An ideal Otto cycle operates at a compression ratio of 8, an initial temperature and pressue of 70°F and15 psia, and a maximum cycle temperature of 3540°F. Determine the initial volume in ft³/lb.a. 15.09b. 16.78c. 18.05d. 20,14An ideal Otto cycle operates at a compression ratio of 8, an initial temperature and pressue of 70°F and15 psia, and a maximum cycle temperature of 3540°F. Determine the maximum cycle pressure.a. 1006 psiab. 906 psiac. 806 psiad. 706 psiaAn ideal Otto cycle operates at a compression ratio of 8, an initial temperature and pressue of 70°F and15 psia, and a maximum cycle temperature of 3540°F. What is the cycle efficiency?a. 0.206b. 0.138c. 0.249d. 0.504

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Answered: An ideal Otto cycle operates at a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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The intake air to an ideal Otto cycle has a maximum volume of 0.004 m3 at 27 o C and 101 kPa. If the displacement volume is 0.0035 m3 and the heat rejected from the cycle is 605 J, run an analysis to determine the following; 1- All volumes, pressures, and temperatures for all states. 2- The total heat added to the cycle, Qin 3- The total heat rejected from the cycle, Qrej 4- The total work done by the cycle, Wnet 5- The thermal efficiency of the cycle, ηth
Determine the thermal efficiency.The adiabatic compression is reversible for An Otto-cycle and the expansion processes are reversible. engine takes air at 25 deg C, with initial pressure 1.1 b with a specific volume of 0..78 m3/kg. The compression ratio is 15 and the peak cycle temperature is equal to 1560 Deg C.
A Carnot cycle operates on 1.8 lb mass of air between 390 F and 90 F. The cycle operates between the pressure of 175 psig and 420 psia. Find the volume at the end of the isothermal compression. 1.35 ft3 O 1.79 ft3 O 1.49 ft3 O 1.64 ft3
A Carnot power cycle has a high temperature of 1500 K and a low temperature of 500 K.The pressure at the bottom right of the cycle on a TS diagram (state 3) is 200 kPa and 600kPa at the bottom left (state 4). The fluid inside is air and can be treated as an ideal gas (cp =1.005 kJ/kg). Determinea. The pressure at the beginning (state 1) and end of the isothermal expansion(state 2), each in kPa.b. The heat transfer and work, in kJ/kg for each process.c. The thermal efficiency.
In an ideal reheat cycle, the steam throttled condition is 8 MPa and 480 degree C. the steam is then reheated to MPa and 460 degree C. the turbine exhaust is 60 degree C. The required values of some state point properties are tabulated below. 2. Determine the quality of steam at the last stage of isentropic expansion in the turbine.
A newly purchased sedan car operates on an ideal thermodynamic cycle. The engine has acompression ratio of 10. The ambient air pressure is 1 bar while temperature is 20 ºC. Themaximum temperature in the engine is 1600 K. Draw the ideal power cycle and label it.Utilizing the air-standard assumptions, determine (a) the gas temperature at the exits of thecompression and the expansion processes, (b) the specific works of compression, expansionand net, (c) heat supplied to the engine and (d) the thermal efficiency. please make it clear with space
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! Required information Problem 09.034 - Ideal Otto Cycle with Variable Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27°C, and 760 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg-K. Problem 09.034.c - Thermal Efficiency in Variable Heat Capacity Ideal Otto Cycle Determine the thermal efficiency. (You must provide an answer before moving on to the next part.) The thermal efficiency is 54.3 %.
! Required information Problem 09.034 - Ideal Otto Cycle with Variable Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27°C, and 760 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg-K. Problem 09.034.a - State After Heat Addition in Variable Heat Capacity Ideal Otto Cycle Determine the pressure and temperature at the end of the heat-addition process. (You must provide an answer before moving on to the next part.) The pressure at the end of the heat-addition process is 3915.8 kPa. The temperature at the end of the heat-addition process is 1647.7 K.
A cold air-standard Diesel cycle (k =1.4) has a compression ratio of 18.1 and a cutoff ratio of 2.5. The state at the beginning of the compression is fixed at 14.7 psia and T = 85 F. For this cycle determine: %3D (a) sketch a P-V diagram for the cycle and label the data states (b) the maximum pressure (psia) (c) the thermal efficiency (d) the net work (Btu/lbm) NA k**L.4jhas a comoression rall 9. All pdf pdf 24°C II
An Otto cycle with a compression ratio of 8 begins its compression at 94 kPa, and 10°C. The maximum temperature and minimum volume within the cycle is 900°C and 150 cm3 , respectively. Utilizing air-standard assumptions, determine the (a) heat addition, in kJ, (b) ????, in kJ, (c) thermal efficiency, in %, Show the T-s and P-? diagrams when solving. Note that the specific heats are NOT constant Use g = 9.81 m/s2 or 32.2 ft/s2 , T(K)=T(°C)+273 and T(R)=T(°F)+460, where applicable
Consider a modification of the cold air-standard Otto cycle in which the isentropic compression and expansion processes are each replaced with polytropic processes having n = 1.3. The compression ratio is 12 for the modified cycle. At the beginning of compression, p1 = 1 bar and T1 = 300 K and V1 = 2270 cm3. The maximum temperature during the cycle is 2000 K. Determine the work output in kJ, for the modified cycle. A) 2.28 B) 1.89 C) 2.22 D) 1.99

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