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Consider the supercritical cycle in Problem 9.30 and assume that the turbine first expands to 3 MPa, followed by a reheat to 500?C, with a further expansion in the low-pressure turbine to 10 kPa. Find the combined specific turbine work and the total specific heat transfer in the boiler.
Problem 9.30
Consider an ideal Rankine cycle using water with a high-pressure side of the cycle at a supercritical pressure. Such a cycle has the potential advantage of minimizing local temperature differences between the fluids in the steam generator, such as the instance in which the high-temperature energy source is the hot exhaust gas from a gas-turbine engine. Calculate the thermal efficiency of the cycle if the state entering the turbine is 30 MPa, 550?C and the condenser pressure is 10 kPa. What is the steam quality at the turbine exit?
In taping from A to B, a tree on-line necessitated setting an intermediate point C offset 4.5ft to the side of line AB. Line AC was then measured as 368.92ft along a uniform 4% slope
A drop of water forms under a solid surface. assume the drop has the shape of a hemisphere just before seperating. find an expression for the diameter, D
[Hint: This problem can be solved using the formalism developed in Section 6.3. This problem has been solved in the scientific literature, and the solution is given by Abrams and Lind, 1978.]
Determine the the max weight of the block that the system does not fail if the max tension that can be developed in cable DB is 100N and the max compression that can be developed in tower CD is 100N.
I require Relevance, Applicability and Critical Evaluation.? How is the work relevant to the field of cost engineering? Can the results be applied? Give example of the paper's potential usefulness and identify what would make it more useful
Suppose a person invests a total of $10,000 in two accounts. One account earns 8% annually, and the other earns 9% annually. If the total interests earned from both accounts in a year is $860, how much was invested in each account?
A stone A is dropped from rest down a well, and in 1 second another stone B is dropped from rest. Determine the distance between the stones another second later.
Describe three different ways to generate random numbers and explain for each of the four properties (from (a0) which is “yes” and which is “no”.
A large rock became visible to a driver at a distance of 175 ft. Assuming a perception-reaction time of 0.8s, an initial speed of 42 mph, a coefficient of friction equal to 0.5, and a level roadway, calculate the speed at impact.
A machine screw is found with no information given as to its size. The following data are found by using a standard micrometer caliper: The major diameter is 0.196 in; the axial length for 20 full threads is 0.630 in. Identify the thread.
Write a C program that calculates the factorial of the number from 0 to the integer N, which is not greater than 10
Determine the peak outflow rate when the inflow hydrograph is routed through this basin and what is the design storage and water surface elevation at the peak outflow rate.
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