E and longitude 79.94 N; optimum tilt angle—36.53 deg; time—09:00 a.m. to 05:00 p.m.) More about this image found in Variation in the moisture ratio during drying of tomato (location—latitude ...

Fig. 9 Variation in the drying rate during tomato drying (location—latitude ( ϕ ) 23.18 E and longitude 79.94 N; optimum tilt angle—36.53 deg; time—09:00 a.m. to 05:00 p.m.) More about this image found in Variation in the drying rate during tomato drying (location—latitude ( ...