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1. Heat Exchanger (2)
The steam in the previous example is cooled using water at 1 bar, 25 °C. The cooling water emerges at 40 °C at the exit of the heat exchanger. Determine the heat load and the entropy generation. Compare the result with the previous example. 2. Rankine Plant
A Rankine power plant using steam operates between pressures 60 bar and 1.013 bar. The turbine expands steam from 500 °C, 60 bar, to 1.013 bar. The liquid at the exit of the condenser is saturated. The efficiency of the turbine and of the pump is 75%. Calculate the energy balances, entropy generation, and thermodynamic efficiency. What are the sources of irreversibility?
in heat transfer terms , the surface temperature rises above the wet bulb surface ceases to behave as a wet surface - the surface temperature rises to dry bulb temperature and air as the moisture level fa..
Main objectives of the computer aided modeling and simulation system - Critically analyze the applicability, domain, features and advantages of the various systems available.
Discuss how the phase equilibria of mixtures are represented using diagrams similar to the pressure-temperature and pressure-specific volume diagrams for one- component systems. Use the example of a mixture of ethane and heptane to illustrate your..
Devise a control system for this reactor, and draw up a preliminary piping and instrument diagram. The following points need to be considered:
You have a heat pump that takes in 256 kW of heat and puts out 604 kW of heat. What is the coefficient of performance (C.O.P.) of the system ( express this value as a fraction)?
A strap, instrumented to measure stretch, is worn around the chest to detect respiration whilst a subject is at-rest. The resulting signal is contaminated by electrical noise from the mains at 50 Hz with a similar amplitude to the respiration sign..
the paint formerly used on some storage tanks contained aluminum powder which reflected heat from the surface of the
Calculate the internal energy change for each of the following. a. One hundred (100.) joules of work are required to compress a gas. At the same time, the gas releases 23 J of heat
In the chlorination of ethylene to produce dichloromethane (DCE), the conversion of ethylene is reported as 99.0%. If 94 mol of DCE are produced per 100 moll of ethylene reacted, calculate the selectivity and the overall yield based on ethylene. T..
Which of the following is insensitive to changes in pressure ?
Chlorine has two isotopes 35Cl and 37 Cl, for the anion Cl- , of the isotope 37 Cl, specify the number of protons np ,number of electrons ne and numbers of neutrons nn
A civil engineer is designing a road. At what angle should he bank the road surface in a curve of radius 70m so that there is no tendency for a vehicle traveling at 90 km/h to slip sideways, either up or down the banking.
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