The figure shows data for a portion of the ducting in a ventilation system operating at steady state. The ducts are well insulated andthe pressure is very nearly 1 atm throughout. The volumetric flow rate entering at state 2 is AV2 = 2000 ft3/min. Assume the ideal gasmodel for air with c, = 0.24 Btu/lb-°R and ignore kinetic and potential energy effects.(AV)1 = 5000 ft/min1Air, Cp = 0.24 Btu/lb°RT = 80°Fp=1 atm3 V3 = 400 ft/minT3 = ?Insulationft/min(AV)2Tz = 40°FDetermine the temperature of the air at the exit, in °F, and the rate of entropy production within the ducts, in Btu/min.°R.

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Answered: m operating at steady state. The ducts…

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 figure shows data for a portion of the ducting in a ventilation system operating at steady state. The ducts are well insulated and the pressure is very nearly 1 atm throughout. The volumetric flow rate entering at state 2 is AV₂ = 3600 ft3/min. Assume the ideal gas model for air with cp = 0.24 Btu/lb-ºR and ignore kinetic and potential energy effects. (AV)₁ = 5000 ft³/min Air, Cp=0.24 Btu/lb R T₁ = 80°F p=1 atm 2 (AV)₂ T₂ = 40°F ft³/min 3 V3 = 400 ft/min T3 = ? -Insulation Determine the temperature of the air at the exit, in °F, and the rate of entropy production within the ducts, in Btu/min.°R.
The figure shows data for a portion of the ducting in a ventilation system operating at steady state. The ducts are well insulated and the pressure is very nearly 1 atm throughout. The volumetric flow rate entering at state 2 is AV2 = 2000 ft/min. Assume the ideal gas model for air with c, = 0.24 Btu/I6•°R and ignore kinetic and potential energy effects. (AV)1 = 5000 ft³/min Air, Cp = 0.24 Btu/lb°R 1 T = 80°F p=1 atm 3 V3 = 400 ft/min T3 = ? Insulation ft/min (AV)2 T2 = 40°F Determine the temperature of the air at the exit, in °F, and the rate of entropy production within the ducts, in Btu/min-°R.
1. Where necessary, assume air as an ideal gas and consider R = 287 J/(kg.K), Cp = 1005 J/(kg.K), v = 718 J/(kg K)- a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2 The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kl/kg heat is lost. 2 Compre 1 Conttnhanbe Figure Q1.a: Schematic of a Jet engine. (i) In analysing this nozzle using the 1st law of thermodynamics, the change in which type of energy is negligible? (ii) Determine the density and velocity of the air entering the nozzle. (ii) Calculate the density of the air as it leaves the nozzle. (iv) Determine the temperature of the air as it leaves the nozzle.…
The figure shows data for a portion of the ducting in a ventilation system operating at steady state. The ducts are well insulated and the pressure is very nearly 1 atm throughout. The volumetric flow rate entering at state 2 is AV₂ = 3600 ft3/min. Assume the ideal gas model for air with cp = 0.24 Btu/lb-ºR and ignore kinetic and potential energy effects. 1 (AV)₁ = 5000 ft³/min T₁ = 80°F 2 (AV) ₂ T₂ = 40°F ft³/min Air, Cp=0.24 Btu/lbºR p=1 atm Insulation 3 V3400 ft/min T3 = ? Determine the temperature of the air at the exit, in °F, and the rate of entropy production within the ducts, in Btu/min.°R.
For a certain gas with constant, R = 320 J/(kg-K) and constant volume specific heat, Cv = 184 J/(kg-K), what is the value of constant pressure specific heat, Cp if the system undergoes a reversible non flow constant pressure
Where necessary, assume air as an ideal gas and consider R = 287 J/(kg.K), Cp = 1005 J/(kg.K), Cv = 718 J/(kg.K). a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2. The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kJ/kg heat is lost.Figure Q1.a: Schematic of a Jet engine. (i) In analysing this nozzle using the 1st law of thermodynamics, the change in which type of energy is negligible?
Where necessary, assume air as an ideal gas and consider R = 287 J/(kg.K), Cp = 1005 J/(kg.K), Cv = 718 J/(kg.K). a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2. The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kJ/kg heat is lost. Figure Q1.a: Schematic of a Jet engine.(ii) Determine the density and velocity of the air entering thenozzle.
Where necessary, assume air as an ideal gas and consider R = 287 J/(kg.K), Cp = 1005 J/(kg.K), Cv = 718 J/(kg.K). a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2. The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kJ/kg heat is lost.Figure Q1.a: Schematic of a Jet engine.(iii) Calculate the density of the air as it leaves the nozzle.
Where necessary, assume air as an ideal gas and consider R = 287J/(kg.K), Cp = 1005 J/(kg.K), Cv = 718 J/(kg.K). A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2. The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and duringthis process, 5 kJ/kg heat is lost. (i) In analysing this nozzle using the 1st law of thermodynamics,the change in which type of energy is negligible? (ii) Determine the density and velocity of the air entering thenozzle. (iii) Calculate the density of the air as it leaves the nozzle.
The figure shows data for a portion of the ducting in a ventilation system operating at steady state. The ducts are well insulated and the pressure is very nearly 1 atm throughout. The volumetric flow rate entering at state 2 is AV2 = 4400 ft3/min. Assume the ideal gas model for air with cp = 0.24 Btu/lb·oR and ignore kinetic and potential energy effects. Determine the temperature of the air at the exit, in oF, and the rate of entropy production within the ducts, in Btu/min·oR.
Given : STEADY STATE COMPRESSOR INLET PRESSURE: IN LET VOLUMETRIC AIR Ask: is elbf/in² FLOW RATE 5 ft³/s POLY TROPIC GOES THROUGH DIAMETER (INCHES) OF FOR EXIT PRESSURE AND EXIT VELOCITY OF PROCESS Pv¹.5 = constant EXIT PIPE 160 lbf / in 2 145ft/s.
1. Where necessary, assume air as an ideal gas and consider R = 287 J/(kg.K), Cp = 1005 J/(kg.K), Cv = 718 J/(kg.K). a) A nozzle is a device that is used to increase the velocity of a fluid by varying the cross-sectional area. At the last section of a jet engine (Fig Q1.a, section 5), air with a mass flow rate of 50 kg/s at a pressure of 500 kPa and a temperature of 600 K enters a nozzle with an inlet cross-sectional area of 5 m2. The exit area of the nozzle is 20% of its inlet area. The air leaves the nozzle at a velocity of 300 m/s. The nozzle is not well-insulated and during this process, 5 kJ/kg heat is lost.Figure Q1.a: Schematic of a Jet engine.(v) Calculate the pressure of the air as it leaves the nozzle.

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m operating at steady state. The ducts a entering at state 2 is AV2 = 2000 ft³/mi nergy effects. n Air, Cp = 0.24 Btu/lb°R p=1 atm 3 Y = 400 f/min