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Heat calculation for closed-loop heating systems

2015-11-28View Original

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There is a container with a closed volume of 2000 M3, and the medium inside it is air at 25 degrees Celsius. The total heat-insulating surface area of the container is 1500 M3; the material used for insulation is rock wool with a thickness of 100 mm. The air leakage rate is 2%, and electric heating with internal circulation is used to raise the temperature of the air inside the container to 155 degrees Celsius. What is the amount of heat required for this purpose? What is the power of the electric heater? How long does it take to heat? What is the air volume and pressure of the circulating fan? Please provide the calculation process. Thank you.

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