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How does a gas turbine work on diesel fuel?

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japayson

Involved In Discussions
#2
Authors at Wikipedia have written an article about the gas turbine. Search ""gas turbine" there. Understand that the gas involved is air. Various fuels are used, including natural gas but more often the fuel is a petroleum distillate similar to "kerosene". Gas turbines are used as aircraft engines, in military armored vehicles, and to power ground based generators, for a few examples. It is called a gas turbine in contrast to a steam turbine.
 

optomist1

A Sea of Statistics
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#4
depending on the power-plant and the grade of Diesel...if it does fire up...there will be high levels of hydrocarbons, pollutants...etc. Diesel is heavy, Jet A, Jet B, JP1, JP 4 etc are light end distillates. Diesel is in relative terms pretty viscous as well, might well affect the fuel pump/filtration systems...and below a good link for civil Jet fuels..
Civil Aviation Fuel | Jet Fuel Specifications | Shell Global
 

Randy

Super Moderator
#5
depending on the power-plant and the grade of Diesel...if it does fire up...there will be high levels of hydrocarbons, pollutants...etc. Diesel is heavy, Jet A, Jet B, JP1, JP 4 etc are light end distillates. Diesel is in relative terms pretty viscous as well, might well affect the fuel pump/filtration systems...and below a good link for civil Jet fuels..
Civil Aviation Fuel | Jet Fuel Specifications | Shell Global
Most modern turbines (especially in military use which really are no different than civilian turbines for like equipment) run JP8 which is roughly the same as DS2 for ground equipment........No real problem other than temperature management.......... It all happens through atomization/vaporization......... I'm a aircraft turbine mechanic amongst other things and I've experienced aircraft operating on regular diesel

Military Jet Fuel
 
#7
Thank u everyone, but my question basically is about power plant gas turbines and I want to actually know that what is the mechanism behind gas turbine if we use diesel instead of gas and how does a gas turbine work on diesel (working). For example if a power plant is in shortage of gas and it uses High Speed Diesel (HSD) as an alternate fuel, what makes the gas turbine work on diesel?
 
#8
Gas turbines operate on a multitude of fuels, from liquid to gaseous states. Actually, many industrial gas turbines have dual-fuel capability built-in the equipment.
Can you please explain to me that what is the mechanism behind dual fuel capability or the working behind it in detail. Thank you.
 

Randy

Super Moderator
#9
There is virtually no difference what fuel is used and there are no changes in the "mechanism" for different fuels. Basically, if it'll burn you can run it in a turbine and the only major concern are temperatures of the combustion gasses and exhaust. You'll see references to TGT, EGT and other acronyms with "T" being the monitored temperatures. I've gone from running, Jet A, Jet B, JP4, JP8, DS2 and gasoline in the same turbine in a helicopter without damage or problem.

A turbine doesn't know what it's being used for nor does it care.

You're concern isn't the turbine but the fuel storage/feed process or getting the fuel to the turbine in your case changing from a gas to a liquid and back and that's just basic engineering with a couple lines, valves, regulators and switches.

Not advertising................. multifuel turbine engine - Bing video
 

Sidney Vianna

Post Responsibly
Staff member
Admin
#10
For example if a power plant is in shortage of gas and it uses High Speed Diesel (HSD) as an alternate fuel, what makes the gas turbine work on diesel?
The OEM's spend hundreds of millions of dollars in combustion engineering to optimize combustion efficiency, reducing emissions, maintaining equipment reliability and safety. Nobody here will give you technical knowledge that is proprietary.
 
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