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If you refer to the Temperature/ specific entropy (T - s) diagram for steam, the line segment to the right of the critical point (the point of zero gradient) of the curve is called the dry saturated line and the left segment is the satuated vapour line. As self-explanatory as it sounds, dry saturated steam is on the dry saturated line depending on the given temperature or pressure.
The quality (dryness fraction) on the dry saturated line is by definition 1, that means there is no portion of it as vapour. Hence it is in a fully gaseous state.
What else can I help you with?
What is dry steam?
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What is the temperature of dry saturated steam at 510psig?
It will vary slightly with changes in atmospheric pressure, but is approximately 472ºF.
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
What is the difference between saturated steam and Superheated steam?
Saturated steam occurs when steam and water are in equilibrium. If you have a closed container of water and heat it, above 100 celsius the steam pressure will start to rise, and as the temperature continues to rise, the pressure will go on rising. What is happening is that steam is being evolved to match the temperature (steam tables will give this relation) and the steam conditions are said to be saturated because if the pressure is raised by external means, some of the steam will start to condense back to water.If the steam pressure is held at a lower level than that achieved at saturation, by taking steam off to feed a turbine or other steam usage, there is effectively an excess temperature for that pressure, and the steam is said to be superheated. It in fact then becomes dry, and behaves as a gas. The amount of superheat can be quantified as so many degrees of superheat (celsius or fahrenheit).Turbine designers want steam to be superheated before reaching the turbine, to avoid condensation causing blade erosion, and steam producing boilers in power plants are designed to produce superheated steam. In plants where no turbines are used, only satured steam is normally generated.In heating applications, saturated steam is preferable, because it has a better energy exchange capacity. Superheated steam must cool down, and become saturated steam, before condensing in a heat exchanger. Also, superheated steam is a thermal insulator, like air.That is why it is necessary to direct superheated steam through a desuperheater before using the steam in heating applications.
What is the function of a superheater?
It is used to convert saturated or wet steam into dry steam for use in steam turbines, which are used for marine propulsion and the generation of electricity. +++ Also used for steam feeding reciprocating engines such as railway locomotives. It is not just a matter of dryness. Superheating allows the steam to work as a gas for longer during its passage through the turbine or cylinder, hence increasing the thermal efficiency of the whole plant.
What is the unit of dry saturated steam?
The unit of dry saturated steam is typically measured in temperature units such as degrees Celsius or Fahrenheit, as it represents the state of steam when it is at its saturation point and in equilibrium with liquid water at the same temperature.
Can saturation or dry steam be seen with the naked eye?
can saturated or dry steam be seen
What is dry steam?
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What is the temperature of dry saturated steam at 510psig?
It will vary slightly with changes in atmospheric pressure, but is approximately 472ºF.
Why saturated system is preferred over dry heat for sterilizing solid and liquid media?
Saturated steam is preferred over dry heat for sterilizing solid and liquid media because it can penetrate materials more effectively and transfer heat more rapidly, resulting in more reliable and efficient sterilization. Saturated steam also operates at a lower temperature, reducing the risk of damaging heat-sensitive materials compared to dry heat.
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
What is the difference between dry steam and wet steam to clean?
DRY steam is superheated There is a temperature below which steam will start to condense into water droplets. This is called the saturation temperature, and it varies with the pressure of the steam. Steam that is exactly at its saturation temperature is called saturated steam. Steam that is below its saturation temperature contains droplets of moisture and is called wet steam. Steam that is above its saturation temperature is called superheated steam.
What is mean by supersaturated flow?
When dry and saturated steam is caused to expand in a nozzle,the actual measured steam flow is found to be greater than the theoretical calculated flow.This is due to the time lag in the condensation of steam & the steam remains in dry state instead of wet. Such a steam is called supersaturated steam. This time lag is cause due to the the face that, the converging part of the nozzle is to short and the steam velocity is too high that the molecules of steam have insufficient time to form droplets.
What is a Binary Vapour Cycle?
A binary vapour cycle is a representation of a mercury cycle and a steam cycle on a same scale.In this vapour cycle there is comparison between the mercury cycle and steam cycle. In mercury cycle there occurs isothermal expansion of saturated water from boiler into dry saturated steam followed by isentropic expansion followed by condensation of steam and at last heating of steam and thus mercury has completed the cycle in 4 way process. In steam cycle first ther is isothermal expansion which results in converting of saturated water into dry saturated steam followed by superheated process where the steam is superheated followed by isentropic expansion of superheated steam followed by condensation of exhaust steam and at last heating of steam thus completing the cycle.
What is the difference between saturated steam and Superheated steam?
Saturated steam occurs when steam and water are in equilibrium. If you have a closed container of water and heat it, above 100 celsius the steam pressure will start to rise, and as the temperature continues to rise, the pressure will go on rising. What is happening is that steam is being evolved to match the temperature (steam tables will give this relation) and the steam conditions are said to be saturated because if the pressure is raised by external means, some of the steam will start to condense back to water.If the steam pressure is held at a lower level than that achieved at saturation, by taking steam off to feed a turbine or other steam usage, there is effectively an excess temperature for that pressure, and the steam is said to be superheated. It in fact then becomes dry, and behaves as a gas. The amount of superheat can be quantified as so many degrees of superheat (celsius or fahrenheit).Turbine designers want steam to be superheated before reaching the turbine, to avoid condensation causing blade erosion, and steam producing boilers in power plants are designed to produce superheated steam. In plants where no turbines are used, only satured steam is normally generated.In heating applications, saturated steam is preferable, because it has a better energy exchange capacity. Superheated steam must cool down, and become saturated steam, before condensing in a heat exchanger. Also, superheated steam is a thermal insulator, like air.That is why it is necessary to direct superheated steam through a desuperheater before using the steam in heating applications.
What is the effect of dry steam entry in to a wet steam filled vessel whether it promotes condensation in the vessel?
When dry steam enters a wet steam filled vessel, it can cause the wet steam to condense as the dry steam releases its latent heat energy to the surrounding wet steam. This condensation increases the moisture content in the vessel and may lead to water accumulation.
What kind of state of matter is steam?
It is a gas, assuming you are talking about dry steam. If it is wet steam, it is both a gas and a liquid.
