Heat Loss Equation:
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The Tank Heat Loss Calculation estimates the rate of heat transfer through tank walls using the fundamental heat transfer equation. This calculation is essential for thermal insulation design, energy efficiency analysis, and process control in industrial applications.
The calculator uses the heat loss equation:
Where:
Explanation: The equation calculates the rate of heat transfer through conduction, convection, and radiation combined, represented by the overall heat transfer coefficient.
Details: Accurate heat loss calculation is crucial for designing proper insulation systems, optimizing energy consumption, maintaining process temperatures, and ensuring operational safety in industrial processes.
Tips: Enter heat transfer coefficient in W/m²K, surface area in m², and temperature difference in Kelvin. All values must be positive and valid for accurate results.
Q1: What is the typical range for U values in tank applications?
A: U values typically range from 0.1 W/m²K for well-insulated tanks to 10 W/m²K for uninsulated metal tanks, depending on insulation type and thickness.
Q2: How do I determine the surface area of my tank?
A: For cylindrical tanks, calculate using A = πDH + 2πR² (side + top and bottom). For rectangular tanks, use A = 2(LW + LH + WH).
Q3: Why use Kelvin for temperature difference?
A: Kelvin is used because it represents absolute temperature, and temperature differences are identical in Kelvin and Celsius scales (ΔT in K = ΔT in °C).
Q4: What factors affect the heat transfer coefficient?
A: U depends on material conductivity, insulation thickness, surface conditions, fluid properties, and convective heat transfer coefficients on both sides.
Q5: Can this calculator be used for heat gain calculations?
A: Yes, the same equation applies for heat gain by simply reversing the temperature difference direction in the calculation.