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Carbon dioxide (CO2) modeled as an ideal gas flows through the compressor and heat exchanger shown in Fig. P4.100. The power input to the compressor is 100 kW. A separate liquid cooling water stream flows through the heat exchanger. All data are for operation at steady state. Stray heat transfer with the surroundings can be neglected, as can all kinetic and potential energy changes. Determine (a) the mass flow rate of the CO2, in kg/s, and (b) the mass flow rate of the cooling water, in kg/s.
a long power transmission cable is buried at a depth ground to cable centerline distance of 2 meters. the cable is
Air enters an adiabatic nozzle at 3 atm pressure and 100 F and emerges at 1 atm and 30 F. The inlet velocity is negligible. What is the discharge velocity?
Titanium is stiffer than aluminum, has a lower thermal expansion coefficient than aluminum, and has a higher melting temperature than aluminum. On the same graph, carefully and schematically draw potential well curves for both metals. Be explicit in ..
water at a a flow rate of m 0.215 kgs is cooled from 70 degrees celsius to 30 degrees celsius by passing it through a
the beam ab is pin supported at a and supported by a cable BC. determine the resultant internal loadings acting on the cross section at points d and e.
the flow field for and atmospheric flow is given byv -my2pi imx2pi jwhere m1 s -1 and the x and y coordinates are the
A particular thermal system involves three objects of fixed shape with conduction resistances of R1 = 1 K/W, R2 = 2 K/W and R3 = 4 K/W, respectively. An objec- tive is to minimize the total thermal resistance Rtot asso- ciated with a combination of R..
air at a pressure of 400kpa and a temperature of 700 degree celsius expands in a turbine at steady state to a pressure
The professor takes a 3 liter empty can and fills it with saturated water vapor at 100 deg. C, 1 atm. He seals the can and immerses it in ice water. If the can is perfectly rigid, what is the final pressure in the can? And what mass fractions of the ..
the diagram shows a rigid gate oab which is hinged at o and rests against a rigid nbspsupport at b. calculate the
two wires have the same length and the same resistance. one is made from gold and the other from tungsten. obtain the
Write a program that allows the user to enter a number that represent the month of a year (1 to 12) and uses a switch construct to convert the month number to its corresponding number of days, where January is considered the 1st month of a year and D..
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