Predict the performance of turbine

Assignment Help Mechanical Engineering
Reference no: EM13704608

A Turbine develops 40,000KW power by running at a speed of 150 rpm at a head of 25 m. The discharge required is 150m^3/s. If the head of the turbine is reduced to 20 m. Predict the performance of turbine?

Reference no: EM13704608

Questions Cloud

Calculate the final temperature and enthalpy : A spring-loaded piston-cylinder device is initially filled with 0.13 lbm of an R-134a liquid-vapor mixture whose temperature is ?30°F and whose quality is 80 percent. The spring constant in the spring force relation F = kx is 37 lbf/in, and the pisto..
Temperature at which the sleeve will slip over the shaft : At a temperature of 21°C, a cold-rolled red brass [alpha B = 17.6 x 10-6/°C] sleeve has an inside diameter of dB = 314.70 mm and an outside diameter of DB = 325 mm. The sleeve is to be placed on a steel [alpha S = 11.9 x 10-6/°C] shaft with an outsid..
Concentric cylinder viscometer may be formed by rotating : A concentric cylinder viscometer may be formed by rotating the inner member of a pair of closely fitting cylinders (see Figure 1). For small clearances, a linear velocity profile may be assumed in the liquid filling the annular clearance gap. A visco..
Proportional to the square root of the absolute temperature : The speed of sound in air is proportional to the square root of the absolute temperature. If the speed of sound is 1126.0 ft/s when the air temperature is 68 °F (degree F), what will the speed of sound be when the air temperature is 105 °F (degree F)..
Predict the performance of turbine : A Turbine develops 40,000KW power by running at a speed of 150 rpm at a head of 25 m. The discharge required is 150m^3/s. If the head of the turbine is reduced to 20 m. Predict the performance of turbine?
Adiabatic flame temperature for constant pressure : Determine the adiabatic flame temperature for constant pressure combustion of a stoichiometric propane air mixture assuming reactants at 298 k . No dissociation of the products and constant specific heats evaluated at 298 k.
Consider the equilibrium reaction in a closed vessel : Assume the vessel contains 1 mole of O2when there is no dissociation. Calculate mole fraction of O2 and O for the following conditions. Comment on how pressure and temperature impacts equilibrium composition and if the changes are consistent with Pri..
Fluid flow through a non-circular cross-section pipe : The pipe flow experiment deals with fluid flow through a non-circular cross-section “pipe”. Please explain, using supporting equations, how you would calculate the pressure loss during fluid flow between two points along the pipe.
Determine the thickness of the bar : A flat bar as shown in the figure below is subjected to an axial load F equal to 500 kn. Assuming that the stress in the bar is limited to 200 n/mm^2 determine the thickness of the bar. All dimensions are in mm

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  General wheatstone bridge and derive the output equation

Draw a general Wheatstone bridge and derive the output equation for a bridge comprising 3 resistors of equal value with one resistor changing an amount delta R?

  Determine the minimum rate of heat transfer from the

electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2 m

  If the mass flow rate of steam is 50 kgh determine the rate

geothermal steam is planned as an energy source for power generation. the steam enters and adiabatic exchanger at 2

  The process and volume relation is given p8-4vbar for a non

the process and volume relation is given p8-4vbar for a non flow process where v is in cubic meter.if 130kj of work is

  If the density of the aniline is 1002 kgm cube and the

a centrifuge bowl with 250mm internal diameter is turning at 4000 rmin. it contains a layer of aniline 50mm thick. if

  Certain system is able to exert an external force f

certain system is able to exert an external force f according to the relationship.v velocityf 15000-500vn for v lt

  What is the max allowable rate of heat generation per unit

a 2 cm-thick composite plate has electric heating wires arranged in a grid in its centerplane. on one side there is air

  Use eulers method to solve this equation from t 0 to 1 d

the amount of a uniformaly distributed radioactive contaminant contained in a closed reactor is measured by its

  Calculate the compressibility factor at the sur-face of

the surface pressure of venus is about 90 bar and the surface temperature is ap-proximately 880 degrees f. the

  Explain equation of an elastic curve

Equation of an elastic curve, Given the equation of the elastic curve for a simply supported beam, how would you obtain the slope in the beam, since the equations are related?

  In such an experiment for which steady state operation is

the thermal characteristics of a small dormitory refriderator are determined by performing two separate experemints

  Calculate valve overlap in crank angle for operational speed

A small five-cylinder CI automobile engine operates with a variable valve timing control system without a camshaft. At operational speed of 3500rpm the intake valve opens 32deg bTDC and closes 57deg aBDC. The exhaust valve opens 52deg bBDC and closes..

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