EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
9th Edition
ISBN: 9781119321453
Author: Sonntag
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
expand_more
expand_more
format_list_bulleted
Question
Chapter 4, Problem 4.94P
To determine
The compressor and turbine specific work and nozzle exit velocity.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
2. If 0.17 kg/s of air are compressed isothermally from Pi = 96 kPaa and V, = 0.13
m/s to p2 = 620 kPaa, find the work, the change of entropy, and heat for: a) a
nonflow process, and b) a steady flow process with V1 = 15 m/s and V2 = 60
%3D
%3D
m/s.
3. An adiabatic compressor takes argon from 100 kPa, 300 K to 2000 kPa. The compressor
efficiency is 80%.
(a) Find the outlet temperature (K) and the work (kJ/kg)
(b) Find the entropy generation (kJ/kg-K)
Thermodynamics
There is a rigid tank initially with water in a
critical state, which after a heat transfer
process reaches a pressure of 1 psia. The
surrounding temperature is 1540°F. Find the
total entropy change. Please draw a scheme.
Chapter 4 Solutions
EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
Ch. 4 - A temperature difference drives a heat transfer...Ch. 4 - What is the effect can be felt upstream in a flow?Ch. 4 - Prob. 4.3PCh. 4 - Air at 500 kPa is expanded to l00 kPa in two...Ch. 4 - A windmill takes out a fraction of the wind...Ch. 4 - An underwater turbine extracts a fraction of the...Ch. 4 - A liquid water turbine at the bottom of a dam...Ch. 4 - You blow a balloon up with air. What kinds of work...Ch. 4 - Storage tanks of cryogenic liquids (O2,N2,CH4) are...Ch. 4 - A large brewery has a pipe of cross-sectional area...
Ch. 4 - A pool is to be filled with 60m3 water from a...Ch. 4 - Prob. 4.12PCh. 4 - Prob. 4.13PCh. 4 - A boiler receives a constant flow of 5000kg/h...Ch. 4 - Prob. 4.15PCh. 4 - Liquid water at 15°C flows out of nozzle straight...Ch. 4 - A nozzle receives an ideal gas flow with a...Ch. 4 - Prob. 4.18PCh. 4 - Prob. 4.19PCh. 4 - The wind is blowing horizontally at 30m/s in a...Ch. 4 - Prob. 4.21PCh. 4 - A meteorite hits the upper atmosphere at 3000m/s ,...Ch. 4 - Carbon dioxide is throttled from 20C,2000kPa to...Ch. 4 - Saturated liquid R-410A at 25°C is throttled to...Ch. 4 - Carbon dioxide used as a natural refrigerant flows...Ch. 4 - Liquid water at 180C,2000kPa is throttled into a...Ch. 4 - Methane at 1MPa,250K is throttled through a valve...Ch. 4 - Prob. 4.28PCh. 4 - A steam turbine has an n1et of 3kg/s water at 1200...Ch. 4 - Air at 20m/s,1500K,875kPa with 5kg/s flows into a...Ch. 4 - Solve the previous problem using Table A.7.Ch. 4 - A wind turbine can extract at most a fraction...Ch. 4 - Prob. 4.33PCh. 4 - A liquid water turbine receives 2kg/s water at...Ch. 4 - A small high-speed turbine operating on compressed...Ch. 4 - Prob. 4.36PCh. 4 - What is the specific work one can get from Hoover...Ch. 4 - Prob. 4.38PCh. 4 - R-410A in a commercial refrigerator flows into the...Ch. 4 - A compressor brings nitrogen from 100kPa,290K to...Ch. 4 - A refrigerator uses the natural refrigerant carbon...Ch. 4 - Prob. 4.42PCh. 4 - A compressor brings R-134a from...Ch. 4 - Prob. 4.44PCh. 4 - An exhaust fan in a building should be able