What are the disadvantages of reheating?

1) reheating requires more maintenance 2) the increase in thermal efficiency is not appreciable in comparison to the expenditure increased in reheating.

What are the main components of a Rankine Cycle?

The Rankine Cycle This cycle is composed of four key parts: the generation of high-pressure steam, a turbine, a condenser, and a pump. Steam is generated in the boiler and then transferred to the turbine.

What kind of process does a steam power plant undergoes?

5. What kind of a process does a ‘Steam Power Plant’ undergoes? Explanation: As the internal energy change in the ‘Steam Power Plant’ is ZERO. Hence, the entire plant obeys a Cyclic Process.

What is steam rate in power plant?

3.6. The specific steam consumption (SSC) indicates the relative size of plant, i.e. mass flow per unit power output. This determines the compactness of the system so it is desirable to have this as low as possible, as less steam used to generate power implies less energy is wasted in pumping, heating, etc.

How is steam flow rate calculated from boiler?

The feedwater flow rate can be calculated from steam mass flow and blowdown rate:

Blowdown Mass Flow = Feedwater Mass Flow * Blowdown Rate.
Steam Mass Flow = Feedwater Mass Flow – Blowdown Mass Flow.
Steam Mass Flow = Feedwater Mass Flow – Feedwater Mass Flow * Blowdown Rate.

How is steam generation per hour calculated?

Calculation Details

Blowdown Mass Flow = Feedwater Mass Flow * Blowdown Rate.
Steam Mass Flow = Feedwater Mass Flow – Blowdown Mass Flow.
Steam Mass Flow = Feedwater Mass Flow – Feedwater Mass Flow * Blowdown Rate.
Feedwater Mass Flow = Steam Mass Flow / [ 1 – Blowdown Rate ]

Which power plant has highest efficiency?

Power Generation/Comparison

Power Station	Rank	Efficiency
Steam Power station	4	This is plant is ≈ 25% efficient.
Hydro Power station	1	This is plant is ≈ 85% efficient.
Diesel Power station	3	This is plant is ≈ 35% efficient.
Nuclear Power station	2	This is plant is ≈ 55% efficient