Ethylene enters a reversible, isothermal, steady-flow compressor at 1 bar and 280 K, and exits at...
Ethylene enters a reversible, isothermal, steady-flow compressor at 1 bar and 280 K, and exits at 40 bar. Find the required compressor work (kJ/kmol) using the ideal gas equation of state.
Homework Answers
Add Answer to:
Ethylene enters a reversible, isothermal, steady-flow compressor
at 1 bar and 280 K, and exits at...
Problem 2 20) Air enters a compressor operating at steady state at 280 K and exits...
Problem 2 20) Air enters a compressor operating at steady state at 280 K and exits at a higher pressure and a higher temperature of 1020 K. Specitic heat at constant pressure for air is a constant and equal to 1.003 kJkg K. The mass flow rate is 01 kg's. If the compressor consumes electric power 77 kW Neglect kinetic and potential energy effects and assume air is ideal gas. Find (1) The rate of heat transfer between the compressor...
An ideal gas (k=1.4, R=0.27 kJ/kg K) enters a steady, single inlet, single outlet compressor that...
An ideal gas (k=1.4, R=0.27 kJ/kg K) enters a steady, single inlet, single outlet compressor that is operating reversibly at 1 bar and 30 °C and exits at 5 bar. Find the specific work (W = .) if the compressor is operating isothermally and kinetic and potential energy changes are neglected. 0-188.47 kJ/kg O None of the choices are correct O-110.39 kJ/kg 0-131.73 kJ/kg 0-140.42 kJ/kg
3. Air enters a reversible, steady-flow, adiabatic compressor at 17 C and is compressed through a...
3. Air enters a reversible, steady-flow, adiabatic compressor at 17 C and is compressed through a pressure ratio of 8.6 :1. Determine the work input required in kJ/kg State your assumptions!
Air enters an insulated turbine operating at steady state at 8.0bar, 687 °C and exits at...
Air enters an insulated turbine operating at steady state at 8.0bar, 687 °C and exits at 1 bar, 327 °C. Neglecting kinetic and potential energy changes and assuming the ideal gas model, determine (a) the work developed, in kJ per kg of air flowing through the turbine. kJ/kg (b) whether the expansion is internally reversible, irreversible, or impossible. The expansion is impossible irreversible reversible the tolerance is +/-2%
35% Air (udara) is compressed in an axial flow compressor operating at steady state from 27°C,...
35% Air (udara) is compressed in an axial flow compressor operating at steady state from 27°C, 1 bar to a pressure of 4,41 bar. The work input required is 96,23 kJ/kg of air flowing through the compressor. Heat transfer from the compressor occurs at the rate of 15,65 kJ/kg at the surface of the compressor where the temperature is 40'C. Kinetic and potential energy changes can be ignored. Assuming air as an ideal gas with constant specific heat, cp =...
Air enters a compressor at 152 kPa and 290 K and exits at a temperature of...
Air enters a compressor at 152 kPa and 290 K and exits at a temperature of 507.4 K. Determine the power (kW) for the compressor if the inlet volumetric flow rate is 0.139 m/s and the heat transfer through the shell of the compressor to the surroundings is 1.31 kW. Use the ideal gas tables (variable specific heats).
Problem 12.043 SI Air enters a compressor operating at steady state at 50°C, 0.9 bar, 70%...
Problem 12.043 SI Air enters a compressor operating at steady state at 50°C, 0.9 bar, 70% relative humidity with a volumetric flow rate of 0.8 m3/s. The molst alr exits the compressor at 155°C, 1.5 bar Assuming the compressor is well insulated, determine: (a) the relative humidity at the exit, in percent (b) the magnitude of the power input, in kVW (c) the rate of entropy production, in kW/K
A mixture having a molar analysis of 60% N2 and 40% CO2 enters an insulated compressor operating at steady state at 1 bar, 30°C with a mass flow rate of 1 kg/s and is compressed to 3 bar, 157°C. Neg...
A mixture having a molar analysis of 60% N2 and 40% CO2 enters an insulated compressor operating at steady state at 1 bar, 30°C with a mass flow rate of 1 kg/s and is compressed to 3 bar, 157°C. Neglecting kinetic and potential energy effects, determine: (a) the magnitude of the power required, in kW. (b) the isentropic compressor efficiency, in percent. (c) the rate of exergy destruction, in kW, for T0 = 300 K.
An air compressor is operating at a steady state with a mass flow rate of 1.3...
An air compressor is operating at a steady state with a mass flow rate of 1.3 kg/s. The inlet pressure and temperature are P1 171 kPa and T1 319 K, respectively. The exit pressure and temperature are P2 609 kPa and T2 428 K. respectively. Heat lost from the compressor to the surroundings per unit mass flow is 16 kJ/kg. Air can be assumed as an ideal gas. Kinetic and potential energy changes can be neglected. what is the required...
