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In order to develop new method and procedures, careful review of literature and studies must be done for the development of the study. The main purpose of this chapter is to identify and review theories on steam engine and to identify the deficiencies of those theories. On the contrary, it is the cloud of water droplets formed by the partial condensation of this vapor as it is cooled. Since it is a vapor, it is logical that the density of steam is much less than that of water because the steam molecules are further apart from one another. The space immediately above the water surface thus becomes filled with less dense steam molecules. Example of Investigatory Project

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Water vapor that includes water droplets is described as wet steam. As wet steam is heated further, the droplets evaporate, and at a high enough temperature which depends on the pressure all of the water evaporates and the system is in vapor-liquid equilibrium. In agriculture, it is used for soil sterilization to avoid the use of harmful chemical agents and increase soil health.

Pests of plant cultures such as weeds, bacteria, fungi and viruses are killed through induced hot steam which causes their cell structure to physically degenerate. Biologically, the method is considered a partial disinfection. It also has a large contribution of making our lives better at home: for cooking vegetables, steam cleaning of fabric and carpets, and heating buildings. In each case, water is heated in a boiler, and the steam carries the energy to a target object.

However in cogeneration, steam is piped into buildings through a district heating system to here heat energy after its use in the electric generation cycle. It is not flammable, unlike hydrogen, and is cheap and abundant, unlike helium. The required Example of Investigatory Project, however, leads to condensation problems and requires an insulated envelope.

There are many examples in which steam is used. It is used for piping in utility lines.

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It is also used in jacketing and tracing of piping to maintain the uniform temperature in pipelines and vessels. Steam is used in the process of wood bending, killing insects and increasing plasticity.

An autoclave, which uses steam under pressure, is used in microbiology laboratories and similar environments for sterilization. Steam is used to accentuate drying especially in prefabricates.]