1.) A Carnot engine is coupled to a Carnot refrigerator so that all the work produced by the engine is used by the refrigerator in extraction of heat from a heat reservoir at 270K at the rate of 4 kJ/s. The source of energy for the Carnot engine is a heat reservoir at 500K. If both devise discard heat to the surrounding at 300K, a. How much heat does the engine absorb from the 500K reservoir? b. If the actual efficiency of the engine is n = ncarmot /1.5 and the COP = COPCame/1.5, how much heat does the engine absorb from the 500K reservoir?

1.) A Carnot engine is coupled to a Carnot refrigerator so that all the work produced by the engine is used by the refrigerator in extraction of heat from a heat reservoir at 270K at the rate of 4 kJ/s. The source of energy for the Carnot engine is a heat reservoir at 500K. If both devise discard heat to the surrounding at 300K, a. How much heat does the engine absorb from the 500K reservoir? b. If the actual efficiency of the engine is n = ncarmot /1.5 and the COP = COPCame/1.5, how much heat does the engine absorb from the 500K reservoir?

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

PLEASE ANSWER THIS QUESTION ASAP!!!
A new parabolic dish solar concentrator is being developed to supply electricity to a small remote community. The system operates with a Stirling engine connected to two heat reservoirs HR₁ and HR₂ as shown in Fig. Concentrated solar radiation Q˙ₛᵤₙ=200kW maintains HR₁ at constant temperature Tₕᵣ,₁=700℃, and a high performance heat sink device maintains HR₂ at temperature Tₕᵣ,₂=25℃. After some time of operation, an engineer working on the project realizes that the engine power output is performing below design specifications and only provides a power output of 120kW. After inspecting the system, they discover a contact resistance that causes the thermal communication between the two heat reservoirs and the engine to be imperfect in the sense that a finite temperature difference is required to establish heat transfer between each of the heat reservoirs and the engine. Assuming the engine itself is internally reversible, estimate the rate of entropy generation in the engine’s…
2. Find the thermal efficiency of a Carnot engine whose hot and cold bodies have temperatures of 154°C and 15°C respectively. (Ans. 32.55%)
Asap please
The capacity of a refrigerator is 200 TR when working between -4°C and 220C. Determine the mass of ice produced per day from water at 22°C. Also, find the power required to drive the unit. Assume that the cycle operates on reversed Carnot cycle and latent heat of ice is 336 Krkg.
A refrigerator absorbs 137 kJ/kg of heat from a cool compartment at -10°C and rejects heat to the kitchen air at 30 °C. The amount of work supplied to the refrigetator is 54 kJ/kg. i) Sketch the schematic diagram of the refrigerator system. ii) Calculate the COP of the refrigerator. iii) Determine whether this refrigerator is reversible, irreversible or impossible. iv) If the refrigerator is used as a heat pump, determine the COP of the heat pump.
HOW MUCH HEAT IS RELEASED BY THE REFRIGERATOR TO THE HOT RESERVOIR? (please only answer if you are 100% correct)(show work)
An inventor draws 25000 kJ/h of heat from a heat well at -30°C, which requires 1.2 kW of power. He claims to have developed a refrigeration cycle that dumps heat into the heat source at 20°C. environment There is no other energy transfer with Evaluate this claim.
The figure below shows a Carnot engine driving a Carnot refrigerator. If the heat input is 100 Joules and the hot and cold reservoirs are at 500K and 100K respectively, answer the questions that follow. (A). What is qc1 (in Joules)? Express answer in THREE SIGNIFICANT FIGURES? (B). What is qc2 (in Joules)? Express answer in THREE SIGNIFICANT FIGURES? (C). What is qh2 (in Joules)? Express answer in THREE SIGNIFICANT FIGURES? (D). What is W (in Joules)? Express answer in THREE SIGNIFICANT FIGURES? (E). What is the efficiency of the Carnot engine driving this Carnot refrigerator?
The capacity of a refrigerator is 200 TR when working between -4°C and 220C. Determine the mass of ice produced per day from water at 22°C. Also, find the power required to drive the unit. Assume that the cycle operates on reversed Carnot cycle and latent heat of ice is 336 Krkg.
I need a step by step solution please :)
Please consider an actual heat engine that was taking in steam at 700 °FF and 400 psia at the rate of 1.0 lbm/sec. The engine was rejecting steam at 500 F and 100 psia. The engine's efficiency was 32 % of the Carnot efficiency. 4. a. Please determine the efficiency for a Carnot Engine that was operating between Tiand T. of the actual engine. b. Please determine the power output of the actual engine in hp.