Can Jet Engines Run Without Gasoline?

  • Thread starter Thread starter BigFly
  • Start date Start date
  • Tags Tags
    Engines Jet
Click For Summary

Discussion Overview

The discussion centers around the feasibility of operating jet engines without gasoline, exploring alternative fuels and methods to enhance performance and efficiency. It includes considerations of different fuel types, their properties, and the implications for jet engine operation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant questions whether jet engines can run without gasoline and asks about alternative fuels that might provide more propulsion or longer flight times.
  • Another participant clarifies that jet engines typically do not use gasoline, but rather a fuel similar to kerosene.
  • A participant references historical attempts to enhance jet fuel with additives like Boron for increased energy, although they note that such methods faced technical challenges and were not widely adopted.
  • It is suggested that without a fuel source, there would be no means to accelerate airflow through the engine, emphasizing the necessity of an energy source for operation.
  • One participant warns against using gasoline in turbine engines due to its volatility and potential for explosion, while noting the ongoing research into various fuels with differing energy contents and operational parameters.
  • Another participant mentions that hydrogen can be used as a fuel source for jet engines.
  • A participant introduces the concept of water injection as a method to enhance performance, drawing parallels between gas turbines and internal combustion engines.

Areas of Agreement / Disagreement

Participants generally agree that a fuel source is necessary for jet engine operation, but multiple competing views exist regarding the types of fuels that can be used and their implications for performance. The discussion remains unresolved regarding the best alternatives to traditional fuels.

Contextual Notes

There are limitations in the discussion regarding the specific conditions under which different fuels might be effective, as well as the technical challenges associated with alternative fuel sources. The exploration of water injection and its effects on performance is also not fully elaborated.

Who May Find This Useful

This discussion may be of interest to individuals exploring alternative fuels in aviation, those studying jet engine technology, or anyone curious about the operational principles of jet engines.

BigFly
Messages
8
Reaction score
0
I don't know a lot about jet engines and how they exactly work but is it possible to run a jet engine without gasoline? Are there any different fuels that can be used for the engine to give more propulsion or give it more time in the air?
 
Physics news on Phys.org
Typically jet engines do NOT run on gasoline. They burn something close to kerosene.
 
Last edited:
Without a fuel, there is nothing in the cycle that would really accelerate the flow through the engine. You have to have some kind of energy source.

You wouldn't want to play around with gasoline in a turbine. It has a tendency to explode. It's too volatile. The fuels arena is a very active area of research. The current state of the art really has different fuels with different energy contents and operational parameters to allow the particular vehicle to operate in its required regime. It does play a role in overall efficiency. However, like the internal combustion engines in cars, one runs into the same problem of finding anything better in terms of energy content per unit mass of fuel.
 
you can run a jet engine on hydrogen as a fuel source
 
As said you need a fuel, however you can use water to increase performance. Google water injection.

Gas Turbines work very similarily to your car's engine, except certain steps happen at constant pressure rather than volume and vice versa, and of course it's continual.
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
5K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 11 ·
Replies
11
Views
5K
Replies
39
Views
7K
Replies
3
Views
4K
Replies
6
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
Replies
19
Views
3K
Replies
4
Views
5K
Replies
4
Views
3K