Required informationProblem 05.042 - Nozzle flowAir enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 45 m/s and leaves at 110.0 kPa and 180 m/s. The inlet areaof the nozzle is 110 cm². The gas constant of air is 0. 287 kPa m³/kg K. The specific heat of air at the anticipatedaverage temperature of 450 K is cp 1.02 kJ/kg C.P₁ = 300 kPaT₁=200°CV₁ = 45 m/sA₁ = 110 cm²AirP2 kPaV2=180 m/sProblem 05.042.c - Nozzle flowDetermine the exit area of the nozzle. (Round the final answer to three decimal places.)The exit area of the nozzle iscm².

Answered: Required information Problem 05.042 -…

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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Air enters a diffuser of a jet engine at T₁ °C, 90kPa and a velocity of V₁ m/s. If the inlet diameter of the diffuser is 0.71 m, the output temperature of the air is 300 (K), and the output temperature is 5 m/s, Determine (a) the input temperature of the air entering the diffuser, (b) the mass flow rate of the air. Table 2: Data for question 2. Student ID terminated in 0 or 5 V₁ (m/s) 200.0
V S Air is compressed polytropically from 101 kPa and 23°C and delivered to a tank at 1500 kPa and 175°C. Determine per kilogram of air (a) the value of n. b) power need in KW for 1 kg/sec of air. Useful data: k of air = 1.4, Rair= 0.287 KJ/Kgm-K; k of He = 1.66, RHe = 2.078 KJ/Kgm-K 5.a 5.b P T S
A gas enters a turbine at an inlet state of 800 kPa. The gas expands and leaves the turbine atan outlet state of 100 kPa and 497 Celcius. The amount of heat transferred out from the turbine tothe surrounding is 10 kJ/kg. The surrounding is at a temperature of 28 Celcius. The actual workoutput from the turbine is 484 kJ/kg. Properties of the gas: R = 0.287 kJ/kg.K;cp = 1.138 kJ/kg.K; cv = 0.851 kJ/kg.K; k = 1.337; i) Write the energy balance equation for the turbine and state your assumptions.ii) Determine the temperature of the gas at the turbine inlet, K.iii) Determine the entropy generation, sgen during the expansion process, kJ/kg.K.iv) Is the expansion process possible? Briefly explain your answer.v) Determine the isentropic efficiency of the turbine, %.
It is proposed that a nozzle receive air at 2 m/s, 300 K, and 150 kPa, attemperature of 280 K, and a velocity of 100 m/s. The mass flow rate is 0.1 kg/s. The surface of the nozzle is kept at 270 K. Assuming that the air behaves as an ideal gas with constant specific heats. Is this process possible?Given: Vel1 = 2 m/s, T1 = 300 K, P1 = 150 kPa, Vel2 = 100 m/s, T2 = 280 K, P2 = 110 kPa, dm/dt = 0.1 kg/s, Cp,air = 1.005 kJ kg-1 K-1
Air is compressed in an adiabatic compressor. Inlet and outlet conditions are 120kPa, 30 oC and 20 m/s; 1.4 MPa, 530 oC and 80 m/s. The surrounding air temperature is 25 oC. The inlet cross-sectional area is 0.013 m2. Assume Cp = 1005 J/kgK, R = 287 J/kgK, k = 1.4. Enter the amount of heat loss due to irreversibility resulting from the heat transfer from the compressor in kW (correct up to one decimal place.)
Plz help w all
Q1-A diffuser receives Argon (cp=0.52kJ/kgK) at 100 kPa, 300K and 250m/s and the exit velocity is 25m/s. Determine the exit temperature? O The exit temperature = 217 K The exit temperature = 62031 K The exit temperature = -61719 K The exit temperature = 359.5 K This is a required question
Apply SFEE for the steam nozzle used in the steam powerplant and determine the outlet velocity of the steam using thefollowing details.Steam at 18 bar and 350°C steadily enters a nozzle whose inletarea is 200 cm2. The mass flow rate of the steam is 4.5 g/s. Heatlosses from the nozzle per unit mass of the steam are estimatedto be 2.8 kJ/kg. Steam leaves the nozzle at 14 bar, 300 °C.Determine the outlet velocity of the steam.
Air (MW=29 kg/kmol) at 115.00 kPa and 285.00 K is compressed steadily to 600.0 kPaThe mass flow rate of the air is 2.00 kg/s and a heat loss of 32.1 kW occurs during the process. You may assume that changes in kinetic and potential energy are negligible, the temperature of the surroundings is 25 ∘C and that the CP of air is 3.5 R. Given the compressor operates with a second law (reversible) efficiency of 0.60, calculate the following. What is the actual work interaction term? What is the actual exit temperature of the air?
Consider that a flow of air with a velocity of 270 m/s enters an adiabatic diffuser at a pressure of 60 kPa and a temperature of 7°C and exits the diffuser at a pressure of 85 kPa and a temperature of 27°C. Use variable specific heat approach to indicate the air properties. Calculate the ratio of the inlet area to the exit area of the nozzle. A. 0.525 B. 1.254 O C. 0.886 O D. 0.356 E. 0.215
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