| Parameter name | Symbol | Unit | Value |
| Number of axles | | | 6 | Weight of brake drum | | kg | 60 | Heat capacity of brake drum | | J/(kg·°C) | 545 | Gross truck weight | | t | 30,35,40,45,50 | Gravitational acceleration | | m/s2 | 9.8 | Height difference | | m | 200,300,400,500,600 | Slope | | | 0.035,0.04,0.045,0.05,0.055 | Speed | | km/h | 50,55,60,65,70 | Coefficient | | | 6 | Coefficient | | | 0.068 | Slope length | | km | 3,4,5,6,7,8,9,10 | Drag coefficient | | | 0.8 | Windward area of the truck | | m2 | 8.75 | Air density | | N•s2•m−4 | 1.2258 | External surface of the brake drum | | m2 | 0.45 | Initial temperature of the brake drum | | °C | 50 | Environmental temperature | | °C | 25 | Emissivity of the brake drum | | | 0.65 | Radiance of the black body | | W/(m2•K4) | 5.6710−8 |
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