Sage-Tips

What is the function of intercooler in gas turbine Mcq?

Explanation: An intercooler is an heat exchanger removing heat from compressor. Explanation: Inter cooler reduces unwanted heat from compressor and can increase volumetric efficiency. Explanation: By using intercooler air intake is decreased and hence it reduces knocking of fuel.

Why intercooler is used in Brayton cycle?

The thermal efficiency of the Brayton cycle can be increased since the energy in the exhaust gases is used as a portion of the heat input and save fuel requirements for the same net work output. Using multistage compression with intercooling can decrease the compressor work.

Why do we use intercooling and reheating in gas turbine?

The basic objective of introducing intercooling and reheat is to increase specifi c power and thermal efficiency. When comparing ideal and real cycles, the largest sources of loss in a gas turbine engine are those arising from the turbomachinery and the need to cool the turbine blades.

What is the function of intercooler?

The intercoolers (Charge Air Coolers) are designed to reduce fuel consumption while increasing the engine power and efficiency. The intercooler’s task is to reduce the temperature of the inlet gas and thus densify the air required which optimises the combustion.

What is purpose of using intercooler Mcq?

What is the purpose of using intercooler? Explanation: Intercooler is used to cool the superheated refrigerant till the saturated vapor line. The superheated refrigerant leaving the first compressor is cooled by suitable method before entering the second compressor. This type of cooling is known as intercooling.

What is the purpose of using intercooler?

What is the main purpose of using intercooler with compressor?

Functions of Intercoolers The air compressor intercooler’s main function is to cool air before it enters the next stage of compression. The higher density of cool air makes it easier to compress than hot air. Ideally, the air should be as close to the ambient air temperature as possible.

Does intercooler increase power?

It also makes the compressed air denser as it enters the intake manifold, which causes a richer air-to-fuel mix in the engine’s cylinders. The result is increased power output. So, the answer to the question is yes! An intercooler does help to increase horsepower.

What is the purpose of using a flash intercooler *?

Use of flash intercooler ensures separation of vapor and liquid form of refrigeration and acts as an intercooler too, which helps to reduce the work. So, the increase in R.E. and decrease in work improves the C.O.P. of the system.

How does an intercooler work in a gas turbine?

Gas-turbines with high pressure ratios can use an intercooler to cool the air between stages of compression, allowing you to burn more fuel and generate more power. Remember, the limiting factor on fuel input is the temperature of the hot gas created, because of the metallurgy of the first stage nozzle and turbine blades.

What is the power output of intercooling regenerative cycle?

An intercooling regenerative cycle can increase the power output and the adiabatic thermal efficiency. This combination provides an increase in efficiency of about 12\% and an increase in power output of about 30\%, as indicated in Figure 2-16.

Is there an optimum pressure ratio for intercooled compressors in gas turbines?

However, when such intercooled compressors are considered in a practical (irreversible) gas turbine cycle, the optimum pressure ratio may not be equal even if the efficiencies of the LP and HP compressors are equal. This will depend of whether we optimise on maximum thermal efficiency or specific work.

What happens if intercooler is not applied in a diesel engine?

And also if we don’t apply intercooler then temp. in combustion chamber may increase to very high causing detonation (or knocking). Intercooler are used to increase volumetric efficiency of engine by cooling intake air which came out from turbocharger (increasing intake air charge density).