H.W1: Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and30 m/s and leaves at 100 kPa and 180 m/s. The inlet area ofthe nozzle is 80 cm2. Determine (a) the mass flow ratethrough the nozzle, (b) the exit temperature of the air, and (c)the exit area of the nozzle.

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Answered: H.W1: Air enters an adiabatic nozzle…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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HANDWRITTEN AND THE FINAL ANSWER SHOULD BE IN ENGLISH SYSTEM A process innovated by Engr. Santioque is considered to be in a constant pressure. If there is ten kilograms of air has a decrease of internal energy of 55 BTU while its Fahrenheit temperature is reduced to one fifth of the initial temperature during a reversible non flow process. Determine (a) the initial and final temperatures, (b) heat, (c) work, and (d) the change in entropy.
. Steam at an initial enthalpy of 100 kJ/kg and inlet velocity of 100 m/s, enters an insulated horizontal nozzle. It leaves the nozzle at 200 m/s. Determine the exist enthalpy (in kJ/kg).
Rate of entropy generation
1. Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500°C, and 80 m/s, and the exit conditions are 30 kPa, 92% quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Develop the mass and energy balance for this situation. Then, determine (a) the change in kinetic energy, (b) the power output, and (c) the turbine inlet area. Provide all evidence (referred tables, equations used, etc.) to support your answers. P = 4 MPa T = 500°C V = 80 m/s Steam m = 12 kg/s W out P2 = 30 kPa X2 = 0.92 V2= 50 m/s
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. An adiabatic air compressor compresses 10.4 L/s of air at 120 kPa and 20°C to 1000 kPa and 300°C. The constant pressure specific heat of air at the average temperature of 160°C = 433 K is cp= 1.018 kJ/kg.K. The gas constant of air is R = 0.287 kPa.m³/kg-K. 1 MPa 300°C Compressor 120 kPa 20°C Vus Determine the work required by the compressor. (You must provide an answer before moving on to the next part.) The work required by the compressor is -4.578 kJ/kg.
Water steam flows steadily through an adiabatic turbine. The inlet conditions of steam are 1.0 x 106 Pa and 600°C, one of the exit conditions is 7.5 x 10³ Pa. Assuming the process is isentropic, determine (with the help of the steam table): (a) the temperature of the steam at the exit (K). (b) the quality of the steam at the exit (%). (c) the specific enthalpy of the steam at the exit (kJ/kg). (d) the work done per unit mass by the turbine (kJ/kg).
During a reversible process, 2.07 kg/s of gas rejects 336.8 kJ/s of heat isothermally at 24.9°C. For this gas, c, = 2.14 kJ/kg K and c, = 1.62 kJ/kg K. The initial pressure is 552.3 kPa. Determine the work steady flow of the process in hp if APE = 2.8 kJ/s and AKE = 6.5 kJ/s.
H2 A steam turbine that operates in a reversible and adiabatic way, processes 0.25 kg/s of water vapor at 800 kPa. Steam leaves the turbine at 50 kPa and 100 °C. Determine:a) the temperature at which the steam enters(b) the work per unit mass produced by this turbine.

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H.W1: Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle.