a: Draw the P-v diagrams for the three power cycles and label each process: Diesel, Stirling, and Brayton cycle. b: Draw the corresponding T-s diagrams for the three power cycles and label all the processes. c: Draw the corresponding T-v diagrams for the three power cycles and label all the processes.
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Please do parts A, B and C
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- THERMODYNAMICS 2 ACTIVITY 2: RANKINE CYCLE Answer the following problems completely. Strictly follow the PROBLEM – GIVEN – REQUIRED – SCHEMATIC DIAGRAM – SOLUTION – FINAL ANSWER format. BOX your final answers. 1. In a Rankine cycle, steam enters the turbine at 2.5 MPa and condenser at 50 kPa, what is the thermal efficiency of the cycle? At 2.5 MPa: hg = 2803.1 kJ/kg sg = 6.2575 kJ/ kg – K At 50 kPa: sf = 1.0910 sfg = 6.5029 hf = 340.49 hfg = 2305.4 vf = 0.0010300THERMODYNAMICS 2 ACTIVITY 2: RANKINE CYCLE Answer the following problems completely. Strictly follow the PROBLEM – GIVEN – REQUIRED – SCHEMATIC DIAGRAM – SOLUTION – FINAL ANSWER format. BOX your final answers. 2. In an ideal Rankine cycle, the steam throttle condition is 4.10 MPa and 4400C. If turbine exhaust is 0.105 MPa, determine the thermal efficiency of the cycle.Imagine that today is your first day on the job, and that from now on you will be the engineer responsible for a thermal machine. The machine operates according to the cycle below, functioning as a Rankine cycle. Figure 1. T-S diagram of the Rankine cycle. As a good engineer, you already know that, in order to know how a machine works, it is necessary to know its operating conditions. The boiler operates at a constant pressure equal to 8600 kPa and generates water vapor whose temperature is 400 °C. When passing through the turbine, the steam is expanded isetropically and enters the condenser as a two-phase mixture with a title equal to 0.80. The fluid is condensed at a constant pressure of 10 kPa, and then compressed isentropically, so that the fluid enters the boiler as a subcooled liquid. According to the information given above, determine: a) The change in internal energy (ΔU) and the change in entropy (ΔS) of the cycle. b) The net work recognized by the cycle (WNet). c) The thermal…
- Power plant . Gas turbine cycle.Project 2 A gas turbine cycle is preferred over steam power plant in power station that is used to generate electricity. Your manger asked you to investigate and study the possibility of upgrading the power plant discussed in Project-1 to a gas turbine cycle or a combination of both cycles (Combined cycle). The head of the department asked you to deliver a report showing a professional evaluation and assessment for gas turbine cycle efficiency given the following information. First you selected a gas-turbine power plant operating on an ideal Brayton cycle and according to the manufacturing datasheets it has the following specifications: • A pressure ratio of 10. • Heat is added to the cycle at a rate of 500 kW Air passes through the engine at a rate of 1 kg/s The air at the beginning of the compression is at 70 kPa and 0 C. Task 2 Under the assumption of standard air, determine the following: 1. The net power produced in the cycle 2. Back-work ratio 3. Thermal efficiency using the…Project 2 A gas turbine cycle is preferred over steam power plant in power station that is used to generate electricity. Your manger asked you to investigate and study the possibility of upgrading the power plant discussed in Project-1 to a gas turbine cycle or a combination of both cycles (Combined cycle). The head of the department asked you to deliver a report showing a professional evaluation and assessment for gas turbine cycle efficiency given the following information. First you selected a gas-turbine power plant operating on an ideal Brayton cycle and according to the manufacturing datasheets it has the following specifications: • A pressure ratio of 10. • Heat is added to the cycle at a rate of 500 kW • Air passes through the engine at a rate of 1 kg/s The air at the beginning of the compression is at 70 kPa and 0 c. 1. Compare and evaluate the actual and ideal thermal efficiencies and back work ratio 2. Construct efficiency vs. pressure ratio plot, showing the region of…
