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mercury is to be evaporated at 605degf in a furnace the mercury flows through a 1-in bwg no 18 gauge 304
a spherical satellite circling the sun is to be maintained at a temperature of 25degc the satellite rotates
a 10-cm-square electrically-heated plate is placed in a horizontal position 5 cm below a second plate of the same size
the diameter of the sun is 139 x 109m estimate the percentage of the total radiation emitted by the sun which
energy-efficient electric oven chapter 9 a large manufacturer of domestic electric ovens wants to explore more
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the inside surface of a 1-m-long vertical 5-cm-id tube is maintained at 120degc for saturated steam at 350 kpa
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1 calculate the maximum safe heat flux in the nucleateboiling regime for water flowing at a velocity of 15 ms through a
a metal-clad electrical heating element of cylindrical shape as shown in the sketch below is immersed in water at
environmental concerns have recently motivated the search for replacements for chlorofluorocarbon refrigerants an
a thin-walled horizontal copper tube of 05-cm od is placed in a pool of water at atmospheric pressure and 100degc
1 calculate the maximum heat flux attainable in nucleate boiling with saturated water at 2 atm pressure in a
a flat stainless steel plate is 06 cm thick 75 cm wide and 03 m long is immersed horizontally at an initial temperature
in a pool boiling experiment in which water boiled on a large horizontal surface at atmospheric pressure a heat flux of
1 water at atmospheric pressure is boiling in a pot with a flat-copper bottom on an electric range that maintains the
thermocouple radiation shield continuation of problem 12 design a radiation shield for the thermocouple described in
electrical-resistance heater chapters 2 3 6 and 10 in chapters 2 3 and 6 you determined the required heat transfer
design a heat pipe cooling system for a spherical satellite that dissipates 5000 wm3 has a surface area of 5 m2 and
1 estimate the time required for nocturnal radiation to freeze a 3-cm thickness of water with ambient air and initial
estimate the time required to freeze vegetables in thin tin cylindrical containers 15 cm in diameter air at -12degc is
the one-pass condenser heat exchanger shown in the sketch has 64 tubes arranged in a square array with 8 tubes per line
the 1-m-long tube-within-a-tube heat exchanger shown in the sketch is used to condense steam at 2 atm in the annulus
a vertical rectangular water duct 1 m high and 010 m deep shown in the sketch is placed in an environment of saturated