to...Ch. 4 - Prob. 4.46PCh. 4 - The air conditioner in a house or a car has a...Ch. 4 - A boiler section boils 3kg/s saturated liquid...Ch. 4 - A superheater takes 3kg/s saturated water vapor in...Ch. 4 - Prob. 4.50PCh. 4 - Carbon dioxide enters a steady-state, steady-flow...Ch. 4 - Prob. 4.52PCh. 4 - A chiller cools liquid water for air-conditioning...Ch. 4 - Prob. 4.54PCh. 4 - Prob. 4.55PCh. 4 - Prob. 4.56PCh. 4 - Liquid nitrogen at 90K,400kPa flows into a probe...Ch. 4 - Liquid glycol flows around an engine, cooling it...Ch. 4 - An irrigation pump takes water from a river at...Ch. 4 - A pipe from one building to another flows water at...Ch. 4 - A river flowing at 0.5m/s across a 1-m-high and...Ch. 4 - Prob. 4.62PCh. 4 - A cutting tool uses a nozzle that generates a...Ch. 4 - Prob. 4.64PCh. 4 - Prob. 4.65PCh. 4 - Prob. 4.66PCh. 4 - Prob. 4.67PCh. 4 - Prob. 4.68PCh. 4 - Prob. 4.69PCh. 4 - Prob. 4.70PCh. 4 - Prob. 4.71PCh. 4 - Steam at 500kPa,300C is used to heat cold water at...Ch. 4 - A dual-fluid heat exchanger has 5kg/s water...Ch. 4 - Prob. 4.74PCh. 4 - Prob. 4.75PCh. 4 - In a co-flowing (same-direction) heat exchanger,...Ch. 4 - An a water counter flowing heat exchanger has one...Ch. 4 - An automotive radiator has glycol at 95°C enter...Ch. 4 - Prob. 4.79PCh. 4 - Prob. 4.80PCh. 4 - Prob. 4.81PCh. 4 - Prob. 4.82PCh. 4 - Prob. 4.83PCh. 4 - A de-superheater has a flow of ammonia of 1.5kg/s...Ch. 4 - Prob. 4.85PCh. 4 - A geothermal supply of hot water at 500kPa,150C is...Ch. 4 - Prob. 4.87PCh. 4 - Prob. 4.88PCh. 4 - A flow of 5kg/s water at l00kPa,20C should be...Ch. 4 - A two-stage compressor takes nitrogen ri at...Ch. 4 - The intercooler in the previous problem uses cold...Ch. 4 - Prob. 4.92PCh. 4 - A modern jet engine has a temperature after...Ch. 4 - Prob. 4.94PCh. 4 - Prob. 4.95PCh. 4 - Prob. 4.96PCh. 4 - An initially empty canister of volume 0.2m3 is...Ch. 4 - Repeat the previous problem but use the line...Ch. 4 - A tank contains 1m3 air at 100kPa,300K . A pipe...Ch. 4 - Prob. 4.100PCh. 4 - A 2.5L tank initially is empty, and we want to...Ch. 4 - An insulated 2m3 tank is to be charged with R-134a...Ch. 4 - Repeat the previous problem if the valve is closed...Ch. 4 - A 3m3 ? cryogenic storage tank contains nitrogen...Ch. 4 - Prob. 4.105PCh. 4 - Prob. 4.106PCh. 4 - Prob. 4.107PCh. 4 - A 1-L can of R-410A is at room temperature, 20°C,...Ch. 4 - Steam at 3MPa,400C enters a turbine with a...Ch. 4 - Prob. 4.110PCh. 4 - Assume a setup similar to that of the previous...Ch. 4 - Prob. 4.112PCh. 4 - Three a flows, all at 200 kPa, e connected to the...Ch. 4 - A 1m3,40kg rigid steel tank contains air at 500...Ch. 4 - Prob. 4.115PCh. 4 - Prob. 4.116PCh. 4 - Prob. 4.117PCh. 4 - Prob. 4.118PCh. 4 - Prob. 4.119PCh. 4 - A flow of 2kg/s of water at 500kPa,20C is heated...Ch. 4 - Refrigerant R-410A at l00psia,60F flows at...Ch. 4 - A pool is to be filled with 2500ft3 water from a...Ch. 4 - Prob. 4.123EPCh. 4 - Liquid water at 60 F flows out of a nozzle...Ch. 4 - Prob. 4.125EPCh. 4 - Prob. 4.126EPCh. 4 - Prob. 4.127EPCh. 4 - Nitrogen gas flows into a convergent nozzle at...Ch. 4 - A meteorite hits the upper atmosphere at 10000ft/s...Ch. 4 - Refrigerant R-410A flows out of a cooler