The pressure in the boiler of a steam power plant operating on the ideal Rankine cycle is 1250 psia. The condenser pressue is 2 psia. The mass flow rate of steam through the system is 75 lbm/s and the quality of the steam at the turbine exit is 0.9. Show the cycle on a T-s diagram, and determine (a) the turbine inlet temperature, (b) the rate of heat input in the boiler, and (c) the thermal efficiency of the cycle.

Question

The pressure in the boiler of a steam power plant operating on the ideal Rankine cycle is 1250 psia. The condenser pressue is 2 psia. The mass flow rate of steam through the system is 75 lbm/s and the quality of the steam at the turbine exit is 0.9. Show the cycle on a T-s diagram, and determine (a) the turbine inlet temperature, (b) the rate of heat input in the boiler, and (c) the thermal efficiency of the cycle.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Engineering
Mechanical Engineering

Thermodynamics

Related Mechanical Engineering Q&A

Find answers to questions asked by students like you.

Q: An engine operating on an ideal Diesel cycle has a cylinder volume when the piston is at bottom- dea...

A: (a) The P-V diagram of the ideal diesel cycle is given as,   The specific heat ratio, At point 1: ...

Q: Redraw the shown feature control frame in an acceptable location that indicates the tolerance applie...

A: Consider the diagram shown below for the given figure with front view, Here t is the thickness of t...

Q: otal head pressure 1 m2 and m2. n.

A: Write the expression of the head of the water flow from the nozzle.

Q: One of the following is a surface force Select one: a. pressure b. electrostatic magnetic C. d. grav...

A: Pressure –it is defined as the ratio of the force and the area. Which means its values can be depend...

Q: Problem 2. Ideal gas Oxygen (O2) flows through a well-insulated (adiabatic) nozzle.  The cross-secti...

A: (1) Solution : As the oxygen is ideal gas. The density of oxygen at point 1 is calculated as :  

Q: Consider a 6-m-diameter spherical gate holding a body of water whose height is equal to the diameter...

A: Given : The diameter of spherical gate = 6 m The density of water = 1000 kg/m3  

Q: How to do heat loss by thermal cooling?

A: Thermal cooling Thermal cooling is defined as the achieving the lower temperature by means of remova...

Q: The beveled gear is subjected to the loads shown. Determine the stress components acting on the shaf...

A: The free body diagram of beveled gear is shown below:

Q: 20-9. The disk rotates about the shaft S, while the shaft is turning about the z axis at a rate of w...

A: Draw the free body diagram of the rotating disk.

Q: 3-87. Replace the loading by a single resultant force. Specify where its line of action intersects a...

A: Let the line of action of equivalent resultant force be at x from A as shown below – The equivalent...

Q: An Otto cycle engine installed in a road vehicle has a volume compression ratio of 6 and provides a ...

A: Given data as per question Volume compression ratio = 6 Cp=1004 j/kg.k Cv = 717j/kg.k we know that 

Q: A 2-shell passes and 4-tube passes heat exchanger is used to heat glycerin from 20°C to 50°C by hot ...

A: Given data: Diameter of tube = 2 cm Length of the tubes = 60 m Convection heat transfer coefficient ...

Q: 3-94. Replace the parallel force system acting on the plate by a resultant force and specify its loc...

A: Click to see the answer

Q: 1. Find the stream function for a parallel flow of uniform velocity V0 making an angle α with t...

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: The two steel shafts in Fig. have the same diameter and weigh 100 lb each. Neglecting friction at co...

A: Consider the diagram shown below for the given system,

Q: Consider flow from a water reservoir through a circular hole of diameter D at the side wall at a ver...

A: The velocity of the water through the hole in case of the frictionless condition, Then, In the cas...

Q: Could you help me solve this question please? It is statics. Thanks.

A: Draw a free body diagram of the crane, Now, apply the equilibrium of force in the horizontal direct...

Q: a) Write a short note on balancing of reciprocating masses.

A: The diagram shows the condition of the balancing of the reciprocating mass.

Q: a: What is the magnitude of torque applied to the shaft? b: The magnitude of the Polar Moment of Ine...

A: The expression of the applied torque is written as

Q: How do you dervive Hooke's law for the stress and strain components? This question pretains to the e...

A: Let load = P Cross sectional area = A Length of the tape =l Hooke's law state that with in elastic l...

Q: 5. This problem involves analysis of selected parts of the ideal Otto cycle. The diagram attached be...

