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Hello everyone. This article will help you find the answer to the question “a gas turbine for an automobile is designed with a regenerator”. Let’s follow our steps!

## Question: a gas turbine for an automobile is designed with a regenerator

Here is our question:

An adiabatic air compressor is to be powered by a direct-coupled adiabatic steam turbine that is also driving a generator. Steam enters the turbine at 12.5MPa and 500∘C at a rate of 25kg/s and exits at 10kPa and a quality of 0.92. Air enters the compressor at 98kPa and 295K at a rate of 10kg/s and exits at 1MPa and 620K Determine

(a) the net power delivered to the generator by the turbine

(b) the rate of entropy generation within the turbine and the compressor during this process.

## Answer

According to the question, we have the following summary:

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Based on the given parameters, we can perform the following calculations:

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After finding h4, S4, we find w as follows:

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So the answer for question a is 20.488KW

And answer for question b is 28.02 KW/k, the calculation is as follows:

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## Relevant knowledge

Formula to calculate air compressor capacity

To calculate and give an accurate air compressor capacity value, users need to follow these steps:

Calculate the total air consumption capacity of the equipment using compressed air in the system. The air flow source of each device will usually be listed on the body of the equipment used. This will be similar to the power consumption of electrical appliances.

Step 1: Calculate total capacity of compressed air system (m3/min) = compressed air consumption capacity of equipment 1 + compressed air consumption capacity of equipment 2+ …+ compressed air consumption capacity of equipment get n.

Step 2: After giving the total result, multiply by 1.2 the loss coefficient of the pipeline.

Step 3: After the multiplication result, it is necessary to multiply by the time that the devices operate (in hourly units). For example, if the device runs for about 30 minutes, the time factor is 0.5 hours.

## Conclusion

The above article has helped you find the answer to the question “a gas turbine for an automobile is designed with a regenerator”. thanks for reading and see you next time!

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