at...Ch. 4 - Prob. 4.131EPCh. 4 - Saturated vapor R-410A at 75 psia is throttled to...Ch. 4 - A wind turbine can exact at most a fraction 16/27...Ch. 4 - A liquid water turbine receives 4Ibm/s water at...Ch. 4 - Prob. 4.135EPCh. 4 - What is the specific work one can get from Hoover...Ch. 4 - A small-speed turbine operating on compressed air...Ch. 4 - R.410A in a commercial refigerator flows into the...Ch. 4 - Prob. 4.139EPCh. 4 - An exhaust fan in a building should be able to...Ch. 4 - Carbon dioxide gas enters a steady-state,...Ch. 4 - Prob. 4.142EPCh. 4 - Prob. 4.143EPCh. 4 - Liquid glycol flows around an engine, cooling t as...Ch. 4 - Prob. 4.145EPCh. 4 - Prob. 4.146EPCh. 4 - Prob. 4.147EPCh. 4 - Do the previous problem if the water is just...Ch. 4 - A dual-fluid heat exchanger has l0Ibm/s water...Ch. 4 - Steam at 80psia,600F is used to heat cold water at...Ch. 4 - Prob. 4.151EPCh. 4 - Two flows of air are both at 30 psia one has...Ch. 4 - A de-superheater has a flow of ammonia of 3Ibm/s...Ch. 4 - Prob. 4.154EPCh. 4 - A two-stage compressor takes nitrogen n at...Ch. 4 - The intercooler in the previous problem uses cold...Ch. 4 - Prob. 4.157EPCh. 4 - Prob. 4.158EPCh. 4 - A tank contains l0ft3 of air at 15psia,540R . A...Ch. 4 - Prob. 4.160EPCh. 4 - Prob. 4.161EPCh. 4 - Prob. 4.162EPCh. 4 - Prob. 4.163EPCh. 4 - Prob. 4.164EP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The power of a steam turbine in a thermal power plant is 60 MW. Water vapor enters the turbine at 3MPa pressure, 4000C temperature and 50 m / s speed, 10 kPa pressure, 0.9 dry degree and 200 m / s speed leaves the turbine. Considering the turbine as adiabatic; 1-Find the mass flow of steam 2-Find the turbine outlet cross-sectional area, its ratio (A2 / A1) to the inlet cross-sectional area.arrow_forwardSteam expands adiabatically in a turbine from 2 MPa, 400C to 400 kPa, 250C. What is the effectiveness of the process in percent assuming an atmospheric temperature of 15C. Neglect changes in kinetic and potential energy. (Steam properties h, kJ/kg, s, kJ/kg-K: At 2.0 MPa and 400C; h = 3247.6 s = 7.1271; At 400 kPa & 250C, h= 2964.2, s= 7.3789)arrow_forwardthermodynamics A steam enters the system with enthalpy of 3300 KJ/kg at 200 m/sand leaves with enthalpy at 2700 KJ/kg at 80 m/s. Find the work outputof the turbine.arrow_forward
- 1. A closed tank, V = 10 L, containing 5 kg of water initially at 25 °C, is heated to 150 ° C by a heat pump that is receiving heat from the surroundings at 25 ° C. Assume that this process is reversible. Find the heat transfer to the water and its change in entropy.arrow_forwardAir enters a diffuser at 50 kPa, 85°C with a velocity of 250 m/s. The exit pressure is atmospheric at 101 kPa. The exit temperature is 110°C. The diameter at the inlet is 8 cm.a. Find the exit velocity.b. Find the diameter at the exit.Note: Assume constant specific heats.arrow_forward5- Nitrogen gas flows into a convergent nozzle at 200 kPa, 400 K and very low velocity. It flows out of the nozzle at 100 kPa, 330 K. If the nozzle is insulated, find the exit velocity. a- 222 m/s b- 382 m/s c- 512 m/s d- 640 m/s AU-0 means that the process is isothermal?arrow_forward
