etermine the heat added to the boiler in KW for the Rankine cycle that generates wet steam at 2.15 mpa. The moisture content of the steam is 4.27%. The feedwater is supplied at saturated pressure of 0.025 mpa at 81.3 kg per minute.
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Determine the heat added to the boiler in KW for the Rankine cycle that generates wet steam at 2.15 mpa. The moisture content of the steam is 4.27%. The feedwater is supplied at saturated pressure of 0.025 mpa at 81.3 kg per minute.
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- Provide a complete given and computation. Include all the decimals. In a reheat cycle steam at 8.0 MPa and 485C enters the turbine and expands to 1.4 MPa. At this point, the steam is withdrawn and passed through a reheater. It re-enters the turbine at 1.3 MPa and 720°C. Expansion now occurs to the condenser pressure of 0.006 MPa.For the cycle and 1 kg of steam determine (a) Q., (b) Wn determine (c) W, (d) e,and (e) the steam flow for an engine and (f) For the engine output of 40,000kW.Completely solve and box the final answers. Write legibly 2. (a) Draw the cycle with designated given values and (b) determine the mass flow rate of an ideal Brayton gas cycle of an air produces a workload of 220,000 watts, the temperature at the beginning of an isentropic compression is 280°C and constant heat addition of 827°C, the cut off ratio of 1 to 10.Provide a complete given and computation. Include all the decimals. Consider a water-ammonia binary vapor cycle consisting. In the steam cycle, superheated vapor enters the turbine at 7 MPa, 450oC, and saturated liquid exits the condenser at 55oC. The heat rejected from the steam cycle is provided to the ammonia cycle, producing saturated vapor at 45oC, which enters the ammonia turbine. Saturated liquid leaves the ammonia condenser at 1 MPa. For a net power output of 24 MW from the binary cycle, determine (a) the mass flow rates for the steam and ammonia cycles, respectively, in kg/s, (b) the power output of the steam and ammonia turbines, respectively, in MW. (c) the rate of heat input to the ammonia cycle, in MW,
- Provide a complete given and computation. Include all the decimals. Consider a water-ammonia binary vapor cycle consisting. In the steam cycle, superheated vapor enters the turbine at 7 MPa, 450oC, and saturated liquid exits the condenser at 55oC. The heat rejected from the steam cycle is provided to the ammonia cycle, producing saturated vapor at 45oC, which enters the ammonia turbine. Saturated liquid leaves the ammonia condenser at 1 MPa. For a net power output of 24 MW from the binary cycle, determine (a) the rate of heat addition to the binary cycle, in MW, and (b) the thermal efficiency of the binary vapor cycle.Read the questions carefully before answering. Box or indicate your final answers when solving and draw your diagrams cleanly or use correction tape/fluid. Use the steam tables provided and DO NOT ROUND the values from the steam table. Use 4 decimal places when solving and use 2 decimal places for final answers only. Draw the TS diagram with proper placement and label of points when required. A Steam power plant operates using the ideal Rankine Cycle where steam initially enters the turbine at 5.0 MPa and 400 C then after expanding, it condenses at 7 kPa and exits as saturated liquid. Draw the TS diagram, find the thermal efficiency, and steam rate.Read the questions carefully before answering. Box or indicate your final answers when solving and draw your diagrams cleanly or use correction tape/fluid. Use the steam tables provided and DO NOT ROUND the values from the steam table. Use 4 decimal places when solving and use 2 decimal places for final answers only. Draw the TS diagram with proper placement and label of points when required. A Steam power plant operates using the actual Rankine Cycle where steam initially enters the turbine at 5.0 MPa and 400C then after an irreversible adiabatic process, it exits the turbine with a dryness of 90. It then condenses at 7 kPa and exits as saturated liquid. Draw the TS diagram, find the thermal efficiency, and steam rate.
- Use the steam tables provided and use 4 decimal places for solving. A steam power plant operates on the ideal Rankine cycle producing a net power output of 120 MW. The maximum pressure of the cycle is 15 MPa, and the minimum pressure is 5 kPa. Steam initially enters the turbine at 500 C. a.) Draw the proper T-S diagram of the cycle with proper label for the points. b.) Find the qualityof the steam entering the condenser, Qa, Qr, Wt, Wp,Wnet,efficiency,mass flow rateand steam rateProvide a complete given and computation. Include all the decimals. In a reheat cycle steam at 8.0 MPa and 485C enters the turbine and expands to 1.4 MPa. At this point, the steam is withdrawn and passed through a reheater. It re-enters the turbine at 1.3 MPa and 720°C. Expansion now occurs to the condenser pressure of 0.006 MPa.For the cycle and 1 kg of steam determine (a)the steam flow for an engine and (b) For the engine output of 40,000kW.Imagine that today is your first day on the job, and that from now on you will be the engineer responsible for a thermal machine. The machine operates according to the cycle below, functioning as a Rankine cycle. Figure 1. T-S diagram of the Rankine cycle. As a good engineer, you already know that, in order to know how a machine works, it is necessary to know its operating conditions. The boiler operates at a constant pressure equal to 8600 kPa and generates water vapor whose temperature is 400 °C. When passing through the turbine, the steam is expanded isetropically and enters the condenser as a two-phase mixture with a title equal to 0.80. The fluid is condensed at a constant pressure of 10 kPa, and then compressed isentropically, so that the fluid enters the boiler as a subcooled liquid. According to the information given above, determine: a) The change in internal energy (ΔU) and the change in entropy (ΔS) of the cycle. b) The net work recognized by the cycle (WNet). c) The thermal…
- A steam powerplant operates on the Rankine cycle. Determine the steam rate, the heat transferrates in the boiler and condenser, and the thermal efficiency of the plant Given Data: P2 = P3 = 9000 kPa; T3 = 650 degree Celsius; P4 = P1 = 20 kPa; Efficiency (turbine) = 0.85; Efficiency (pump) = 0.80; Power rating = 50000 kw please use perrys chem eng handbook when answeringSteam enters the turbine of a power plant operating on the Rankine cycle (Fig. 2) at 873.15 Kand exhausts at 30 kPa. To show the effect of boiler pressure on the performance of the cycle,calculate the thermal efficiency of the cycle and the quality of the exhaust steam from theturbine for boiler pressures of 5000,7500, and 10 000 kPa. #Chemical Engineering #Chemical #ThermodynamicsProvide an expert insight about the methods used to increase thermal efficiency of a steam power plant.