A: Given : The mass of gas in the cylinder, m = 0.002 kg The specific heat at constant pressure, CP = 1...

Q: Please I want answer for this question - 4 . Many Thanks

A: Drawing the manometer as shown below –    

Q: Determine the specific strength of the strongest Al, Mg, Cu, Ti, and Ni alloys.Use the densities of ...

A: Specific strength of any material states that the ratio of yield strength of material to the density...

Q: draw the free-body diagrams for the set (or structure) complete and each of its parts. Ignore fricti...

A: (a) Free-body diagram of the complete structure is given as, At points A and B, the hinge joints oc...

Q: Draw the free body diagram, shear force diagram, and bending moment diagram for section BC and AB of...

A: Drawing for section Bc,  

Q: Mechanical Engineering Question

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: This is a dynamics question. Answer: t = 0.6125 s

A: Given data as per the question Mass of gear = 30 kg Radius of gyration = 125 mm Mass of gear B = 20 ...

Q: What is the use of parallel plane theorem?

A: Consider the diagram shown below for a body in space.  

Q: This is a dynamics question. Answer: w = 0.0906 rad/s

A: Calculating the initial moment of inertia of the system,  

Q: The structure of a football goal is shown in the figure below. The bending motion of the structure c...

A: Write the expression of conservation of energy. Write the expression of conservation of momentum. ...

Q: A refrigerator operating on the Carnot cycle is used to make ice. Water freezing at 32oF is the cold...

A: Given data as per question Water freezing temperature = 320 F = 273.15 k Heat rejected at =720 F=295...

Q: May get help with this question.  It's from Dynamic course. Thanks in advance.

A: Write the given data.

Q: 12.7. The uniform beam in Figure P12.7 has a circular cross section of diameter d and length L. It i...

A: Draw the free-body diagram of the beams.

Q: The beam is solid steel with a circular cross-section of 200mm in diameter. Analyze the cross-sectio...

A:   Solution : The shear forces at the 1.24 m away from the to the right of the left end of the beam....

Q: a) Why the knowledge of Mechanics of machines is important? And write the classification ofmechanics...

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: A two-dimensional flow field has an x-component of velocity given in Cartesian coordinates by u = 2x...

A: Write the given equation. Write the expression of Cartesian continuity. Integrate the above expres...

Q: Apply the necessary symbology to establish the required tolerance and datum feature(s) to control th...

A: The datum for the given part can be assumed as shown below,

Q: 3-50. Determine the moment of the force about the a-a axis of the pipe if a - 60°, B - 60°, and y - ...

A: Force components in x, y, and z directions are,

Q: Need solution to both questions.

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: Two pipes of identical length and material are connected in parallel. The diameter of pipe A is half...

A: Given data as per question diameter of pipe A = half the diameter of pipe B.

Q: Describe G03 used in a CNC milling machine G-code. The description has toinclude the syntax of both ...

A: G03 Code indicates Counter Clockwise Circular Interpolation. G03 code is used in the CNC milling mac...

Q: 7. Two observation towers A and B are located 350 feet apart. An object on the ground between the to...

A: Given: The distance between the towers A & B= 350 feet The height of tower A and B are equal .

Q: change in the forces so D is 300N and B is 200N. Need help solving for Ay and Cy.

A: Draw the free-body diagram of the given system.

Q: Exercise 2: Determine the unextended length (l_0) of spring AC, if a force    P = 80 lb generates th...

A: Given data as per question  force    P = 80 lb  spring deformation constant as k = 50 lb / ft.  θ = ...

Q: Determine the moment of inertia of the solid steel assembly about the x axis. Steel has a specific w...

A: Let’s specify the given system as shown below – Let the solid steel assembly be extended up to the ...

Q: A refrigerated compartment is maintained at a temperature of -5°C. Heat from the surroundings, at 25...

A: Drawing the refrigeration Carnot cycle as shown below –  

Q: calculate (a) centroid (b) Check results for n = 2 (c) Calculate Volume of the body obtained by revo...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: 2. Explain the differences between an engine that operates on a thermal cycle and an engine that ope...

A: When a process or processes are performed on a system in such a way that the final state is identica...

Q: 39. Require flat and coplanar bosses within a 008“ tolerance zone. Require location and parallelism ...

A: The reference plane for the given part can be taken as shown in the diagram below.

Q: Determine the critical load, Per, required to cause failure of a 21 ft long column made of A-36 stru...

A: Given data as per question Moment inertia of column in xx axis = 2.10 in4 Moment inertia of column i...