
Maximum theoretical efficiency of internal combustion engine
Since the temperature of the cold sink is ambient temperature, and can't be changed, the only way to increase the thermodynamic efficiency of an internal combustion engine is to increase …
Are internal combustion engines more efficient on cold days?
Jan 29, 2015 · The effect on efficiency is more difficult to predict, but theoretical analysis of the otto cycle predicts it should be higher at cold temperatures. For short journeys a cold engine …
Can IC engines be modeled as Carnot engines? - Physics Stack …
Jun 19, 2023 · In the "talk" tab for Wikipedia Heat Engine article, someone is questioning whether an internal combustion engine can be modeled as a heat engine - and therefore is limited or is …
Human as a heat engine - Physics Stack Exchange
Mar 28, 2013 · The difference is in how this chemical energy is used. In the case of an internal combustion engine, it's done in two steps: first, the fuel is burnt with oxygen to produce heat, …
Why don't we use rocket engines in cars? - Physics Stack Exchange
Aug 19, 2021 · Internal combustion engines get less and less efficient with higher speed just due to the kinetic energy equation (a unit of fuel produces a unit of velocity^2), while rocket …
Why is the efficiency of human cells less than the efficiency of an ...
Jun 29, 2016 · Internal combustion engines lose yet more energy in the form of unburnt fuel in the exhaust, internal friction, and losses in the transmission. The 18% to 26% efficiency figure is …
How efficient is the human body? - Physics Stack Exchange
23 This question sort of comes to mind when hearing how efficient an internal combustion engine is turning chemical energy in mechanical energy (something like 20-40%) with lots of excess …
Heated and cooled air effects on combustion [duplicate]
In a turbocharged engine, an intercooler is installed to cool down the compressed air (apparently for better combustion). In contrast, in the power plant they use air preheater to heat up the air b...
thermodynamics - Reaction entropy in internal combustion …
Sep 1, 2021 · 0 In air-standard analysis of internal combustion engines, the combustion phase is modeled as a heat input providing an energy corresponding to the reaction enthalpy.
How can I get 100% fuel efficiency from an IC Engine in a car?
Apr 21, 2016 · I understand that the current technology of internal combustion (IC) engines gives about 20% for a normal car. I want to understand what I can do to achieve 100% or near 100% …