Engineering, 07.12.2021 06:00 LiliGrey7612

A Rankine cycle operates between pressures of 2 MPa and 10 kPa with a maximum temperature of 600 o C. The pump can be assumed reversible and adiabatic and its inlet is saturated water. Assuming adiabatic turbine with an isentropic efficiency of 80 percent, and neglecting changes in kinetic and potential energies: i. Determine the specific turbine work.
ii. Determine the thermal efficiency of the cycle
iii. Determine the temperature of the steam at the turbine outlet.
iv. Determine the temperature of the water at the pump outlet.

Answers: 2

Show answers

Another question on Engineering

Engineering, 04.07.2019 18:10

For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater

Answers: 3

Answer

Engineering, 04.07.2019 18:10

Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)

Answers: 3

Answer

Engineering, 04.07.2019 18:10

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k

Answers: 2

Answer

Engineering, 04.07.2019 18:20

An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid

Answers: 3

Answer

You know the right answer?

A Rankine cycle operates between pressures of 2 MPa and 10 kPa with a maximum temperature of 600 o C...

Questions