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Water, initially a saturated vapor at 4 bar, fills a closed, rigid container. The water is heated until its temperature is 400 degree celc. KE and PE effects can be ignored.
a) Reduce the appropriate first law for this problem
b) For the water, determine the heat transfer in KJ per KG of water 7.
Steam enters a turbine operating at steady state with mass flow rate of 4600 kh/h. The turbine develops a power output of 1000kw. At the inlet, the pressure is 60 bar, the temperature is 400 degree cel. and the velocity is 10m/s. At the exit the pressure is 0.1 bar, the quality is 90%, and the velocity is 30m/s.
a) Reduce the appropriate first law of thermodynamics for this problem
b) Determine the rate and direction of heat transfer between the turbine and the surroundings in kW. Show all work.
consider a refrigerator that accepts 15 kw of heat in the evaporator and rejects 19.76 kw of heat from the condenser.
One of the Wright Brothers' contributions to the development of flight dealt with the design of the propeller. Research what the contribution was and how it was (and is) applies
Consider a 2500 psia/1000 F turbine inlet, single reheat to 1000 F cycle with a reheat pressure ratio of P2/P1= 0.2 and a steam mass flow rate of 2 x 10^6 ibm/hr. The condensor operates at a pressure of 1 psia. Pump and turbine isentropic efficiencie..
the system contains a fixed displacement pump with a pressure relief valve set at 1000psi. the system operates 20 hours
Silicon rubber has a Poisson's ratio of 0.4. Consider a silicon rubber drain hose for a surgical procedure; the hose has an outer diameter of 4 mm and a wall thickness of 0.5 mm. How much does the lumen (interior space) of the catheter constrict if t..
air at one atmospheric pressure and at 20degc flows across a 12 mm diameter sphere witha free stream velocity of 5 ms.
consider a concentric tube heat exchanger with hot and cold water inlet temperature of 200 and 35c respectively. the
a single degree of freedom translational vibrating system has a concentrated mass weighing 386 lbs a spring constant of
determine the smallest allowable value of the coefficient of static friction between the collar and the rod if the collar is not to slide when a) a =15° b)a = 45°. Indicate for each case the direction of the impending motion.
An important concept in using CFD code to solve the Navier-Stokes equations is that the variables set that are solved for are the ones appearing in the time derivative terms. These are called conservative variables. An expression for pressure, P, in ..
the inner and outer glasses of a 1.2-m x 1.2-m double pane window are at 150c and 90c respectively. if the 6-mm space
Evaluate the reduction in pump BHP required by heating the oil from 50° F to 100° F. Suppose efficiency of 80% (HP)
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