H2O flows through a reversible adiabatic turbine. The inlet condition is 1000 F and 400 psia. The outlet condition is 10 psia. The turbine produces 100 hp. Neglecting kinetic and potential energy a. Draw the process curve on a T-s diagram. Show the saturation dome and label the inlet and exit states b. Find the enthalpy and entropy at the inlet c. Find the enthalpy at the exit d. Compute the mass flow rate e. Compute the rate of entropy generation

H2O flows through a reversible adiabatic turbine. The inlet condition is 1000 F and 400 psia. The outlet condition is 10 psia. The turbine produces 100 hp. Neglecting kinetic and potential energy a. Draw the process curve on a T-s diagram. Show the saturation dome and label the inlet and exit states b. Find the enthalpy and entropy at the inlet c. Find the enthalpy at the exit d. Compute the mass flow rate e. Compute the rate of entropy generation

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

3. If 10 kg/min of air are compressed isothermally from p1 = 96 kpa and V1 = 7.65 m3/min to p2 = 620 kpa, find the work, the change of entropy, and the heat for (a) nonflow process and (b) a steady flow process with v1 = 15 m/s and v2 = 60 m/s.
Isopiestic process: While the pressure remains constant at 689.5 KPa the volume of a system of airchanges from 0.567 m 3 to 0.283 m 3 . What are a) change of internal energyb) change of enthalpy, c) heat, d) change of entropy, e) If the process is non flowand internally reversible, what is the work?
Steam expands adiabatically in a nozzle from inlet conditions of 130(psia), 420(°F),and a velocity of 230(ft)(s)−1 to a discharge pressure of 35(psia) where its velocity is2000(ft)(s)−1. What is the state of the steam at the nozzle exit, and what is SG for theprocess?
Compute the change in specific entropy when helium, initially at a temper-ature of 273 K and a pressure of 100 kPa, undergoes the following processes: a.An isochoric process with final pressure 250 kPa b.By computing the change in specific entropy, determine whether it is possible foran adiabatic process to bring the gas to a final temperature of 200 K and a densityof 0.3 kg/m3. If not, why not? And if so, how could it be done?
There are required 2000 kW of compressor power to handle air adiabaticallyfrom 1 atmosphere, 27 oC, to 305 kPaa. The initial air velocity is 20 m/s and the finalvelocity is 85 m/s. a) If the compression is isentropic, find the compressor capacity, inm3/s. b) If the compression process is irreversible adiabatic to a temperature of 160 oC,with the capacity found in c), determine the compressor power input, in Hp.
In a house, room temperatures are desired to be kept constant at 21 ° C. For this purpose, the temperature of the water entering the radiator with a flow rate of 5 kg / min is initially 90 ° C (saturated liquid), but drops to 70 ° C at the radiator outlet. According to this;a) entropy change of waterb) The entropy change of the roomc) Calculate the total entropy change.
Methane at 2760 kPa and -6.31 ℃ is compressed in steady-state adiabatic compressor (85% efficient) to 11.5 MPa and 251 ℃ . Determine : (a) How many kW are required if the flow is to be 17.5 kmol/hr (b) The rate entropy generation in Joules per second and degrees K.
Steam enters a turbine at a mass flow rate of 1.4 kg/s, a pressure of 700 kPa and a temperature of 400 °C. Steam comes out of the turbine at a pressure of 100 kPa and a specific volume of 1.4 m3/kg. Since the heat transfer from the turbine to the environment is 50 kW, the boundary temperature between the turbine and the environment is 70 °C,a) Find the power produced by the turbine.b) Calculate the entropy produced in the turbine.c) Find the isentropic efficiency of the turbine.Note: Changes in kinetic and potential energies will be neglected and T (K) = 273 + °C will be taken.
An ideal gas with a mass of 2 kg reversibly and polytropically expands up to 3 times its initial volume in a piston-cylinder assembly. The temperature of the ideal gas drops from 300 ° C to 60 ° C. a) Find the value k, which is the ratio of specific heats. b) If the heat energy input is 20 kJ, the boundary work output is 100 kJ and the entropy generation is 0.36 kJ / K, calculate the thermal energy source temperature as [° C].
A curious blacksmith forge 1 kg of iron then dropped it to an insulated container that contains 50 liters of water. Before dropping the iron into the insulated container, the blacksmith measures the temperature of iron and water as 500 °C and 20 °C, respectively. This curious blacksmith is always interested in thermodynamics and tries to calculate equilibrium temperature and the total entropy change because of his/her action. What will be the equilibrium temperature and the total entropy change? Is this process reversible or irreversible? (Density and specific heat of water at 20 °C are 995.10 kg/m3 and 4.16 kJ/kg.C, respectively. Assume that the specific heat capacity of iron is 0.5 kJ/kg.C)
Find enthalpy if 5kg of certain gas go through a reversible non flow that has constant pressure process from initial volume 2.129m³ and pressure of 700 kPa to a state where T₂ = 550°C. A certain gas has R-350J/kg-K and Cv 0.94 kJ/kg-K
Draw Pv and Ts diagram of reversible isentropic process. Write the relationship betweenthermodynamic properties. clear writing please