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Refrigerant-134a is throttled from saturated liquid state at 7 bar to a pressure of 1.4 bar. Determine the temperature drop during this process and the final specific volume.
refrigerant 134-a enters a compressor as a saturated vapor at 200 kpa at a rate of 0.04 m3s. the power input to the
two carnot engines operate in a series. engine 2 uses the waste heat from engine 1. engine 1 receives 200kj at a
A particle moves along a spiral described by the equation r=r(inital)+kappa*theta, where r(inital) and kappa are constants, and where theta is in radians. Assume that theta dot =alpha*time, where alpha= 0.15rad/s^2 and t is time expressed in seconds.
a 1500 lb crate is pulled along the around at a constant speed for a distance of 25ft using a cable that makes an andle
an insulated piston-cylinder device initially contains 0.3 m3 of carbon dioxide at 200 kpa and 27 oc. an electric
Estimate the work done by the heart to keep the blood circulating. The fluid that flows through the heart has a uniform velocity profile. The system can be modeled as steady-state with one inlet and one outlet. Neglect frictional loses in the pumping..
Pure methane initially at 3000 psi, 65 oF enters a pipeline of 12-in inside diameter, at a rate of 70 lb/s. Using the generalized compressibility factor chart, calculate the inlet density and initial velocity of methane.
determine the average normal stress at the section a-a and the average shear stress at section b-b in member ab. the
Air enters an adiabatic compressor at 0.1 kg/s, 100 kPa, 25 °C and exits at 700 kPa. (a) Draw a schematic of the system. Determine (b) the minimum power input (kW) and (c) the entropy generation rate (kW/K)
Large stationary brayton cycly gas turbine power plant delivers a powr output of 100MW to an electric generator . Minimum temperature is 300K so T1= 300k max temp is 1600k
now it is proposed that the liquid water coming out of the separator be used as the heat source in a binary cycle with
Derive at least four concept designs to satisfy the given specification - draw a central cross-section of the heat exchanger
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