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A natural gas-fired boiler in a textile plant in sharjah is used to provide steam at 130oC. At times of high demand, the boiler supplies heat to the steam at a rate of 30 MJ/s. The plant also uses up to 6 MW of electrical power purchased from SEWA (the local power company). The plant management is considered converting the existing process plant into a cogeneration plant to meet both their process-heat and power requirements. Your job is to come up with some designs. Designs based on a gas turbine or steam turbines are to be considered. First decide whether a system based on a gas turbine or a steam turbine will best serve the purpose, considering the cost and the complexity. Then propose your design for the cogeneration plant complete with pressure and temperatures and the mass flow rates. Show that the proposed design meets the power and process-heat requirements of the plant.
Draw the shear force diagram for the beam and determine the position and magnitude of the maximum bending moment.
Problem Statement Consider the landing gear shown below. Working in teprns of two, come up with a single optimized design for given operational conditions and design considerations
Use cold air properties to find the highest cycle pressure, the specific energy added by combustion, and the mean effective pressure.
an air-conditioner with refrigerant 134a as the working fluid is used to keep a room at 26 c by rejecting the waste
if the atmospheric pressure is 1.025 bar at a location where you can dive in a lake to 30ft below the surface and then
a 600 mw coal-fired power plant has an overall thermal efficiency of 38. it is burning coal that has a heating value of
a 12-mm-diameter specimen is subjected to tensile loading. the increase in length resulting from a load of 9 kn is
the a-36 steel plate has a thickness of 12 mm and other dimensions. r30mm p60mm ab200mm bc800mm cd200 width120mm. the
a beam of 2-mev photons with intensity 108 cm-2s-1 irradiates a small sample of water. a how many photons-water
a tank of compressed air is at 40 degrees c and 10 atm. 1 third of the gas is removed for inflating a car tire. the
consider an investment in a project having a first cost of 500000 operating and maintenance costs of 35000 per year a
determine the time it takes for the ball to start rolling without slip and its speed when it does so. In addition, determine the distance it travels before it starts rolling without slip. Assume (mu)K = 0.10.
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