How in a practical reciprocating engine are you going to add heat either at constant volume OR constant pressure? Can you show a PV curve of your proposed cycle please?

Turbines

Dual combustion cycle is a closed cycle. The cycle on p- V diagram represents starting from compression is isentropic process, heat addition will be first by constant volume and next at constant pressure, expansion will be at isentropic process and heat rejection is at constant volume. All the operations are confined in internal combustion engine cylinder This is an ideal cycle developed after Otto and Diesel cycles which are also closed cycles. From this dual combustion cycle, ideal air standard efficiency and mean effective pressure are found.

Gas Turbines work on Brayton cycle not on dual combustion cycle. The closed cycle on p- V diagram represents starting from compression is isentropic process, heat addition will be at constant pressure, expansion will be at isentropic process and heat rejection is at constant pressure. Gas turbine also work on open cycle (heat rejection not at constant pressure but left to atmosphere) and semi closed cycle (a part of air is entered at inlet and part of gas is left to atmosphere).

Thank you Tony Maine and Muhammad Shahid mehmood Mehmood for your answers to the question raised. Further, any dual combustion cycle details and their practical applications technically are invited.

Dear Professor Kishore,Thank You for your time.

Dual Combustion cycle is a combination of Otto and Diesel cycle. This consists of five processes. This theoretical closed cycle when drawn on pressure- volume diagram shows how the above individual cycles be achieved from a dual combustion cycle and air standard efficiencies are derived

Dual combustion is only the theoretical air standard cycle? which upon from this can have constant volume heat addition (Otto cycle) and constant pressure heat addition (Diesel cycle) can be had and performances can be studied with respect to each other.

Dual combustion cycle is an ideal cycle which consists of five processes and is a got by combination of Otto cycle and Diesel cycle which are ideal cycles and consists of four processes.

Dual combustion cycle is a closed and ideal cycle. This cycle is a combination of both Otto and Diesel closed cycles. The individual (Otto, Diesel) can be arrived from dual combustion cycle. Efficiency of both the cycles, their performance and comparison can be had from dual combustion cycle.

Dual combustion is an ideal closed cycle which heat addition takes place first at constant volume and later at constant pressure but rejection will be at constant volume. This is used to discuss Otto and Diesel closed cycles.

Dual combustion cycle is a theoretical and ideal closed cycle. As far as I know there is no engine working on this cycle. Since in order to transform or compare both Otto and Diesel closed cycles this is used.

Dual combustion cycle is a ideal closed cycle, where heat addition will firstly be at constant volume and later at constant pressure and heat rejection is at constant volume. This is a got by clubbing Otto and Diesel cycles.

Following..

Thank you Abdul Kuddus for following.

Dual combustion cycle is a theoretical, ideal and closed gas power cycle. Dual in the sense it is a combination of Otto and Diesel cycles and also heat addition is first at constant volume and immediately at constant pressure.

Dual cycle is an ideal, closed gas power cycle. This is theoretical one. This is used to get comparison of Otto and Diesel cycles by modifying Dual cycle.

I agree@ Pisipaty Srinivas Kishore

Dual combustion cycle is an ideal, reversible, closed, air standard and theoretical cycle. This cycle is a combination of Otto and Diesel cycles. One can derive air standard efficiencies of the above cycles by modifying this dual cycle. This is used in Diesel engines.

Dual combustion cycle is an ideal and closed cycle. This consists of two isentropic processes, two constant volume processes and one constant pressure process. This cycle is adopted for Diesel engine. The air standard efficiency for this cycle is greater than Diesel cycle and less than Otto cycle.

Dual combustion cycle finds application in Diesel engines. This is got by combination of Otto and Diesel cycles. This is also used to get and compare Otto and Diesel cycles.

Dual combustion cycle is a combined cycle of Otto cycle and Diesel cycle which consists of two isentropic processes, two constant volume processes and one constant pressure process. The applicability is in Diesel engines.

As the name indicates, dual cycle is a combination of Otto and Diesel cycles. By using this cycle, one can arrive the comparison of Otto and Diesel cycle air standard efficiencies. This is a closed and used as a cycle for Diesel as a fuel.

Dual combustion cycle is a combination of both Otto and Diesel cycles. This cycle finds application in working of Diesel engines. The air standard efficiency of this cycle is greater than Diesel cycle and less than Otto cycle.

Dual combustion cycle finds application in Diesel engines. This cycle consists of five processes (two isentropic, one constant pressure and two constant volume). Here heat is added at constant volume and later at constant pressure and the heat rejection is at constant volume.

Dual combustion cycle has got its name since combustion of fuel takes place first at constant volume and later at constant pressure. Dual combustion cycle finds application in Diesel engines.

Dual combustion consists of five processess and is ideal air standard cycle. This cycle is a combination of both Otto and Diesel cycles. Dual combustion cycle finds application in Diesel engine.

Dual combustion cycle is an ideal air standard closed cycle, which has five processess where heat addition be firstly at constant volume and next at constant pressure and rejection at constant volume. This has application to use in Diesel engines.