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a copper sphere 25 cm in diameter is suspended by a fine wire in the center of an experimental hollow cylindrical
a 25-cm sphere is to be maintained at 50degc in either an airstream or a water stream both at 20degc and 2 ms velocity
a hot-wire anemometer consists of a 5-mm-long 5-mdiameter platinum wire the probe is operated at a constant current of
a hot-wire anemometer is used to determine the boundary layer velocity profile in the air flow over a scale model of an
develop an expression for the ratio of the rate of heat transfer to water at 40degc from a thin flat strip of width
the temperature of air flowing through a 25-cm-diameter duct whose inner walls are at 320degc is to be-measured using a
water at 180degc enters a bare 15-m-long 25-cmdiameter wrought iron pipe at 3 ms if air at 10degc flows perpendicular
a stainless steel pin fin 5 cm long and with a 6-mm od extends from a flat plate into a 175 ms airstream as shown in
microprocessor cooling chapter 7 consider a microprocessor dissipating 50 w with dimensions 2-cm x 2-cm square and
repeat problem 81 but assume that a fouling factor of 000018 m2 kw has developed on the inside of the tube during
consider a heat exchanger consisting of 125-mm-od copper tubes in a staggered arrangement with transverse spacing of 25
in a heat exchanger as shown in the accompanying figure air flows over brass tubes of 18-cm 1d and 21-cm od containing
liquid mercury at a temperature of 315degc flows at a velocity of 10 cms over a staggered bank of 58-in 16 bwg
estimate the heat transfer coefficient for liquid sodium at 1000degf flowing over a 10-row staggered-tube bank of
carbon dioxide gas at 1 atmosphere pressure is to be heated from 25degc to 75degc by pumping it through a tube bank at
determine the average heat transfer coefficient for air at 60degc flowing at a velocity of 1 ms over a bank of 6-cmod
one method of storing solar energy for use during cloudy days or at night is to store it in the form of sensible heat
a long half-round cylinder is placed in an airstream with its flat face downstream an electrical resistance heater
suppose the resistor in problem 733 is rotated so that its axis is aligned with the flow what is the maximum
laboratory steam generator chapter 10 you are to design an electrically powered steam generator for use in a laboratory
1 find the amount of simple interest on 2100 from september 2 2010 to june 15 2011 using the bankers rule2 find the
1 how much will the interest be on a loan of 2350 at a simple interest of 7 for 6 months2 if a loan of 5750 is taken
1 given the geometric progression 625 125 25 find the sixth term and the sum of the 15 terms2 draw the function y
1 how many teams of five students each can be formed in a class of 15 students2 calculate 4c2 and 5c33 if you are