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A gas turbine for an automobile is designed with a regenerator. Air enters the compressor of this engine at 100 kPa and 20 C. The compressor pressure ratio is 8; the maximum cycle temperature is 800 C: and the cold air stream leaves the regenerator 10 C coller than the hot air stream at the inlet of the regenerator. Assuming both the compressor and the turbine to be isentropic, determine the rates of heat addition and rejection for this cycle when it produces 150 kW. Use constant specific heats at room temperature.
a beam of 2-mev photons with intensity 108 cm-2s-1 irradiates a small sample of water. a how many photons-water
the only information you have about a proposed site for a wind farm is that the wind blows at speeds above 25 ms 90 hrs
crude oil flows through a level section of the alaskan pipeline at a given rate in millions of barrels per day1 barrel
an unconstrained pistoncylinder assembly with a massless piston is oriented upright in an environment in which the
8 x product engineering and design review (week 2 – 12), ~3 pages per item which must contain a brief description of the product then delve into concepts such as materials selection, manufacturing methods, life cycle analysis, recyclability and overa..
a boat carrying passengers weighs 1200lbs. if the boat is moving in a circular path with a radius of 40ft and a
air enters a turbojet engine at 180 ms at a rate of 20 kgs and exits at 850 ms relative to the aircraft. what is the
calculate the reynolds number for water dynamic viscosity of 7.98 10-4 nsm2 flowing through a rectangular pipe 4 cm
nitrogen at 80 kpa and 400 k enters an adiabatic diffuser steadily at a flow rate of 6000 kgh at 230 ms and leaves at
a certain superinsulation material having a thermal conductivity of 2 x 10-4 wm.c is used to isulate a tank of liquid
an electrical wire having a diameter of 1.5 mm and covered with a plastic insulation thickness 2.5 mm is exposed to
the range of human hearing extends from approximately 20 hz to 20000 hz.a find the wavelength for 30 hz at a
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