Calculate the turbines isentropic efficiency

Assignment Help Mechanical Engineering
Reference no: EM13718939

Water vapour enters an adiabatic turbine at a flow rate of 820 L/s. The turbine expands the water from 10 MPa and 600oC to 8 kPa and a quality of 0.9. Kinetic energy and potential energy effects can be ignored.

Do the following:

a) Calculate the turbine’s power output in MW.

 

b) Calculate the turbine’s isentropic efficiency.

Reference no: EM13718939

Questions Cloud

Use the first approximation equation for contact stress : A gear set has a module of 5mm, a 20° pressure angle, and a 24-tooth case-iron spur pinion driving a 48-tooth case-iron gear. The pinion is to rotate at 50 rev/min. What horsepower input can be used with this gear set if the contact stress is limited..
Suitable face width based on an allowable bending stress : A steel spur gear has a module of 1 mm and 16 teeth cut on the 20° full-depth system and is to carry 0.15 kW at 400 rev/min. Determine a suitable face width based on an allowable bending stress of 150 MPa. Use the first approximation equation for ben..
Compute the modulus of elasticity for the nonporous material : The modulus of elasticity for a ceramic material having 5 vol% porosity is 296 GPa (43x10^6 psi). (a) Compute the modulus of elasticity for the nonporous material. (b) At what volume percent porosity will the modulus of elasticity be 231 GPa (33x10^6..
Determine the isentropic compressor efficiency : An air compressor operates under steady conditions. Air is compressed from an initial state of 295 K and 101 kPa to a final state of 430 K and 340 kPa. Ignore heat transfer between the compressor and surroundings and ignore kinetic energy and potenti..
Calculate the turbines isentropic efficiency : Water vapour enters an adiabatic turbine at a flow rate of 820 L/s. The turbine expands the water from 10 MPa and 600oC to 8 kPa and a quality of 0.9. Kinetic energy and potential energy effects can be ignored.
What is the rate of work if isentropic efficiency : A turbine receives 10 kg/s of steam at a state of p1 = 5 bar, t1 = 400?c and exhausts to a pressure of p2 = 1.5 bar. The ambient temperature is t0 = 300c and the ambient pressure is p0 = 1 bar. What is the rate of work if isentropic efficiency is 75%..
Determine the maximum shear stress in the shaft : A hydrofoil boat has an AISI 1020 Hot Rolled steel propeller shaft that is 100 ft. long. It is connected to an in-line diesel engine that delivers a maximum power of 2500 hp and causes the shaft to rotate at 1700 rpm. If the outer diameter of the sha..
Determine the resulting mixtures volume : 77 lbm of a gas whose density is .0007 lbm/ft^3 is mixed with 1.81 lbm of a gas whose density is .0018 lbm/ft^3 such that the pressure and temperature of the gases do not change. Determine the resulting mixtures volume (ft^3) and specific volume (ft^..
Volumetric analysis of a mixture of a mixture of gases : The volumetric analysis of a mixture of a mixture of gases is 30 percent oxygen, 40 percent nitrogen 10 percent dioxide, 20 percent methane. This mixture flows through a 1-in-diamter at 1500 psia and 70F with a velocity of 10 ft/s. Determine the volu..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  What is the amount of the equal monthly payment

Suppose you take out a car loan of $10,000 with an interest rate of 12% compounded monthly. You will pay off the loan in 48 months with equal monthly payments. What is the monthly interest rate? What is the amount of the equal monthly payment?

  The angle through which the wires supporting the block

a 0.12-oz bullet hits a suspended 15-lbf block of wood and becomes embedded in it. the angle through which the wires

  Determine the angular velocity

At a given instant in time, flywheel OA is caused to rotate with angular velocity of w=2rad/sec and angular acceleration of alpha=6rad/s2. determine the angular velocity of links AB and BC at this instant in time. AB=.5m, BC=.4m, OA=.3m

  The dimensions of a i beam are thicknesst flange width

the dimensions of a i beam are thicknesst flange width b10t and height 20t. determine the absolute maximum bending

  Pressures-temperatures and specific volumes around the cycle

A cycle composed of three processes: poly tropic compression (n=1.5) from 137 kPa and 38 degrees C to state 2, constant pressure from state 2 to state 3 and constant volume from state 3 to state 1. The heat rejected is 1560kj/kg and the substance is ..

  Stagnation temperature of air be at exit of this compressor

A centrifugal air compressor is driven at 40,300 rpm. The inlet eye of the compressor has a hub diameter of 2.09 in and an an outer diameter of 4.56 in. The impeller tip diameter is 6.97 in. It has been found the compressor ratio is 2.44 and the air ..

  An air plane with constant altitude and velocity is being

an air plane with constant altitude and velocity is being detected by a radar. the radar keep computing the distance d

  What is the total work done to the system steam what is the

determine the heat transfer necessary to increase the pressure of 70 percent quality steam from 200 to 700 kpa

  Determine number of atoms contained within each of plane

Assuming that within metal crystals, the atoms can be considered as hard spheres in contact, sketch arrangement of atoms in a (100) plane, a (110) plane and a (111) plane of face-centered cubic structure. Determine the number of atoms contained wi..

  If the cylinder is to be protected against excessive

a hydrogen tank 25 cm in diameter and 80 cm in height is charged to 150 atmospheres at room temperature 25 c. a

  Heet of head must the pump add to achieve

at a pumped storage facility water is pumped from a large reservoir to a point 150 feet above the resevoir. how many

  Air initially at rest m1 0 with an initial pressure p1 1

air initially at rest m1 0 with an initial pressure p1 1 atm and temperature t1 300k flows through a nozzle into a

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd