An ideal Brayton cycle has a pressure ratio of 8. At the beginning of the compression process, air is at 300 K. If Tmax in the cycle is 1200 K, determine the temperature of air, in K, at the beginning of heat exchange processes.

An ideal Brayton cycle has a pressure ratio of 8. At the beginning of the compression process, air is at 300 K. If Tmax in the cycle is 1200 K, determine the temperature of air, in K, at the beginning of heat exchange processes.

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

See similar textbooks

Similar questions

in a regenerative cycle the inlet conditions are 40 bar and 400°C. Steam is Bleed at 10 bars in regenerative heating. The exit pressure is 0,8 bars. Neglecting Pump work; determine the efficiency of the cycle
Explain why constant pressure is applied during heat addition process in an ideal Diesel cycle.
Draw the graph of Otto air standard cycle and prove that the thermal efficiency is equal to: Motto = 1_1/r^y-1 , where r is the compression ratio and y is the specific heat ratio.
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 21 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.
An ideal gas diesel engine, that has an inlet temperature, pressure and a compression ratio of 27 degrees Celsius,102 KPa and 18:1 respectively. The maximum cycle temperature is 1237 degrees Celsius. Take Specific heat at constant pressure and constant volume for air as 1,005 KJ/Kg K and 0,717 KJ /Kg K respectively. Calculate : 1.the absolute temperature after the isentropic expansion process to one decimal place 2.the thermal efficiency of the cycle 3.specific heat rejected and received to one decimal place and include SI unit (J/Kg...) 4.The cut off ratio
3. Show that the thermal efficiency of the Carnct cycle in terms of the isentropic compression ratio r is given by e = 1-1. k-1
H.W2: An air-standard Carnot cycle is executed in a closed system between the temperature limits of 350 and 1200 K. The pressures before and after the isothermal compression are 150 and 300 kPa, respectively. If the net work output per cycle is 0.5 kJ, determine (a) the maximum pressure in the cycle, (b) the heat transfer to air, and (c) the mass of air. Assume variable specific heats for air. Answers: (a) 30,013 kPa, (b) 0.706 kJ, (c) 0.00296 kg
X=5
! 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.
Assuming a compression ignition engine having a cut-off ratio of 2 and a compression ratio of 20. Before the compression stroke, air is at 100kPa, 20°C and a volume of 500 cm³. Determine (in kPa) the mean effective pressure of the cycle
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 generator uses a gas turbine cycle. Air enters the compressor at a pressure of 1 bar and a temperature of 30°C with a compressor efficiency of 0.85. Hot gas exits the combustion chamber at a pressure of 9 bar and a temperature of 900°C. The power generated by the turbine is 2400 kW with a turbine efficiency of 0.82. a. Draw installation diagrams and T-s cycle process diagramd b. Determine the work of the compressor and turbine and the mass rate of the air requirement c. Cycle thermal efficiency (air: Cp=1,005 kJ/kg. K dan γ=1.4; Gas hot: cp=1,005 kJ/kg K and γ=1.4)