NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Steam enters an adiabatic turbine steadily at 7 MPa, 500°C, and 45 m/s and leaves at 100 kPa and 75 m/s. The power output of the turbine is 5 MW and the isentropic efficiency is 77 percent. Use data from the tables. Steam, 7 MPa 500°C, 45 m/s Turbine + 100 kPa 75 m/s Determine the mass flow rate of steam through the turbine. (You must provide an answer before moving on to the next part The mass flow rate of steam through the turbine is [ kg/s.

NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Steam enters an adiabatic turbine steadily at 7 MPa, 500°C, and 45 m/s and leaves at 100 kPa and 75 m/s. The power output of the turbine is 5 MW and the isentropic efficiency is 77 percent. Use data from the tables. Steam, 7 MPa 500°C, 45 m/s Turbine + 100 kPa 75 m/s Determine the mass flow rate of steam through the turbine. (You must provide an answer before moving on to the next part The mass flow rate of steam through the turbine is [ kg/s.

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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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.
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.
A T-s diagram for a steam Carnot heat engine is shown in Figure Q1. T (°C) 1 2 290°C 30°C 4 3 s (kJ/kg.K) Figure Q1: Steam Carnot Cycle (a) Calculate the efficiency of the cycle. (b) If the net power output of the cycle is 500 MW, calculate the required rate of heat input, and hence determine the mass of fuel in tonnes that would be consumed in a 24 hour period, if the calorific value of the fuel is 18 MJ/kg. (c) Determine the required mass flow rate of the steam to implement this Carnot cycle. (d) Determine the quality at stage 4, and hence calculate the required input pump work.
Steam at 10 MPa, 500 oC enters an ideal engine that has one stage of reheat; exhaust is at 50 kPa and 85% quality. The work produced by the engine is 800 kJ/kg of steam. Determine the thermal efficiency of the engine. Sketch the schematic diagram with named points and indicating the given conditions and draw the corresponding diagram indicating the operating pressures. Determine the specific enthalpies of the throttle steam and exhaust steam. Compute the absorbed by the steam in the reheater. Calculate the energy chargeable against the engine and its thermal efficiency.
A well insulated steam turbine receives steam at temperature T1 = 540 °C and pressure p1= 30 bar. Steam exits the turbine at p2 = 0.7 bar and T2 = 160 °C. The mass flow rate of the steam at the inlet is 4kg/s. a) Calculate the power generated by the turbine b) Calculate the rate of entropy production, in kW/K, of the turbine process. c) Calculate the isentropic efficiency of the steam turbine. You can assume that Potential energy change and kinetic energy change can be neglected. The turbine can be modelled as a control volume at steady state.
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 steam engine isentropically expands 13.893 kg/s of steam from 0.68 MPa, 220°C. the exhaust is dry and saturated. a. Determine the work of a steady flow process in kW.b. Determine the work of a nonflow process in kW.Please include the h-s and T-s diagram in the solution, and do not round off intermediate answers only the final answer in three decimal places.
Please provide a thorough solution on how it arrived at the answer. Thank you.
Water vapor enters a turbine at 6 MPa pressure and 800 ° C temperature and leaves at 20 kPa pressure. Since the heat loss from the turbine with an isentropic efficiency of 95% is 49.7 kJ / kg, a) Find the actual amount of work (kJ / kg) produced by the turbine. b) Find the reversible work (kJ / kg) between the inlet and outlet of the turbine. (Take the ambient temperature 20 ° C.)