Question
Download Solution PDFAn isentropic air-turbine is used to supply 0.1 kg/s of air at 0.1 MN/m² and 285 K to a cabin. The pressure at the inlet to the turbine is 0.4 MN/m². What will be the power developed by the turbine? [Consider
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
We use isentropic expansion relations in a turbine to determine the power developed when supplying air to a cabin.
Given:
- Mass flow rate,
- Inlet pressure,
- Exit pressure,
- Exit temperature,
- Specific heat at constant pressure,
- Ratio of specific heats,
- Given relation:
Step 1: Determine the inlet temperature (T₁)
For an isentropic process:
Step 2: Calculate the work output (power)
The power developed by the turbine is given by:
Last updated on Jul 15, 2025
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