- Helium at 660 K expands in a turbine to 369 K during which 84 kJ/kg of heat was lost to the surroundings which are at 27 oC. The pressure across the turbine was 6.0, What is the magnitude of entropy generation (kJ/kg.K)?arrow_forwardAir as ideal gas in the closed system, find the change of entropy from the initial to the final state, in Btu/lb oR ( degree R ). T1 = 360 oF (degree F), P1 = 14.7 psia T2 = 540 oF (degree F), P2 = 58.8 psiaarrow_forward3) A cup of rather dilute hot tea initially at 140 degrees F is served to a customer at Howard Johnson's. Unfortunately, before they get around to drinking it, it has spontaneously cooled off to 200 0 100 degrees F. Calculate the change in this process. The temperature of the entropy of the universe for restaurant (the surroundings) is 70 degrees F. (DHD 2/6/22) Suppose that the heat has problem 3, in order to save the inside temperature is been turned off in the HoJo's in money in the cold winter months, and 32 degrees F. The hot tea cools from HOWARD 140 degrees F to 32 degrees F, and then freezes, making it JOHNSON'S impossible to drink. What is the change in entropy of the universe in this case? (DHD 2/6/22) LCE CREAM 28 FLAVORS Restaurant Return to problem 3. Suppose that our customer complains about the cold tea and is given a second cup of hot tea. Feeling especially hungry (for tea?) they mix the hot tea and the cold tea together so that they will have twice as much tea (albeit…arrow_forward
- A turbine, operating under steady- flow conditions, reccives 1000 kg/min of stcam. At the inlet, the pressure is 30 bar, the temperature is 400°C, the velocity At the exit, the pressure is 0.7 bar, the quality is (100%), and the velocity is 100 m/s. If the turbine produced a power output of 9300 KW. By using the energy balance of open system with sutable tables, answer the following: (a) What are the main assumptions ? (b) Calculate dh, AKe ? (c) Calculate the rate of heat transfer between the turbine and surroundings, in kW.arrow_forwardProblem 4.01. A carnot refrigerator (carnot cycle heat pump in reverse) operating between Th and Te is used to cool and freeze a bottle of water, volume V, at a temperature To < Th to freezing temperature T (known density Pw, heat capacity cw). (a) Find the work required to cool and freeze the water. (b) Find the change in entropy in the heat baths, and use it to place a limit on the change in entropy of the water (without calculating the entropy change in the water). The C.O.P. of a carnot refrigerator: KR= Qc = W Te Th-Tearrow_forwardSteam to a turbine at a mass flow rate of 1.4 kg/s, 700 kPa pressure and 400 °C enters the temperature. Steam at 100 kPa pressure and 1.4 m3/kg specific volume exits the turbine. Heat transfer from turbine to environment 50 kW, with turbine Since the boundary temperature between the environment is 70 °C, a) Find the power produced by the turbine, entropy produced in the turbine and isentropic efficiency of the turbine. Note: The changes in kinetic and potential energies will be neglected and T (K) = 273 + °C will be taken.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Extent of Reaction; Author: LearnChemE;https://www.youtube.com/watch?v=__stMf3OLP4;License: Standard Youtube License