Why Turbine,s efficiency is less & so derive the efficiency equation

Question

Accepted Answer

The efficiency of a turbine is less due to various factors such as friction, heat losses, and mechanical losses.

Friction between the moving parts of the turbine reduces its efficiency.
Heat losses occur due to the conversion of thermal energy into mechanical energy.
Mechanical losses include losses in bearings, seals, and other components.
Efficiency equation: Efficiency = (Useful output energy / Input energy) * 100%

Accepted Answer

Turbine efficiency is more drastically down phenomenon. Here the condenser which is the bottom most part in Rankine Cycle where we face not Only Engineer/ scientist that we can't go beyond & more beyond of Back pressure. This is simply because we can't go towards ~ " Absolute Vaccum".

Why Turbine,s efficiency is less &amp; so derive the efficiency equation

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Why Turbine,s efficiency is less & so derive the efficiency equation