An ideal Otto cycle has a compression ratio of 9.1. At the beginning of the compression process, air is at 100 kPa and 25 °C, and 1000 kJ/kg of heat is transferred to air during the constant volume heat addition process. Use the IG model for air.

An ideal Otto cycle has a compression ratio of 9.1. At the beginning of the compression process, air is at 100 kPa and 25 °C, and 1000 kJ/kg of heat is transferred to air during the constant volume heat addition process. Use the IG model for air.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Parts A B C and D please. Thank you!

Part C
Determine the thermal efficiency.
Express your answer the nearest hundredth.
5| ΑΣΦ | 41
Part D
Submit Request Answer
☐☐
vec
Determine the mean effective pressure.
Express your solution to four significant figures and include the appropriate units.
μÁ
Value
Submit
www ?
Units
Request Answer
?
%

An ideal Otto cycle has a compression ratio of 9.1. At the beginning of
the compression process, air is at 100 kPa and 25 °C, and
1000 kJ/kg of heat is transferred to air during the constant volume
heat addition process. Use the IG model for air.
▼
▼
Part A
Determine the maximum temperature in the cycle.
Express your answer to six significant figures.
15| ΑΣΦ 11
Submit Request Answer
Part B
Di
vec 1
Determine the maximum pressure in the cycle.
Express your answer to three significant figures and include the appropriate units.
μA
Value
Submit
Units
?
Request Answer
°C

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Required information Problem 09.015 - 3-Step Air-Standard Cycle with Constant Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An air-standard cycle with constant specific heats at room temperature is executed in a closed system with 0.003 kg of air and consists of the following three processes: 1-2 v= Constant heat addition from 95 kPa and 17°C to 380 kPa 2-3 Isentropic expansion to 95 kPa 3-1 P = Constant heat rejection to initial state The properties of air at room temperature are cp = 1.005 kJ/kg-K, cy= 0.718 kJ/kg-K, and k = 1.4. Problem 09.015.b - Net Work for Constant Heat Capacity Air-Standard Cycle Calculate the net work per cycle, in kJ. (You must provide an answer before moving on to the next part.) The net work per cycle is kJ.
Required information Problem 09.015 - 3-Step Air-Standard Cycle with Constant Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An air-standard cycle with constant specific heats at room temperature is executed in a closed system with 0.003 kg of air and consists of the following three processes: 1-2 v= Constant heat addition from 95 kPa and 17°C to 380 kPa 2-3 Isentropic expansion to 95 kPa 3-1 P=Constant heat rejection to initial state The properties of air at room temperature are cp=1.005 kJ/kg-K, cv=0.718 kJ/kg-K, and k=1.4. Problem 09.015.c - Cycle Efficiency for Constant Heat Capacity Air-Standard Cycle Determine the thermal efficiency. The thermal efficiency is %.
! 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.
1. Draw a figure or graph that will support the problem. Explain each step by step formula.
Please use the air standerd analysis instead of the cold air standerd analysis
At the beginning of the compression process of a standard cold air Otto cycle, the air is at 100 kPa, 25 ° C and 1200 kJ / kg of heat is added during the constant volume heat addition process. If the compression ratio is 7.5, determine the following: a) The maximum temperature and pressure of the cycle. b) The net output work. c) Thermal efficiency and mean effective pressure.
QUESTION 4 In an air-standard Brayton cycle air enters the compressor at 101.325 kPa and 27°C. Determine the network if the maximum temperature is 1000-C and the pressure ratio is 9. O 331.47 kj/kg O 456.88 kJ/kg O 421.56 k/kg O 301.74 kj/kg
Please include the figure, formulas used, and complete solution. Thank you!
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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 heat rejected in kJ, for the modified cycle.
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