The power output is 12122 kW
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- 303 nt inces Required Information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500°C, and 80 m/s and the exit conditions are 30 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 13 kg/s. The properties of the steam are v=0.086442 m³/kg, h = 3446 kJ/kg, and 2 = 2437.7 kJ/kg. P = 4 MPa 7-500C VVER Steam P₂ = 30 kPa 4y=0.92 V₂50 m/s Determine the turbine inlet area. The turbine inlet area is m².Part A-Classical Type of Questions Q1) In an ice-making plant, water at 0 °C is frozen at atmospheric pressure by evaporating saturated R-134a liquid at -26 °C. The refrigerant leaves this evaporator as a saturated vapor, and the plant is sized to produce ice at 0 °C at a rate of 3500 kg/h. -26°C sat. vapor R-134a -26°C (a) Show the entropy balance for the process (b) Determine the rate of heat transfer (c) Calculate the mass flow rate of refrigerant R-134a (d) Determine the rate of entropy generation in this plant (e) Show the process on a T-s diagram for R-134a with respect to saturation lines (Please show the related values of the parameters in the diagram)A three-stage compressor receives 500 lps of air at 101 kPaa and 27 oC, anddischarges at 750 kPaa. Determine a) the power required; b) the pressure at eachintercooler; c) the maximum temperature; and d) the heat transferred in each intercooler.e) What is the discharge temperature of a single-stage compressor operating at the same intake and discharge temperatures?
- 4. In a natural gas pipe line compressor, 110 m³/min of propane is compressed polytropically. The inlet pressure is 101 kPaa and the temperature is 38°C. The process follows pV1.08 = C. The exit pressure is 510 kPaa. Determine (a) the exit temperature in kelvins, (b) the mass flow rate in kg/s, and (c) the heat loss in kW. Draw the P-V and T-S diagramsQ5: A-Steam enters a turbine with a velocity of 50m/s and specific enthalpy 2690 kJ/kg . the steam leaves the turbine with a velocity of 25 m/s and specific enthalpy 1300 kJ/kg . the heat lost tothe surroundings as the steam passes through the turbine is 25 kJ/kg .the steam flow rate is 32400kg/h determine the work output from the turbine in kilowatts. B- 0.015 m° gas at a pressure of 4.070 Kpa expands to a pressure of 0.00207 bar according to the law pV'°=C -Determine a- the final volume b- the work heat transferred during the expansion. Take (the molecular weight of the gas =24 and specific heat at constant volume =0.866 kJ/kg .K) .a) The entropy change of the refrigerant is kJ/K . (b) The entropy change of the source is kJ/K . (c) The total entropy change during the process is
- A three-stage compressor receives 500 lps of air at 101 kPaa and 27 oC, anddischarges at 750 kPaa. Determine a) the power required; b) the pressure at eachintercooler; c) the maximum temperature; and d) the heat transferred in each intercooler.e) What is the discharge temperature of a single-stage compressor operating at the same intake and discharge temperatures?(answers for Letter D and E Thank you)Air goes through a Brayton cycle gas turbine, entering the compressor at 11 °C and 108 kPa. When it reaches the turbine inlet, the air is at 1,061 °C and 1.23 MPa. What is the net change in specific enthalpy of the working fluid after going through the compressor and heat addition processes? You may assume that the specific heat capacity c, is a constant 1.005 --1. kJ-kg 1.K1 throughout the whole cycle. Give your answer in kJ-kg1 to one decimal place.Refrigerant-134a enters the compressor of a residential heat pump at 140 kPa at a rate of 216 kg/h and leaves at 900 kPa and 45°C. Take: P;=P, & P= P Answer the following questions: %3D m (mass flow rate) in kg/s X1 (quality) = %3D On hị (in kJ/kg) h: (in kJ/kg) hs (in kJ/kg) ha (in kJ/kg) Conderner Expansion valve Compreasor COP ur= Qu (in kW) QL (in kW) W Cemp, (in kW) = aporator
- A boiler takes in feed water at 70 °C and generates steam at a pressure of 10 bar and drynessfraction 0.92. The wet steam enters a superheater and emerges with the same pressure at atemperature of 400 °C. If the steam flow rate is 5 tonnes per hour, determine (i) the rate atwhich heat transfer takes place in the boiler and (ii) the rate at which heat transfer takes placein the superheater. State any assumptions you have made in relation to the steady flowequation for the process.A 12" x 14" horizontal single-acting reciprocating air compressor is driven by a 50 kW motor that operates at 520 rpm, drawing in air at 14 psia and 88 F, and discharging it at 57.6 psia. The compression and re-expansion process are polytropic with n = 1.33. Mechanical efficiency = 85 %, compression efficiency = 75% Calculate: a). the mass of air (lb/min) discharged b). volumetric efficiency (%) c). the percent clearance (%)Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500°C, and 80 m/s and the exit conditions are 30 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 13 kg/s. The properties of the steam are = 0.086442 m³/kg, h=3446 kJ/kg, and 2 = 2437.7 kJ/kg. P₁-4 MPa T₁ - 500°'℃ V₁-80 m's P₂ - 30 kPa 32-0.92 Vyu 30 m/s Determine the change in kinetic energy. (You must provide an answer before moving on to the next part.) The change in kinetic energy is kJ/kg.