a) Supplied steam to the turbine in kg/hr b) Total heat supplied to the boiler in KJ/hr
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- 1. (#22pp61Dimgba) A 3600 rpm, 60,000 kW unit receives steam at 2.75 MPaa and 430 C with a back pressure of 0.005 MPaa. Engine efficiency is 78% and the combined mechanical and electrical efficiency is 95 %. Find: a) Rankine cycle ratio (RCR) b) Theoretical steam rate (TSR) c) Actual steam rate (SR) d) Steam flow e) Exhaust enthalpyWrite legibly, provide manual step by step solution, and diagram for below given problem. A superheat steam Rankine cycle has turbine inlet conditions of 17.5 Mpa and 530 C expands in a turbine to 0.007Mpa. The turbine and pumps polytropic efficiencies are 0.9 and 0.7 respectively, pressure losses between pump and turbine are 1.5MPa. What should be the pump work in KJ/kg? A. 17.3 C. 37.3 B. 27.3 D. 43.4Q2// The air supplied to a gas turbine plant is 10 kg/s. The pressure ratio is 6 and pressure at the inlet to the compressor is l'bar. The compressor is two stages and provided with perfect intercooler. The inlet temperature is 306 K and the maximum temperature is limited to'1073 K. the isentropic efficiency of compressor each stage is 80%. The isentropic efficiehcy of turbine is 85%. A regenerator is included in plant whose effectiveness is 0.7. Neglect the mass of fuel. Determine the thermal efficiency of the plant. Inter cooler 2' twww 3-0 supply L.P. Н.Р. Alternator Air in Biz & Bu Regenerator Exhaust
- The refrigeration system of a food production firm is run using the Reversed Carnot Cycle. The temperature of the hot refrigerant supply in the system should be 52°C, while the temperature of the sink should be -14°C. Its capacity is projected to be at least 24 tons. It's important not to disregard losses. Find and Show unit analysis and conversion: a. COP and COP of Heat Pump b. Heat rejected from the system in kW c. Network in, Hp and Energy Efficiency RatioPls answer thank you! The following data were obtained during performance test with a simple open cycle gas turbine engine: compressor inlet temperature, 520*R: compressor isentropic discharge temperature, 672"R: actual compressor discharge temperature, 691"R: turbine inlet temperature, 1500 R: turbine isentropic discharge temperature. 1184"R: and turbine actual discharge temperature, 1216°R. For these conditions calculate the thermal efficiency in percent.A gas turbine cycle is preferred over steam power plant in power station that is used to generate electricity. Your manger asked you to investigate and study the possibility of upgrading the power plant discussed in Project-1 to a gas turbine cycle or a combination of both cycles (Combined cycle). The head of the department asked you to deliver a report showing a professional evaluation and assessment for gas turbine cycle efficiency given the following information.First you selected a gas-turbine power plant operating on an ideal Brayton cycle and according to the manufacturing datasheets it has the following specifications:• A pressure ratio of 10.• Heat is added to the cycle at a rate of 500 kW• Air passes through the engine at a rate of 1 kg/s• The air at the beginning of the compression is at 70 kPa and 0 C.
- A gas turbine cycle is preferred over steam power plant in power station that is used to generate electricity. Your manger asked you to investigate and study the possibility of upgrading the power plant discussed in Project-1 to a gas turbine cycle or a combination of both cycles (Combined cycle). The head of the department asked you to deliver a report showing a professional evaluation and assessment for gas turbine cycle efficiency given the following information.First you selected a gas-turbine power plant operating on an ideal Brayton cycle and according to the manufacturing datasheets it has the following specifications:• A pressure ratio of 10.• Heat is added to the cycle at a rate of 500 kW• Air passes through the engine at a rate of 1 kg/s• The air at the beginning of the compression is at 70 kPa and 0 C. Task 1Investigate the principles of operation for a gas turbine power plant by considering the following:1. Construct T-S and P-V diagrams while discussing the operation of a…1.4 A diesel engine operating an air standard diesel cycle has 20cm bore and 30cm stroke. the clearance volume is 420cm3. if the fuel is injected at 5% of the stroke, find the air standard efficiency. 1.5 Develop an expression for the thermal efficiency of the air-standard diesel cycle as a function of the compression ratio r. = V1V2 and the expansion ratio r, = V4 / V3. Assume the working fluid is an ideal gas, and the volume effect of moles of gas generated is small relative to the effect of heating from combustion. %3DA certain coal-fired power plant has a rated power capacity of P = 950 MW. The output of this plant is W = 0.39QH, where QH is the energy input as heat from the hot reservoir. a. Calculate the maximum thermal efficiency of the power plant. b. Calculate the absolute value of the exhausted heat (QC) each second in MJ for the power plant. c. How many tons nC of this coal is exhausted as wasted heat to QC in a single day?
- 3) The pump works (wbomba) and the turbine (wurbina). 4) The heats: boiler (QH) and condenser (QL). 5) The thermal efficiency of this cycle.yale L 15 A gas power cycle uses air as the working fluid and has two turbine sections as shown in the figare below. The power produced by Turbine I is used to drive the compressor, and Turbine 2 produces output power W. Air enters the compressor with a semperature of 290 K and a mass flow rate of -2 (kgs] (State I); the air exits the compressor at 44SK (State 2). Heat is transferred from a high- temperature thermal reservoir, Ta- 1400 [K), to Heat Exchanger 1 at a rate Q,- The lemperature of the air is raised to 1100 [K] (State 3) as it flows through Heat Exchanger 1. The air enters Turbine I where it is expanded to State 4. The flow then proceeds to Turbine 2 and exits with a temperature of 500 (K] (State 5). Heat is then removed from the air through Heat Exchanger 2 at a rate Q which is rejectod to the low-temperature thermal reservoir, TL-200 (K). (A) Determine the temperature at the inlet to Turbine 2, Te (b) Calculate the power output from Turbine 2, W. (e) Calculate the rate of…2.) A Diesel cycle receives air at 15 psia and 75 F. The cycle has = 15 lb and QA = 352. Draw the PV and TS diagrams, and solve for the following: the remaining temperatures, QR, Wnet and efficiency.