Heat Loss ની ગણતરી કેવી રીતે કરવી
Heat Loss શું છે?
Heat loss calculation determines heating requirements based on insulation, air leakage, and temperature difference. Critical for system sizing.
સૂત્ર
Conductive loss: Q = U × A × ΔT (sum all surfaces)
- Q
- 1 — 1
- U
- U value — Variable used in the calculation
- A
- A value — Variable used in the calculation
પગલું દ્વારા પગલું માર્ગદર્શિકા
- 1Conductive loss: Q = U × A × ΔT (sum all surfaces)
- 2Infiltration loss: Q = 1.08 × CFM × ΔT × air density
- 3Total loss drives heating system size
Worked Examples
ઇનપુટ
House 200 m², U-avg 0.5, ΔT 20K, 500 CFM infiltration
પરિણામ
Total loss ~12 kW (heating system needed)
Detailed calc required
Common Mistakes to Avoid
- ✕Neglecting infiltration (often 30-50% of total loss)
- ✕Using design temperature without seasonal variation
Frequently Asked Questions
Why is air sealing important?
Infiltration loss often exceeds conductive loss; air sealing improves efficiency more than adding insulation.
Does orientation affect heat loss?
Indirectly; south-facing gains solar heat. Window orientation matters more than walls.
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