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as a geometrical analysis of the diffuser, the cross sectional area will be increased and converts the pressure into velocity, so the steam pressure will be drops and its velocity will be increased.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoSchematic operation of a steam turbine generator system
Steam turbines are made in a variety of sizes ranging from small <0.75 kW (1< hp) units (rare) used as mechanical drives for pumps, compressors and other shaft driven equipment, to 1,500,000 kW (2,000,000 hp) turbines used to generate electricity. There are several classifications for modern steam turbines.
Steam supply and exhaust conditions
These types include condensing, non-condensing, reheat, extraction and induction.
Condensing turbines are most commonly found in electrical power plants. These turbines exhaust steam in a partially condensed state, typically of a near 90%, at a pressure well below atmospheric to a condenser.
Non-condensing or back pressure turbines are most widely used for process steam applications. The exhaust pressure is controlled by a regulating valve to suit the needs of the process steam pressure. These are commonly found at refineries, district heating units, pulp and paper plants, and facilities where large amounts of low pressure process steam are available.
Reheat turbines are also used almost exclusively in electrical power plants. In a reheat turbine, steam flow exits from a high pressure section of the turbine and is returned to the boiler where additional superheat is added. The steam then goes back into an intermediate pressure section of the turbine and continues its expansion.
Extracting type turbines are common in all applications. In an extracting type turbine, steam is released from various stages of the turbine, and used for industrial process needs or sent to boiler to improve overall cycle efficiency. Extraction flows may be controlled with a valve, or left uncontrolled.
Induction turbines introduce low pressure steam at an intermediate stage to produce additional power.
Wiki User
∙ 12y agoi said i dont know
Wiki User
∙ 14y agoThat's where the liquid squirts out.
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