Why Are Carnot Engines Not Built in Real Life? - Physics Forums
Dec 8, 2007 · The discussion highlights that Carnot engines are theoretical constructs that cannot be realized in practice due to their inherent limitations. Key reasons include the fact that they …
Efficiency of Two Carnot Engines Operating in Series
Jun 28, 2023 · A Efficiency of Two Carnot Engines Operating in Series SteveMaryland Jun 28, 2023 Calculations
Do Carnot and Stirling Engines Have the Same Efficiency?
Nov 27, 2018 · Hi, I have some doubts and questions about the above thermodynamic cycles. These questions arise from some statements I find in a couple of textbooks: "Physics, 10th …
Calculating work done by a Carnot engine • Physics Forums
Feb 25, 2018 · "A Carnot engine operates using a heat source at 500 °C, and a heat sink at room temperature (20 °C). Suppose that as a heat source, you use the combustion of 100 cubic feet …
What Is the Coefficient of Performance for a Carnot Engine Run as …
Dec 4, 2008 · The discussion revolves around calculating the coefficient of performance (COP) for a Carnot engine operating as a heat pump, given its efficiency of 50%. The relevant formula …
Efficiency of Stirling Cycle - Is it the same as the Carnot Engine?
Oct 10, 2024 · An engine will be a Carnot engine if all processes occur with the system and surroundings arbitrarily close to equilibrium. A Stirling engine cycle is not such an engine.
Solving a Carnot Engine Question: Power Output and Wasted …
Nov 22, 2008 · Homework Statement A heat engine operates in a Carnot cycle between 80 degrees C and 350 degrees C. It absorbs 21,000 J of energy per cycle from the hot reservoir. …
Carnot Engine with finite reservoirs - Physics Forums
Feb 16, 2014 · The discussion focuses on solving a homework problem related to a Carnot engine operating between two finite heat reservoirs. Participants are attempting to derive expressions …
Thermodynamics: Carnot Engine, WHY IS Qhot NEGATIVE?
Dec 15, 2010 · 1. A heat engine operating between 200°C and 80.0°C achieves 20.0% of the maximum possible efficiency. What energy input will enable the engine to perform 10.0 kJ of …
Finding the Exhaust Temperature of a Carnot Engine
Aug 28, 2010 · To find the exhaust temperature of a Carnot engine, the given parameters include a work output of 360 kW and a heat input of 720 kcal per second, with the heat source …