EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
9th Edition
ISBN: 9781119321453
Author: Sonntag
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 5, Problem 5.68P
Consider the previous problem and assume the temperatures and heat input are as given. If the actual machine has an efficiency that is half that of the corresponding Carnot cycle, find the work out and the rejected heat transfer.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Find the COP of heat pump operating between 300 K and 600K temperature. If the same temperature ranges are used in heat engine, find the efficiency.
Q.7
The COP of the heat pump is found to be
5.62, and the heat pump operates with the
source at 25°C, while the heat absorbed
is 2.12 kW. What is the amount of heat
rejected ?
Carnot machine operates between a hot reservoir at 200°C and a cold reservoir at 20°C. When operated as an engine it receives 1000 kJ/kg, find the work output in kJ/kg.
Chapter 5 Solutions
EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
Ch. 5 - Prob. 5.1PCh. 5 - A windowmounted air conditioner removes 3.5kJ from...Ch. 5 - Prob. 5.18PCh. 5 - R410A enters the evaporator (the cold beat...Ch. 5 - A large heat pump should upgrade 4MW of heat at...Ch. 5 - A car engine 5g/s fuel (equivalent to addition of...Ch. 5 - Prob. 5.45PCh. 5 - R134a fills a 0.1m3 capsule at 20°C, 200kPa. It is...Ch. 5 - Air in a piston/ cylinder goes through a Carnot...Ch. 5 - Consider the previous problem and assume the...
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
- Heat is transferred to a heat engine from a fumace at a rate of 120KW. If the rate of waste heat rejection to a nearby river is 50000W. Find the net Power output and the thermal efficiency for this heat engine.arrow_forwardWhat is the maximum efficiency of heat engine working between 1500K and 300K temperature. If such engine generates 320 kW of work after extracting 700 kJ/s heat from 1500K source, find the second law efficiency.arrow_forwardQ.4 Two heat engines are connected in series in st such a way that rejected heat of 1° engine is directly feed to 2'1d engine. If the source temperature is 1600 K and sink temperature is 400 K. Then calculate intermediate temperature If both the engine produces the same work. A 800 K B 1000 K 600 K D None of the abovearrow_forward
- Find the COP of refrigerator working between temperatures 350 K and 1050 K. What will be efficiency of heat engine operating in same temperature range?arrow_forwardA heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 C and deliver energy to a boiler that operates at constant pressure and saturation temperature of 130 c°. The water enters the boiler as saturated liquid and leaves as saturated vapor at the same temperature. The heat pump operates with a COP (coefficient of performance) that is 70% of a Carnot heat pump COP. Find: 1- the maximum mass flow rate of water the system can deliver 2- the heat received from the cold source Q boiler mwater +Www TH VHP - w 2.5 MW TL=80°Carrow_forwardA heat engine of 30% efficiency drives a heat pump of COP 5. The heat is transferred both from engine and the heat pump to circulating water for heating the building in winter. Find the ratio of heat transfer to the circulating water from heat pump to the heat transfer to the circulating water from the heatarrow_forward
- 3.0 A cold storage is to be maintained at -5°C while the surroundings are at 35°C. The heat leakage from the surroundings into the cold storage is estimated to be 28 kW. The actual C.O.P. of the refrigeration plant used is one fourth that of an ideal plant working between the same temperatures. Find the power required to drive the plant.arrow_forwardSolve ASAP, A cycle heat engine does 50 kJ of work per cycle If the efficiency of the heat engine is 75%. Calculate the heat rejected per cycle.arrow_forward3.0 A cold storage is to be maintained at -5°C while the surroundings are at 35°C. The heat leakage from the surroundings into the cold storage is estimated to be 30 kw. The actual C.O.P. of the refrigeration plant used is one third that of an ideal plant working between the same temperatures. Find the power required to drive the plant.arrow_forward
- A Camot engine operates between 12000F and 1000F and rejects 40 Btu to the low temperature heat reservoir. Find the net work.arrow_forwardProvide given and manual step by step solution for below problem. The heat added in a Carnot cycle is 1000 KW and heat rejected is 600KW. If minimum temperature is 30 deg C, find the maximum temperature cycle.arrow_forwardA heat pump shown is driven by 2.5 MW motor and receives heat from a source at 80 C and deliver energy to a boiler that operates at constant pressure and saturation temperature of 130 C. The water enters the boiler as saturated liquid and leaves as saturated vapor at the same temperature. The heat pump operates with a COP (coefficient of performance) that is 70% of a Carnot heat pump COP. Find: 1- the maximum mass flow rate of water the system can deliver 2- the heat received from the cold source Q, boiler mwater eb TH V HP 2.5 MW TL=80°Carrow_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 Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering 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
Thermodynamic Availability, What is?; Author: MechanicaLEi;https://www.youtube.com/watch?v=-04oxjgS99w;License: Standard Youtube License