A turbine operating under steady-flowconditions receives steam at thefollowing state; pssure,100 bar;specific internal energy 2773 kJ/kg,velocity 30 m/s. the state of steamleaving the turbine is as follow:pressure 1 bar, specific internal energy2450 kJ/kg, velocity 90 m/s. Heat isrejected to the surroundings at therate of 0.25 kW and the rate of steamflow through the turbine is 0.4 kg/scalculate the power developed by the.turbine

The inlet turbine pressure of the steam is, P1=100 bar The inlet specific internal energy of the…

Answered: calculate the power developed by the…

Engineering

Mechanical Engineering

calculate the power developed by the .turbine

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

See similar textbooks

Similar questions

Referring to the reversible heat pump cycle shown in the figure, p1 = 14.7 Ib/in?, p4 = 57.4 lbę/in?, v1 = 12.6 ft /lb, v4 = 5.0 ft /lb, and the gas is air obeying the ideal gas model. P p4 pi V4 V1 Determine TH, in °R, and the coefficient of performance.
Current Attempt in Progress A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. The inlet pressure and temperature are 14.7 Ibf/in.?, and 180°F, respectively; at the exit the pressure is 90 Ibf/in.2 The pump requires 1/25 hp of power input. Water can be modeled as an incompressible substance with constant density of 60.58 Ib/ft and constant specific heat of 1 Btu/lb · °R. Neglecting kinetic and potential energy effects, determine the temperature change, in °R, as the water flows through the pump. AT = i °R
1. Two kilograms of air at a pressure of 2.25 MPa and temperature of 27C is heated atconstant volume to a final pressure of 2.5 MPa. Compute for the:a. Change in internal energyb. Change in enthalpyc. Change in entropyd. Heat transferrede. Non-flow work 2. In a constant pressure process, 325 KJ of heat are added to 6.55 kg of ideal gas(R=208 J/kg-K and k = 1.65) initially at 290 K. Calculate:a. Final Temperatureb. Change in enthalpyc. Change in internal energyd. Change in entropye. Non-flow work
Exactly 10 kg of steam entered a heat exchanger at 100 bar and 560o C. At the exit the Steam was at 30 bar and a quality of 0.47. Please determine a. The exit temperature in oC. b. The mass of the liquid water in kg.
200Kg/min superheated steam at 40 bar and 350C enters a turbine through a 7.5cm ID pipe. It exits at 5bar as saturated steam through a 5cm ID pipe neglect the change in potential energy of the system. What is the temperature of the outlet saturated system? How much energy is transferred to or from the turbine?
1. A heat pump design creates a heating effect of 35 kW while using 15 kW of electrical power. wwww wwwwn wwwww w The thermal energy reservoirs are at 300 K and 250 K. www ww (a) Show the system sketch and label all the values given on it ww www u w w (b) Demonstrate the 1st law application for this system (c) Find entropy generation
A fluid enters an apparatus at 480 ft/s, initially the pressureof the fluid is 120 psia, the specific volume of 5ft3/lb andthe internal energy is 383 BTU/lb. The fluid leaves theapparatus at 25psia, specific volume of 18 ft3/lb, an exitvelocity of 1200 ft/s and internal energy of 120 BTU/lb. Theheat radiation loss is 10 BTU/lb. Determine work steadyflow, WSF
2. A certain gas with cp = 0.529 Btu/lb.R and R=96.2 ft.lb/lb.R, expands from 5 cu ft and 80°F to 15 cu ft while the pressure remains constant at 15.5 psia. Compute (a) T2, (b) AH, (c) AU and (d) AS, (e) for an internally reversible nonflow process, what is the work?
How reversible process differs from irreversible process?
Referring to the reversible heat pump cycle shown in the figure, p1 = 14.7 Ib/in?, p4 = 20.3 lb/in?, v1 = 12.6 ft°/lb, v4 = 10.0 ft³/lb, and the gas is air obeying the ideal gas model. p4 pi V4 Determine TH, in °R, and the coefficient of performance.
Steady-state operating data are shown in the figure for an open feedwater heater.Heat transfer from the feedwater heater to its surroundings occurs at an average outer surfacetemperature of 50°C at a rate of 100 kW. Ignore the effects of motion and gravity and let T 0 =25°C, p0 = 1 bar. Determine(a) the ratio of the incoming mass flow rates, ?̇# /?̇ $ .(b) the rate of exergy destruction, in kW.
Q1: A heat engine used a steam as working fluid has 3 kg/s and initial the steam undergoes to expansion process is 8 bar, dryness fraction (32) percent, and the expansion follows the law (PVL-C), down to a pressure of 0.3 bar. Calculate the change of entropy of steam during the process. . ,.¢