A heated box is hanging in a thermal vacuum chamber. The box is 6″ x 6″ x 6″. It is made of aluminum and painted with A-276 white paint. The

Question

A heated box is hanging in a thermal vacuum chamber. The box is 6″ x 6″ x 6″. It is made of aluminum and painted with A-276 white paint. The box is of uniform temperature and is raised to 100oC using its own heaters. How much power is required

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Trung Dũng 4 years 2021-08-23T03:50:43+00:00 1 Answers 2 views 0

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  1. diemthu
    0
    2021-08-23T03:52:17+00:00
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    Answer:

    Power Required = 244.6 kW

    Explanation:

    Volume = 0.00353961 m^3

    Density of aluminium = 2700 kg/m^3

    Mass = 0.00353961 x 2700 = 9.56 kg

    Power Required = Mass x Sp. Heat x Rise in T / 3600

    Power Required = 9.56 x 921.096 x 100 / 3600 = 244.6 kW

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