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An engine uses methanol (CH3OH) as a fuel with 300% excess air. Air enters the engine at 1 bar and 25 C, and is mixed with fuel at 25 C before combustion. Product gases leave the CC at 75 C. Calculate: - (a) the molar composition of product gases, (b) the chemical exergy of the product gases, and (c)the exergy destruction and exergy efficiency for the CC(combustion chamber)
the work on a system with a mass of 100 lbm is known to be 10 btus. if there is no change in potential energy and the
Determine the stress in a stay at a given temperature. A steel 'stay' of effective length 5m is fitted in between the walls of a ships refrigerated compartment when the temperature is 18 degrees centigrade.
assuming that steam can be treated as an ideal gas what would the specific volume of steam be at 600deg f and 120 psia
consider a hot-air balloon which is comprised of a basket miscellaneous ropes a burner a fuel tank and of course the
What is the initial velocity of Block B, constant acceleration of Block A, velocities of both blocks at t=3s, and the total distance traveled by block B from t=0s to t=3s?
a heat engine operates in a carnot cycle between72.0degc and345degc. it absorbs21600j of energy per cycle from the hot
an open gas turbine is equipped with a regenerator. the compressor is 87nbspefficient with air entering the compressor
What is the acceleration of the truck if the coupling at C suddenly fails? The car wheels are free to roll. Neglect the mass of the wheels.
an electric wire made of c14500 copper is stretched between two street supports at 20 degrees celcius so that a stress
Bubble dynamics underneath a downward facing anode in Hall-Heroult cell. Experimental using Hall-heroult process.Analysis by using High Speed Camera and ANSYS Model.
air is used in a carnot cycle as a working substance . determine the efficiency of the cycle if as a result of an
a ball is dropped from a boat so that it strikes the surface of a lake with a speed of 16.5fts. while in the water the
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