| PV/T layers | Parameters | Symbols | Value |
| Glass cover | Aperture area (m2) | A | 2 |
|
| Density (kg/m3) | ρg | 2200 |
|
| Emissivity | εg | 0.88 |
|
| Extinction coefficient (/m) | Ʌ | 26 |
|
| Refractive index | Rg | 1.5 |
|
| Specific heat (J/kg) | Cg | 670 |
|
| Thickness (m) | δg | 0.004 |
| PV plate | Packing factor | p | 0.804 |
|
| Temperature coefficient (%) | βr | 0.4 |
|
| Reference cell efficiency (%) | ηr | 15 |
| Absorber plate | Absorptance of collector (%) | αc | 95 |
|
| Density of plate (kg/m3) | ρc | 2702 |
|
| Emissivity | εc | 7 |
|
| Thickness of plate (m) | δc | 0.0002 |
|
| Thermal conductivity (W/mK) | K | 310 |
| Tube | Diameter of tube (m) | Do | 0.00953 |
|
| Density of tube (kg/m3) | ρt | 2702 |
|
| Length of tube (m) | L | 1.916 |
|
| Number of tubes | N | 10 |
|
| Specific heat of tube (J/kgK) | Ct | 903 |
|
| Spacing of tubes (m) | W | 0.1 |
|
| Thickness of tube (m) | δt | 0.0009 |
| Insulation | Density of insulation (kg/m3) | ρi | 20 |
|
| Specific heatofinsulation (J/kgK) | Ci | 670 |
|
| Thermal conductivity (W/mK) | ki | 0.034 |