- Project 2 A gas turbine cycle is preferred over steam power plant in power station that is used to generate electricity. Your manger asked you to investigate and study the possibility of upgrading the power plant discussed in Project-1 to a gas turbine cycle or a combination of both cycles (Combined cycle). The head of the department asked you to deliver a report showing a professional evaluation and assessment for gas turbine cycle efficiency given the following information. First you selected a gas-turbine power plant operating on an ideal Brayton cycle and according to the manufacturing datasheets it has the following specifications: • A pressure ratio of 10. • Heat is added to the cycle at a rate of 500 kW Air passes through the engine at a rate of 1 kg/s The air at the beginning of the compression is at 70 kPa and 0 C. Task 1 Investigate the principles of operation for a gas turbine power plant by considering the following: Construct T-S and P-V diagrams while discussing the…PART II: Gas turbine Introduction o Compressor (process 1 - 2) Work input, WC Increase pressure, pressure ratio p Wc = Win = mcp(T₂ - T₁) o Combustion of fuel (process 2 - 3) Heat addition, Qcc Increase temperature Qcc = Qin = m cp (T3 - T₂) o Expansion (process 3-4) High-energy fluid Useful Energy, WT WT = Wout = m Cp (T3 - T4) (1) Fuel Compressor Fresh air (2) Combustion chamber 3 Turbine Exhaust gases 4 w. netTask 1: Your first customer asked for an internal combustion engine to use it in a designed car. Your role is to describe the operation sequence of different types of available engines, explain their mechanical efficiency, and deliver a detailed technical report which includes the following steps: Evaluate the performance of a four-stroke, eight cylinder ideal Diesel cycle with a cylinder bore of 10 cm and a piston stroke of 12 cm when it is operated at 2200 rpm and 4 the air temperature at the beginning of compression prosses is 40 °C if the minimum volume enclosed in the cylinder is 5 percent of the maximum cylinder volume and the cut-off ratio is 1.7 by determining the delivered power from the engine and it's efficiency and comparing your answer if the engine is changed to be two stroke engine.
- The following data refer to a 12-cylinder, single-acting, two-stroke marine diesel engine:Speed: 150 rpmCylinder diameter: 0.8mStroke of piston: 1.2 mArea of indicator diagram: 5.5x 10-4 m2Length of diagram: 0.06 mSpring value: 147 MPa per mFind the net rate of work transfer from the gas to the piston in kW.I need correct answer in 20 minutes please Find the cycle efficiency and specific steam consumption of a reheat cycle (Fig. 2.7a) operating between pressures of 3 MPa and 0.004 MPa, with superheat temp of 450 °C. Assume that the first expansion is carried out to the point where the steam is dry saturated and then the steam is reheated to the original superheat temp. The feed pump term may be neglected Boiler Reheater a High-P turbine. P = Ps= Preheal Pump Condenser Low-P turbine Figure (2.7 a) High-pressure turbine Reheating Low-pressure turbinePart 2: Problem Statement A gas turbine power plant operates on simple and ideal cycle with air as the working fluid. The pressure ratio is rp = 10, compressor inlet temperature is T₁ = 300 K and turbine inlet temperature is T3 Use constant specific heat cp = 1.005K and Kair = 1.4 kg.K • Create a new sheet and name it "solution 1" • Create a table for T3 from 800 to 1200 with increment of AT 50 K • Calculate compressor and turbine exit temperatures T₂ = T₁(₂)(k-1)/k (k-1)/k T4 = T3 • (-/-) Calculate compressor work Wc, turbine work WT and heat addition occ • Calculate system efficiency 7th Energy output WT - Wc Energy Input Qcc • Create a scatter chart for T3 VS nth 1) Add chart title 2) Add axis title and show units 3) Add a proper trendline and show equation • What is the system efficiency when turbine inlet temperatures are 920 and 1140 K • Create a new sheet and name it "solution 2" • Repeat all steps for pressure ratio of r₂ = 14