Industry instrumentation : Units and conversion tables for process control - Instrumentación industrial : Unidades y tablas de conversión para el control de procesos

 

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PROPERTIES OF SATURATED STEAM AND SATURATED WATER

Saturated steam is steam that is in equilibrium with liquid water at a particular temperature and pressure. At this point, no more water can be converted into steam by adding heat to the system. In other words, the steam is saturated with water vapor and contains the maximum amount of energy that can be stored in steam at that particular temperature and pressure.

The temperature at which saturated steam exists depends on the pressure of the system. At higher pressures, the temperature required to produce saturated steam is also higher. Conversely, at lower pressures, the temperature required to produce saturated steam is also lower.

Saturated steam is commonly used in a wide range of industrial applications, such as in steam turbines, boilers, and heat exchangers. It is also used for sterilization, cleaning, and cooking processes. The use of saturated steam is preferred in many industrial applications because it contains a high amount of heat energy per unit of volume, and it can transfer this heat energy very efficiently due to its high latent heat of vaporization.

Saturated water is water that is in equilibrium with its own vapor at a particular temperature and pressure. At this point, the water has absorbed the maximum amount of heat that can be added to the system without boiling or evaporating. The pressure at which saturated water exists determines its boiling point, which is the temperature at which water changes its state from liquid to vapor.

Saturated water is an important concept in thermodynamics and is used in many industrial and engineering applications, particularly in steam and power generation. In these applications, the temperature and pressure of the saturated water are critical parameters that affect the efficiency of the system. For example, in a steam turbine, saturated water is heated to produce steam that drives the turbine. The pressure and temperature of the saturated water determine the amount of energy that can be extracted from the system and the efficiency of the turbine.

Saturated water is also used in refrigeration and air conditioning systems, where it is used as a working fluid to transfer heat from one location to another. In these systems, the pressure and temperature of the saturated water are carefully controlled to achieve the desired cooling effect.

Derived and Abridged from the 1967 ASME Steam Tables . Copyright 1967 by the American Society of Mechanical Engineers .

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