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Saturated steam is gas-phase water in equilibrium with liquid water at the same temperature and pressure. If the temperature is above the saturation point and/or the pressure is below the saturation pressure, the steam is "superheated steam". In either case it is a gas.
There are some conventions where saturated steam along with some fraction of liquid water in equilibrium with it is still referred to as steam even if not all of it is gas, as long as at least some of it is gas.
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Is thermodynamics a type of mechanical engineering?
Thermodynamics is a branch of physics that was started after there was a need to understand the energy in superheated steam, so that steam engines could be made as efficient as possible. So thermodynamic is definitely part of mechanical engineering because it is now used in the design of all kinds of engines, piston engines, turbines etc.
In thermal power generation part the steam came from turbine condensed and again resend to steam conversionIn this part my doubt is why return steam need to be cooled?
The low pressure steam from the last stage of the steam turbine is condensed so that it can be pumped back to the steam raising units at high pressure, as water. You can't compress steam as it would condense in the compressor. The only way to use steam as a gas in a gas turbine would be if it was supercritical, but this would mean operating at temperatures well above the limits for most engineering materials, and steam at these conditions would be very corrosive. This type of reactor cycle using a gas turbine has been considered using helium as the working fluid, and it may be built as the "pebble bed" reactor, or it may not. I think you need to understand more of thermodynamics. Read the Wikipedia entry for the "Rankine Cycle", see link below
What is EEE in thermodynamics?
Energy, Entropy and Efficiency........
Which is better wet steam or dry steam?
If by dry steam you mean superheated steam then dry steam because it has a higher calorific value
How many kinds of steam?
There are three kinds of steam 1) saturated steam, 2)super saturated steam 3) wet steam.
What was the science behind the steam powered car?
Thermodynamics
Steam engine is used in what field of science?
Thermodynamics
Why were the laws of thermodynamics devloped?
to help improve the steam engine
The conversion of potential energy in coal into the kinetic energy that heats steam is an expression of?
the first law of thermodynamics
What is the formula for interpolation method in thermodynamics by using steam table?
T= Ta + (Tb-Ta)((H-Ha)/(Hb-Ha))
What has the author Cecil Hobart Peabody written?
Cecil Hobart Peabody has written: 'Thermodynamics of the steam-engine and other heat-engines'
Is thermodynamics a type of mechanical engineering?
Thermodynamics is a branch of physics that was started after there was a need to understand the energy in superheated steam, so that steam engines could be made as efficient as possible. So thermodynamic is definitely part of mechanical engineering because it is now used in the design of all kinds of engines, piston engines, turbines etc.
What has the author Clarence Floyd Hirshfeld written?
Clarence Floyd Hirshfeld has written: 'Steam power' -- subject(s): Steam engineering 'Elements of heat-power engineering' -- subject(s): Thermodynamics, Heat-engines
What is the study of conversion of heat to mechanics?
Thermodynamics
Why were the laws of thermodynamics developed?
For the same reason they study other branches of science: It helps us understand how the world around us works, helps predict what will happen if we carry out certain actions, and therefore helps in the design of technology.
How is the thermodynamics process related to the 1st law of thermodynamics?
Magic
How do you you use thermodynamics in a sentence?
My college thermodynamics course was a beast...
