Questions from Thermal Fluid Science


Q: What are the two methods used in radiation analysis? How do

What are the two methods used in radiation analysis? How do these two methods differ?

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Q: In the absence of compressed liquid tables, how is the specific

In the absence of compressed liquid tables, how is the specific volume of a compressed liquid at a given P and T determined?

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Q: Under what conditions is the heat transfer relation / valid

Under what conditions is the heat transfer relation valid for a heat exchanger?

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Q: Consider a person whose exposed surface area is 1.9 m2

Consider a person whose exposed surface area is 1.9 m2, emissivity is 0.85, and surface temperature is 30°C. Determine the rate of heat loss from that person by radiation in a large room whose walls a...

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Q: Consider a condenser in which steam at a specified temperature is condensed

Consider a condenser in which steam at a specified temperature is condensed by rejecting heat to the cooling water. If the heat transfer rate in the condenser and the temperature rise of the cooling w...

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Q: Consider two black coaxial parallel circular disks of equal diameter D that

Consider two black coaxial parallel circular disks of equal diameter D that are spaced apart by a distance L. The top and bottom disks have uniform temperatures of 500°C and 520°...

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Q: What is the heat capacity rate? What can you say about

What is the heat capacity rate? What can you say about the temperature changes of the hot and cold fluids in a heat exchanger if both fluids have the same capacity rate? What does a heat capacity of i...

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Q: Reconsider Prob. 21–75. Using appropriate software, evaluate

Reconsider Prob. 21–75. Using appropriate software, evaluate the effect of the distance L between the black coaxial parallel disks (D = 1 m) on the radiation heat transfer coefficien...

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Q: Under what conditions will the temperature rise of the cold fluid in

Under what conditions will the temperature rise of the cold fluid in a heat exchanger be equal to the temperature drop of the hot fluid?

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Q: Two black parallel rectangles with dimensions 3 ft × 5 ft are

Two black parallel rectangles with dimensions 3 ft × 5 ft are spaced apart by a distance of 1 ft. The two parallel rectangles are experiencing radiation heat transfer as black surfaces, w...

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