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Design a heat exchanger for the service of problem 5.8 using:
(a) Xist.
(b) TASC.
problem 5.8:90,000 lb/h of benzene will be heated from 75°F to 145°F by cooling a stream of orthotoluidine from 230°F to 150°F. Inlet pressures are 45 psia for ortho-toluidine and 50 psia for benzene. A maximum pressure drop of 10 psi is specified for each stream. Properties of ortho-toluidine at 190°F are given below.
(a) Develop an initial configuration for a shell-and-tube heat exchanger to meet this service.
(b) Perform the rating calculations for the initial configuration developed in part (a).
(c) Based on the results of the rating calculations in part (b), specify what changes, if any, should be made to the configuration of the heat exchanger for the next trial.
(d) Use HEXTRAN or other available software to rate the initial configuration developed in part (a).
Random Diffusion - Provide all relevant equations The stability of the numerical method (ex: if you change the delta or delta x, does your result change.) Change something and see the effect it has.
a 100 lbm liquid-vapor mixture of water in a rigid container with a volume of 3 ft3 at a temperature of 100of is heated
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concentration is a process by which both useful heat and energy are produced. here a portion of high -pressure steam is
A 7.1cm external diameter, 6m long hot water pipe at 85 C is losing heat to the surrounding air at 15 C by natural convection with a heat transfer coefficient of 40 W/m2 C. Determine the rate of heat loss from the pipe by natural convection in Kw.
in a 150 mw steam turbine unit operating on an enhanced rankine cycle steam is delivered from the boiler to the high
1. For a square foundation that is B 3 B in plan, Df 5 2 m; vertical gross allowable load, Qall 5 3330 kN, g 5 16.5 kN/m3; f9 5 308; c9 5 0; and FS 5 4. Determine the size of the foundation. Use Eq. (4.26).
A steel contains 18% cementite and 82% ferrite at room temperature. Estimate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid?
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modified brayton cycle is to be analyzed using the air-standard assumption with constant specific heats at a
The electric reheating oven shown in the figure is used to heat a continuous sheet of metal from 25-1000C The metal speed is such that the strip of metal spends 2 hours inside this oven, The sheet thickness is 1cm and the ambient temperature is 25C w..
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