Water vapor at p₁ = 5 bar, T₁of 1.3 m³/s. The vapor exits at p2==360° C enters a turbine operating at steady state with a volumetric flow rate1.5 bar, T₂ = 230° C with no stray heat transfer to the surroundings.Determine the power produced by the turbine Wcy in kW. Assume kinetic and potential energy effects arenegligible.CVW cv =CV= Ex: 111.0kWWater vaporP1, T₁1|(AV)1Turbine02V P2, T2

Step 1: Use Steam tables to determine the properties of the steam between points. State 1: Volume…

Answered: Water vapor at p₁ = 5 bar, T₁ of 1.3…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Refrigerant 134a at p1 = 30 lb/in?, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 400 lb/h and exits as saturated vapor at p2 = 160 lb;/in?. Heat transfer occurs from the compressor to its surroundings, which are at To = 40°F. Changes in kinetic and potential energy can be ignored. The power input to the compressor is 4 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R.
Air with initial condition of 16 psia and 64°F is brought to a final temperature of 208°Fby a reversible non-flow process, PVn = C. Find the work required in Btu/lb if n = infinityA. constant volume, 0 Btu/lb C. constant temperature, 20 Btu/lbB. constant pressure, 0 Btu/lb D. constant polytropic, 400 Btu/lb
Refrigerant 134a at p1 = 30 lbş/in?, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 250 lb/h and exits as saturated vapor at p2 = 160 lbę/in?. Heat transfer occurs from the compressor to its surroundings, which are at To = 40°F. Changes in kinetic and potential energy can be ignored. The power input to the compressor is 2.5 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R.
If steam flows through a nozzle at steady-state, entering the nozzle with a pressure of 0.5 MPa and a temperature of 673 K, where H = 3272 kJ/kg, and exiting at 0.1 MPa and 623 K, where H = 3176 kJ/kg, what is its exiting velocity (in m/s)? Assume that the heat loss is 10% of the change in kinetic energy.
In a piston cylinder system, a fluid at 0.8 bar occupying 0.07 m³ is compressed reversibly to a pressure of 10.2 bar and specific volume of 0.6 m³/kg according to the law p = c. The fluid then expands reversibly according to the law pv² = c to 1.1 bar. A reversible cooling at constant volume then restores the fluid back to initial state. Calculate the net work for the process in Joules. To 3 d.p. and insert the unit symbol joules.
Steam enters a turbine operating at steady state at 850oF and 450 lbf/in2 and leaves as a saturated vapor at 1.4 lbf/in2. The turbine develops 12,000 hp, and heat transfer from the turbine to the surroundings occurs at a rate of 2 x 106 Btu/h. Neglect kinetic and potential energy changes from inlet to exit. Determine the exit temperature, in oF, and the volumetric flow rate of the steam at the inlet, in ft3/s.
Argon gas flows through a well-insulated nozzle at steady state. The temperature and velocity at the inlet are 550°R and 150 ft/s, respectively. At the exit, the temperature is 460°R and the pressure is 40 Ibf/in?. The area of the exit is 0.0085 ft?. Use the ideal gas model with k = 1.67, and neglect potential energy effects. Determine the velocity at the exit, in ft/s, and the mass flow rate, in Ib/s.
Consider a diffuser operating at steady-state. Air flows in with a velocity of 300m/s, a pressure of 1 bar, and a temperature of 70 ºC. The outlet is at 1.5 bar and 107 ⁰C.What is the exit velocity? What is the ratio of exit area to the inlet area of the diffuser?
An air enters a compressor at 120 kPa, 20 C with volume flow rate of 10m^3/min. It then exits the compressor at 1.5Mpa and 145 C. Calculate the power input to drive the compressor (under steady state) when heat transfer from the compressor is 2 kW.
Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a velocity of 1400 ft/s. The inlet area is 1.4 in². At the exit, the pressure is 400 lb/in² and the velocity is negligible. The diffuser operates at steady state and potential energy effects can be eglected. Determine the mass flow rate, in lb/s, and the exit temperature, in °F. Step 1 Your answer is correct. Determine the mass flow rate, in lb/s. m = 28.887 Hint Step 2 lb/s. Determine the exit temperature, in °F. T₂ = i OF Attempts: 1 of 4 used
A fluid at 0.5 bar occupying 0.08 m3 is compressed reversibly to a pressure of 10.9 bar and specific volume of 0.6 m3/kg according to the law pvn = c. The fluid then expands reversibly according to the law pv2 = c to 1.6 bar. A reversible cooling at constant volume then restores the fluid back to initial state. Calculate the net work for the process in Joules.
20. A certain gas steadily flows through a engine at constant temperature of 400 K. The exit pressure is one-third of inlet pressure of 2.07 kg/cm². If AP = 0, AK = 0, the work of steady flow is, a-126 b-128 c 128 d 126

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