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The minto wheel is a power-producing device activated by evaporating and condensing a work substance. The only energy input would be from a waste heat or solar source. Write a paper explaining the operating principles of device. Indicate wether the minto wheel operates as a thermodynamic power cycle, and if so give the range of thermal efficiencies that might be achieved. Evaluate propane as a working substance and suggest an alternative. How would the wheel diameter and the volumes of the containers holding the working substance affect performance? Are there any practical applications for such a device? Discuss?
air at the rate of 18 kgs is drawn into the compressor of a jet engine at 55 kpa and -23oc and is compressed reversibly
a 5 ft3 tank containing steam at 14.7 psia 1 quality is fitted with a relief valve. heat is transferred to the tank
a 6-cylinder 3.8 l spark ignition engine operating on the ideal otto cycle takes in air at 104 kpa and 20 degrees
determine the location Yc of the centroid C of the beam cross sectional area . then compute the moment of inertia of the area about the x axis.
based on observations the speed of a jogger can be approximated problems 617 by the relation v 5 7.51 2 0.04x0.3 where
consider a concentric tube annulus for which the inner and outer diameter are 25 and 50 mm. water enters the annular
a.calculate the angular velocity and angular acceleration of a 2kg mass rotating in a horizontal circle of 2m radius if
a 825 mw electric power plant 36.2 efficient uses a coal with the following composition c 74.8 wt h 5.2 wt o 7.3
the hybrid vehicle engine produces an average of 25 kw of power output and has an efficiency of 65. assume it runs 200
an office worker claims that a cup of cold coffee on his table warmed up to 80degc by picking up energy from the
a particle travels along a straight line with an acceleration of a 10-0.2s ms2 where s is measured in meters.
water is to be pumped from a dam to a storage tank 20 m above at a rate of 70 ls. the electric power needed to achieve
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