A heating boiler has an area of 5 m2. This surface has a temperature of +35...
A heating boiler has an area of 5 m2. This surface has a temperature of +35 ° C and the boiler room air has a temperature of +20 ° C. The boiler emits a heat output of 30 kW to the hot water at an efficiency of 90%.
How big is the convection loss as a percentage?
Thanks in advance if you're able to answer this!
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A heating boiler has an area of 5 m2. This surface has a
temperature of +35...
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The
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temperature drops to 54℃ as a result of the loss of heat to the
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duct of the heating of a house passes through the space not heated
in the basement. The cross section is 0.050 m2. Hot air enters the
duct at 100.00 kPa and 60.00 ℃ and a speed of 5m / s. The
temperature drops to 54℃ as a result of the loss of heat to the
cold space in the basement. Determine the reason for the heat loss
of the air in the duct to the basement, plus the cost...
.0 W/m2-K, including the effec An anaerobic digester cover has an overall heat transfer coefficient U of 1.0 W/m2.K, including the effects of convection and radiation. The cover has a surface area of 325 m2. The temperature inside the digester is 33°C and the outside air temperature is 0.0°C. What is the rate of heat loss from the digester through the cover? Report your answer in kW, to the nearest 0.1 kW, without entering the units.
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