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Consider an ideal Brayton cycle executed between the pressure limits of 1100kpa and 100kpa and temperature limits of 20 degrees Celsius and 1200 degrees Celsius with argon as the working fluid. Please find (1) the net work output of the cycle, (2) the back work ratio, and (3) the cycle thermal efficiency.
refrigerant 134a at -10degc 1.4 bar and a mass flow rate of 280 kghr enters an insulated compressor operating at steady
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas
a heat exchanger is to cool ethylene glycol cp 2.56 kjkg degree c flowing at a rate of 3.2 kgs from 80 degree c to 40
Two kilograms of Refrigerant134a, initially at 2 bar and occupying a volume of 0.12 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfe..
some pollution like the now banned toxic pesticide ddt dichlorodiphenyldicholorethaneand its relative dde
a storage tank for carbon tetrachloride is 2.0 feet in diameter and 6.0 feet high. if the chemical has a specific
a machine of mass 125kg supported by springs of total stiffness k750knm. the rotating parts have a mass of 2.5kg which
a golfer hits a golf ball with an initial velocity of 160 fts at an angle of 25deg with the horizontal. knowing that
A shaft with a 2-inch outer diameter must deliver 5000 ft-lbs of torque. The shaft must be hollow and must simultaneously carry hydraulic fluid at an internal pressure of 30,000 psi. Assuming the shaft is closed-ended, and using the von Mises yield c..
a flow of liquid glycerine flows around an engine cooling it as it absorbs energy. the glycerine enters the engine at
a refrigerant at -40degc flows inside a copper pipe inside diameter 3 cm outside diameter 3.4 cm with a convective
a 20-kg uniform cylindrical roller initially at rest is acted upon by a 90-n force as shown. knowing that the body
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