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At a particular location a hot spring is available to provide a heat source for a vapor power cycle of a power station and not far away a melt water river from a glacier is available to provide a heat sink. the hot spring has a flow of 1500 liters/sec at 98 degree C and melt water river a flow of 5600 liters/sec at 1 degree C.
Design a vapor power cycle for an 8MW power station. You may assume 80 % isentropic efficiency in the turbine and pump with no pressure losses in the boiler and condenser. the boiler and consender should be designed as heat exchangers to input and remove heat from the working fluid. please reference your heat transfer textbook or similar resources for the heat exchanger design.
Attempt to minimize the environmental impact of the power plant by maximizing the efficiency. For this, you may use concepts learned in thermodynamics (reheat, superheat, feed waters heaters etc)
For uncertainty analysis, determine how a 5% variation in hot spring flow rate and melt water flow rate will affect the power output of the power station.
405-N rightward force is use to drag a large box across the floor with a constant velocity of 0.678 ms-1. The coefficient of friction between the box and the floor is 0.795. Determine the mass of the box.
sterling silver is a metal alloy containing silver and copper. calculate the composition of both elements in mass
The assessment to design a substation and the associated protection System.
the coefficients of friction are ms0.40 and mk0.30 between all surfaces of contact. determine the smallest force p
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the homogenous composite object shown is 3 inches thick and is hinged at o. l 48 inches w 6 inches and r 12 inches
you are requiredto heat treat samples of al 2024 to a t6 condition but you dont know what heat treating schedule to
Advanced Stress Analysis
Nitrogen in a closed tank initially at 27 0C is contained in a rigid closed tank is heated until the pressure doubles. Assuming an ideal gas, determine the final temperature and the heat transfer.
a 10 lb uniform thin bar bc of length l10 ft is pinned at b to the edge of a 18 lb uniform disk of radius r 3.2 ft.
air enters a 0.8 cm i.d tube at 20 degree c with an average velocity of 0.8 ms. the tube wall is kept at 40 degree c.
0.112m^3 of gas has a pressure of 138kN/m^2. It is compressed to 690kN/m^2 according to the law PV^1.4 = C. Determine the new volume of the gas.
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