During January, at a location in Alaska winds at -20°C can be observed, However, several meters below ground the temperature remains at 13°C. An inventor claims to have devised a power cycle working between these temperatures having a thermal efficiency of 10%. Investigate this claim.
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- During January, at a location in Alaska winds at -30°C can be observed, However, several meters below ground the temperature remains at 15°C.An inventor claims to have devised a power cycle working between these temperatures having a thermal efficiency of 10%. Investigate this claim. What is the maximum thermal efficiency for these conditions? Is the inventor's claim possible?Pls answer thank you! The following data were obtained during performance test with a simple open cycle gas turbine engine: compressor inlet temperature, 520*R: compressor isentropic discharge temperature, 672"R: actual compressor discharge temperature, 691"R: turbine inlet temperature, 1500 R: turbine isentropic discharge temperature. 1184"R: and turbine actual discharge temperature, 1216°R. For these conditions calculate the thermal efficiency in percent.Calculate the thermal efficiency of a Carnot cycle heat engine operating betweenreservoirs at 300℃ and 45℃
- Thermodynamics (Carnot Cycle) An Ocean Thermal Energy Conversion (OTEC) power plant produces 25000 kW of ouput using warm surface water temperature of 29°C and a cold deep-water temperature of 12°C. Assume it is a carnot cycle and density of cold water to be 1000 kg/m3. Calculate the efficiency. Options: a. 9.44% b. 3.68% c. 5.63% d. 58.62%A CSP supercritical steam power plant using a concentrating collector arrayfor DSG (refer to Figure 8.12) is operating under the following conditions:• Plant electric power output Pel = 28 MW• Intensity of beam solar radiation incident on the concentrator apertureIbc = 798 W/m2• Aperture area of a single concentrator module Aap = 420 m2• Efficiency of the collector ηc = 0.7• Power plant thermal efficiency ηth = 0.39• Efficiency of the electric generator ηg = 0.97• HTF is water/steam• Superheated steam condition at the absorber outlet/turbine inlet:ps = 250 bars, ts = 600°C• Feedwater temperature at the absorber inlet = tw = 280°C Calculate (i) the power plant overall (electrical) efficiency, (ii) the thermal capacity of the power plant, (iii) the rate of useful heat output of aDSG collector module, (iv) the number of concentrator modules, and (v) the steam generation rate of the solar collector.Read carefully. Please solve ellaborately and include the untis in every step, and write your solutions clearly and readable if your solution is in written form, Your work will be appreaciated much. Thank You! The following data were obtained during performance test with a simple open cycle gas turbine engine: compressor inlet temperature, 520*R; compressor isentropic discharge temperature, 672"R; actual compressor discharge temperature, 691"R; turbine inlet temperature, 1500 R; turbine isentropic discharge temperature, 1184"R; and turbine actual discharge temperature, 1216°R. For these conditions calculate the thermal efficiency in percent.
- Calculate the thermal efficiency of a Carnot cycle heat engine operating between reservoirs at 300°C and 45°C.What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0ºC and a cold reservoir temperature of −20.0ºC? (b) How much heat transfer occurs into the warm environment if 3.60 × 107 J of work (10.0 kW · h) is put into it? (c) If the cost of this work input is 10.0 cents/kW · h, how does its cost compare with the direct heat transfer achieved by burning natural gas at a cost of 85.0 cents per therm. (A therm is a common unit of energy for natural gas and equals 1.055 × 108 J.)If the clearance volume of a single cylinder SI engine that operates on an air-standard cycle is 15cc and the bore and stroke of the engine is 6cm and 5cm respectively, Calculate the power that the engine can produce if the heat addition rate amounts to 13kW.a. 7.9100kW b. 7.9101kW c. 7.9102kW d. 7.9103kW
- Thermodynamics (Carnot Cycle) An Ocean Thermal Energy Conversion (OTEC) power plant produces 25000 kW of ouput using warm surface water temperature of 29°C and a cold deep-water temperature of 12°C. Assume it is a carnot cycle and density of cold water to be 1000 kg/m3.If the temperature of the sink is maintained and the efficiency is doubled, what is the new temperature of the hot source? Options: a. 38.16% b. 48.16% c. 58.00% d. 32.09% e. None of the aboveMaintaining temperatures of two reservoir are 730oF and 140 oF. It wasoperated in series by two Carnot engine. Energy received by the secondengine was from the first engine. If the first engine is more efficient of 25%than the second engine, what is the intermediate temperature?You were recently selected as an exchange student to Harvard University, USA. You were assigned a unique 9-digit student number (eg 221013889), assume the student number to be your current university student number. Using that number, determine the work output of a Rankine cycle with a boiler pressure of 10 MPa, an enthalpy value of 3217.96 kJ/kg for the condenser pressure, and a steam flow rate of 5 kg/s. Take the enthalpy at the boiler to be the last four digit (in the given example, it becomes 3889) of the student number. Assume an ideal Rankine cycle with no irreversibilities. Please show your work and use the appropriate units