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Dual combustion cycle

Updated: 12/12/2022
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From Wikipedia, the free encyclopedia Dual Combustion Cycle (also known as the limited pressure or mixed cycle, Seiliger cycle or Sabathe cycle) is a thermal cycle that is a combination of the Otto cycle and the Diesel cycle. Heat is added partly at constant volume and partly at constant pressure, the advantage of which is that more time is available for the fuel to completely combust. Because of lagging characteristics of fuel this cycle is invariably used for diesel and hot spot ignition engines. The dual cycle consists of following operations: # Adiabatic compression # Addition of heat at constant volume. # Addition of heat at constant pressure. # Adiabatic expansion. # Rejection of heat at constant volume.

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Q: Dual combustion cycle
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Why dual combustion cycle is called as limited pressure cycle?

In dual combustion cycle heat is added at constant volume which increases the efficiency of cycle, whereas heat addition at constant pressure limits the maximum pressure of the cycle.


What are the advantages of having engines with dual injectors over the conventional engines with single fuel injector?

dual injectors spray more fuel into the engine causing a bigger explosion in the combustion cycle. but, with the added fuel there is added pressure and usually there is a second sparkplug to accomidate for the extra fuel to ignite.


What are the two types of engine?

Based on(1) Diesel Cycle and (2) Dual cycle


On a v8 will single exhaust make more power vs dual exhaust without a crossover pipe if sized accordingly?

The more air that moves on the final stroke of a combustion cycle, the better the performance. If the single pipe from the engine is large enough, then yes, it can outperform an engine with a true dual exhaust with smaller pipes.


What are the two types of diesel engine?

Based on(1) Diesel Cycle and (2) Dual cycle


What is the application of dual cycle?

in practical we don't use dualcycle...........


What are the practical applications of dual cycle?

its is used in marine engines


What is the advantage of dual exhaust?

Dual exhaust systems increase capacity of the exhaust system and thus makes it easier for exhaust gasses to exit the combustion chamber. This can result in increased horsepower. However, dual exhaust is often used because the owner prefers a more "throaty" sound.


Why does not exist dual cycle engine?

it does will not when are and while the parts make too more after are article a coke bottle


What is the Dual role of sulfuric acid in the copper cycle?

It speeds up the reaction, and acts as a dehydrating agent


Why would a LPG dual fuel vehicle make banging noises particularly when you switch fuels while driving?

The difference in combustion: you shouldn't change while under power:


Give expression for efficiency of dual cycle?

= 1 - qout/qin = 1 - cv(T4-T1)/(cv(Tx-T2)+cp(T3-Tx))