Question: A cogeneration plant is to generate power and 8600 kJ/s of process heat. Consider an ideal cogeneration steam plant. Steam enters the turbine from the

A cogeneration plant is to generate power and 8600 kJ/s of process heat. Consider an ideal cogeneration steam plant. Steam enters the turbine from the boiler at 7 MPa and 500°C. One-fourth of the steam is extracted from the turbine at 600-kPa pressure for process heating. The remainder of the steam continues to expand and exhausts to the condenser at 10 kPa. The steam extracted for the process heater is condensed in the heater and mixed with the feedwater at 600 kPa. The mixture is pumped to the boiler pressure of 7 MPa. Show the cycle on a T-s diagram with respect to saturation lines, and determine
(a) The mass flow rate of steam that must be supplied by the boiler,
(b) The net power produced by the plant, and
(c) The utilization factor.

A cogeneration plant is to generate power and 8600

6 Turbine Boiler Process heater Condenser PII

Step by Step Solution

★★★★★

3.30 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

A cogeneration plant is to generate power and process heat Part of the steam extracted from the turb... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

E-ME-T (2545).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

Consider an ideal steam regenerative Rankine cycle with two feedwater heaters, one closed and one open. Steam enters the turbine at 10 MPa and 600°C and exhausts to the condenser at 10 kPa. Steam...

Consider a cogeneration power plant modified with regeneration. Steam enters the turbine at 9 MPa and 400°C and expands to a pressure of 1.6 MPa. At this pressure, 35 percent of the steam is...

Steam enters a turbine at 300C, 600 kPa and exhausts as saturated vapor at 20 kPa. What is the isentropic efficiency?

An ideal cogeneration steam plant is to generate power and 9 , 4 0 0 kJ / s of process heat. Steam enters the turbine from the boiler at 7 MPa and 5 0 0 C . One - fourth of the steam is extracted...

Consider a cogeneration plant. Steam enters the turbine at 8 MPa and 600oC. 20% of the steam is extracted before it enters the turbine and 60% of the steam is extracted from the turbine at 500 kPa...

2 . 2 In a non - ideal Rankine cycle, steam enters the turbine at 1 4 MPa and 5 0 0 C with a mass flow rate of 1 5 0 k g s . The condenser pressure is 8 kPa . This cycle has a turbine polytropic...

ATTEMPT ALL QUESTIONS. BE SURE TO ANSWER A body with mass m = 1 2 kg is attached to the end of a spring that is stretched 2 m by a force of 100 N. Furthermore, there is also attached a dashpot4 that...

5-180 Determine the power input for a compressor that compresses helium from 150 kPa and 20C to 400 kPa and 200C. Helium enters this compressor through a 0.1-m2 pipe at a velocity of 15 m/s. 5-181...

Steam enters the turbine of a cogeneration plant at 3 MPa and 5 4 0 oC . One - fourth of the steam is extracted from the turbine at 1 . 5 MPa pressure for process heating. The remaining steam...

In the manufacture of paper, large amounts of electricity, process steam, and hot water are required. While these three needs could be met by individual thermal energy systems, it is prudent to...

A 30-cm-square vertical plate is heated electrically such that a constant-heat-flux condition is maintained with a total heat dissipation of 30 W. The ambient air is at 1 atm and 20oC. Calculate the...

How current is generated in an NPN BJT in active mode? Draw appropriate figures.

Solve the initial value problem. d y d x - y x = 5 x e x , y ( 1 ) = 5 e - 5

Use an organization with which you are familiar. With that organization in mind, fill out the applicable parts of the matrix. Youve been hired by the organization you wrote about during Week 2 to...

Let A e Rx4 be a matrix and suppose you know that 2 100 1 100 0 0 8 2 0 0 2 8 X = is a solution of the Lyapunov equation AX + XAT = -I. Without solving for A explicitly, can you evaluate etAdt ? If...

1. Consider the initial value problem (IVP) y' = ey+cos x, y(0)=0. The power series solution of the IVP is given by y(x) = ax + ax + a3x + ... a3. Use the method of direct substitution to determine...

Youre now a marketing executive for Tesla, tasked with finding and evaluating a new market for car sales. Select a country in which Tesla does NOT currently sell, and write a two-page summary...

1) Determine whether each of the manufacturing costs listed above are fixed, variable, or mixed and enter F, V, or M into the appropriate boxes above Hint: if the total cost of an item is the same...

12 Betty is working out the position-to-term rule for a sequence of numbers. She has drawn a table, but she has spilt juice on her work. a What is the position-to-term rule for her sequence? Explain...

Use the puts ( ) function to display the message to the screen.An array with a float datatype to store the prices of the itemsPrompt the user to enter how many items they have to total. Use a for ( )...

Question No: 07 This is a subjective question, hence you have to write your answer in the Text-Field given below. Ms. Rashmi Rangarajan is a Fund Manager at Credit Suisse, Hong Kong. She is...

Mills Mining is considering the purchase of additional equipment. The proposed project has the following features: The equipment has an invoice price of $390,000 and will cost $40,000 to modify for...