NAME (PRINT): 1. Air (ideal gas with k = 1.4 and Cp = 1.004) enters the...
NAME (PRINT): 1. Air (ideal gas with k = 1.4 and Cp = 1.004) enters the steady-state operating compressor at P1 = 100 kPa and T1 = 17C, compressed adiabatically, and exits at P2 = 330kPa and T2 = 147C. KE and PE can be neglected. Determine (solution process required): a) Isentropic efficiency of the compressor (6 pts) rate of entropy generation per kg of air flow (5 pts).
Problem 2 20) Air enters a compressor operating at steady state at 280 K and exits at a higher pressure and a higher temperature of 1020 K. Specitic heat at constant pressure for air is a constant and equal to 1.003 kJkg K. The mass flow rate is 01 kg's. If the compressor consumes electric power 77 kW Neglect kinetic and potential energy effects and assume air is ideal gas. Find (1) The rate of heat transfer between the compressor...
An ideal gas (k=1.4, R=0.27 kJ/kg K) enters a steady, single inlet, single outlet compressor that is operating reversibly at 1 bar and 30 °C and exits at 5 bar. Find the specific work (W = .) if the compressor is operating isothermally and kinetic and potential energy changes are neglected. 0-188.47 kJ/kg O None of the choices are correct O-110.39 kJ/kg 0-131.73 kJ/kg 0-140.42 kJ/kg
3. Air enters a reversible, steady-flow, adiabatic compressor at 17 C and is compressed through a pressure ratio of 8.6 :1. Determine the work input required in kJ/kg State your assumptions!
Air enters an insulated turbine operating at steady state at 8.0bar, 687 °C and exits at 1 bar, 327 °C. Neglecting kinetic and potential energy changes and assuming the ideal gas model, determine (a) the work developed, in kJ per kg of air flowing through the turbine. kJ/kg (b) whether the expansion is internally reversible, irreversible, or impossible. The expansion is impossible irreversible reversible the tolerance is +/-2%
35% Air (udara) is compressed in an axial flow compressor operating at steady state from 27°C, 1 bar to a pressure of 4,41 bar. The work input required is 96,23 kJ/kg of air flowing through the compressor. Heat transfer from the compressor occurs at the rate of 15,65 kJ/kg at the surface of the compressor where the temperature is 40'C. Kinetic and potential energy changes can be ignored. Assuming air as an ideal gas with constant specific heat, cp =...
Air enters a compressor at 152 kPa and 290 K and exits at a temperature of 507.4 K. Determine the power (kW) for the compressor if the inlet volumetric flow rate is 0.139 m/s and the heat transfer through the shell of the compressor to the surroundings is 1.31 kW. Use the ideal gas tables (variable specific heats).
Problem 12.043 SI Air enters a compressor operating at steady state at 50°C, 0.9 bar, 70% relative humidity with a volumetric flow rate of 0.8 m3/s. The molst alr exits the compressor at 155°C, 1.5 bar Assuming the compressor is well insulated, determine: (a) the relative humidity at the exit, in percent (b) the magnitude of the power input, in kVW (c) the rate of entropy production, in kW/K
An air compressor is operating at a steady state with a mass flow rate of 1.3 kg/s. The inlet pressure and temperature are P1 171 kPa and T1 319 K, respectively. The exit pressure and temperature are P2 609 kPa and T2 428 K. respectively. Heat lost from the compressor to the surroundings per unit mass flow is 16 kJ/kg. Air can be assumed as an ideal gas. Kinetic and potential energy changes can be neglected. what is the required...
NAME (PRINT): 1. Air (ideal gas with k = 1.4 and Cp = 1.004) enters the steady-state operating compressor at P1 = 100 kPa and T1 = 17C, compressed adiabatically, and exits at P2 = 330kPa and T2 = 147C. KE and PE can be neglected. Determine (solution process required): a) Isentropic efficiency of the compressor (6 pts) rate of entropy generation per kg of air flow (5 pts).
Most questions answered within 3 hours.
-
An empty test tube weighs 15.923 grams. Then,
MgCl2•6H2O is added into the test tube. After...
asked 31 minutes ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 29 minutes ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 30 minutes ago -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 49 minutes ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 1 hour ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 57 minutes ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 1 hour ago -
A large cable company reports the following.
80% of its customers subscribe to its cable TV...
asked 1 hour ago -
Please answer the question in brief.
Discuss the role of ERP in organizations. Are ERP tools...
asked 1 hour ago -
Discuss the pros and cons of collaborative software such
as SameTime. Does it increase productivity? What...
asked 1 hour ago -
Buying your in-laws a gift because it’s expected is
due to the ____________ motive of gift-giving....
asked 1 hour ago -
Calculate the expected value, the variance, and the standard
deviation of the given random variable X....
asked 2 hours ago