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A natural gas (methane) pipeline is to be designed to transport the gas at a rate of 50,000 scfm. The pipe is to be 6 in. ID, and the maximum pressure that the compressors can develop is 10,000 psig. The compressor stations are to be located in the pipeline at the point at which the pressure drops to 100 psi above that at which choked flow would occur (this is the section pressure for the compressors). if the design temperature for the pipeline is 60 F, the compressors are 60% efficient, and the compressor stations each operate with three stages and inter stage cooling to 60 F, determine ( a ) The proper distance between compressor stations, in miles. ( b ) The optimum inter stage pressure and compression ratio for each compressor stage. ( c ) The total horsepower required for each compressor station.
steam enters a two-stage adiabatic turbine at 8 mpa and 550ordmc state 1 and is expanded to 2 mpa state 2 in the first
If 300 Kg of air is pumped into a previously empty 100 m^3 tank, and the temperature of the air in the tank is 25 deg C, then what is the pressure in the tank in N/m^2?
an air-standard cycle with variable specific heats is executed in a closed system and is composed of the following four
A vapor-compression heat pump system uses R-134a as the working fluid. The refrigerant enters the compressor at 0.24 Mpa, 0 degrees Celsius, with a volumetric flow rate of 0.6m^3/min. The compression process is adiabatic to 0.9 MPa, 60 degrees Cel..
a long cylindrical rod of diameter 200 mm with thermal conductivity of 0.5 w m knbspexperienced uniform volumetric heat
air at a velocity of 3 ms and 20 degrees c flows over a flat plate along its length. the plate is 100cm long 50 cm wide
a steam turbine at steady state is operated at part load by throttling the steam to a lower pressure before it enters
a reheat regenerative rankine cycle. steam enters the turbine at 8mpa and 500 c at a rate of 15 kgs and is condensed to
water enters an adiabatic turbine steadily as a saturated vapor at a pressure of 5 mpa and exits at a pressure of 0.1
Water flows through a duct of varying area. The difference in stagnation pressures between two sections is 4.5 x 10^5 N/M^2. If the water remains at a constant temp, how much heat will be transferred in this lenght of duct?
A 120cm x 80cm plate is rolled into a 120cm long cylindrical shell (Using a 2cm overlap joint to create the cylinder). The shell wall thickness is 1.2mm. The material is AL-2024-T4. Calculate the maximum axial compressive force that may be applied on..
an experiment was carried out to calculate forces acting in two members of a pin-jointed framework due to different
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