Q6: An ideal Otto cycle has a compression ratio of (8)at the beginning of thecompression process, air is at 95KPa and 27 °C and (750kj/Kg) of heat istransferred to air during the constant volume (heat addition process)determine (a) The pressure and temperature at the end of heat addition process(b) The net work output. (c)The thermal efficiency of the cycle. (d) The meaneffective pressure for the cycle.

Step 1:Given the information:The ratio of compression (r=8)Initial pressure…

Answered: Q6: An ideal Otto cycle has a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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An air-standard Otto Cycle with a compression ratio of 9.0 has air entering at 101 kPa and 27 deg C. There is an input of 1 800 kJ/kg of heat during the heat addition process. Determine maximum temperature in Fahrenheit, thermal efficiency and net work (k]/kg).
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A gasoline internal combustion engine can be modeled by an ideal Otto cyclethat has a compression ratio of 8.91. At the beginning of the compression process (state 1), airis at 100 kPa and 300 K. The heat transfer into the air during the constant-volume heat additionprocess (state 2 to 3) is 693.08 kJ/kg. Note: Consider constant specific heats of air at 300 K. 1 – Find the temperature in K before heat additionprocess ;A) 660 KB) 680 KC) 700 KD) 720 K 2 – Find the maximum temperature in K during thecycle A) 1625 KB) 1655 KC) 1685 KD) 1715 K3 – Find the maximum pressure in MPa during the cycle A) 4 MPaB) 4.5 MPaC) 5 MPaD) 5.5 MPa4 – Find the temperature in K before the heat rejection processA) 660 KB) 700 KC) 740 KD) 780 K
Hello Sir,Good Night.I have a question in my homework related thermodynamics lesson.The following below is my question. Please advice, thank you
A four-cylinder compression-ignition engine with a compression ratio of 18 haspistons with a bore of 9 cm and a stroke of 10 cm. The air pressure at the beginning ofcompression is 98 kPaa, and the temperature is 37 oC. The engine may be modeled bythe air-standard Diesel cycle. The maximum cycle temperature is 1700 oK. If the engineproduces 75 kW of power, determine a) the heat supplied per cylinder; b) the thermalefficiency; and c) the rpm required.
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
Q5: What is the effect of percentage change in the efficiency of Otto cycle having a compression ratio of (7), if the specific heat at constant volume increases by1%?
! 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.
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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
Hello Sir,Good Evening.I have a question in my homework related thermodynamics lesson.The following below is my question. Please advice, thank you

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