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A process fluid having a specific heat of 3500 J/kg · K and flowing at 2 kg/s is to be cooled from 80°C to 50°C with chilled water, which is supplied at a temperature of 15°C and a flow rate of 2.5 kg/so Assuming an overall heat transfer coefficient of 2000 W/m2 · K, calculate the required heat transfer areas for the following exchanger configurations:
(a) Parallel flow,
(b) Counter flow,
(c) Shell-and-tube, one shell pass and 2 tube passes, and
(d) Cross-flow, single pass, both fluids unmixed. Compare the results of your analysis. Your work can be reduced by using the Tools/Heat Exchanger models of IHT.
If 2*10^15 gold atoms per cm^3 are added to intrinsic silicon as a substitutional impurity and are distributed uniformly throughout the semiconductor, determine the distance between gold atoms in terms of silicon lattice constant.
A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source with a phase voltage of 120Vrms. The load draws a total of 10kW at a power factor of 0.9.
A MOS differential amplifier is designed to have a differential gain Ad equal to the voltage gain obtained from a common-source amplifier. Both amplifiers utilize the same values of RD and supply voltages, and all the transistors have the same W/L..
can you solve the problems attached not all only the below numbers ltbrgt ltbrgtq 1 2 3 4 5 7 8 9 only a 10 ltbrgt
The gradient of a function F(x,y,z), written as or grad F, is found as where is the unit vector in the x-direction. is the unit vector in the x-direction, and Ls the unit vector in the x-direction. What is when F = 2x + 3y2z
Air flows through a duct as in Fig P9.84, where A1 = 24 cm2, A2 = 18 cm2, and A3 = 32 cm2. A normal shock stands at section 2.
A band filter has the following specs: Center frequency: 1500 Hz Bandwidth: 200Hz Chebyshev filter with a passband ripple of 1 dB 20-dB attenuation of te stopband gains at 1200 HZ and 1800 HZ. Determine the order of the lowpass prototype function.
paper clips can be attracted by making a nail connected to the battery using the principle of electromagnetism but how can we make a car or moving paper clips using the same principle of electromagnetism.
If the circuit electronis produce a voltage that is linearly proportional with a sensitivity of 2 V*pF^-1 to the differencebetween a 10 pF efrence cacacitor and the capacitance sensor, what is the output voltage range of the sensor
A pulse compression radar transmits rectangular chirp pulses with bandwidths of 500 MHz. What is the approximate slant-range resolution after Dolph-Chebyshev frequency weighting that results in 30-dB sidelobes
If the first inverter in the chain has an input capacitance of 20fF and the off chip load is 10 pF, how many inverters should be used to drive the load with the least delay Estimate the delay, expressed in F04 inverter delays
The simple inexpensive hydro turbo-generator (turbine mated with electric generator) that you intend to buy has a working efficiency of 60%. Answer the following (show your work).
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