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It depends upon megawatt of turbine & design of blades.
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∙ 11y ago
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Is a design a process or a product?
This refers to the formulation of a strategy to help an engineer to build a product with specified performance objectives. A design process includes a number of stages and parts that are needed to be repeated many times before the construction of the final product begin.
How fast is the internet growing?
There were many contributers from around the globe.
How many phases does waterfall Model have?
Depends of course on which waterfall model you consider in which discipline. Originally in programming / systems development the model has 7 stages: 1. Requirements specification 2. Design 3. Construction 4. Integration 5. Testing 6. Installation 7. Maintenance Many other models or variants have been devised with slightly different numbers, focus and names.
How battery produces energy?
A battery works by converting chemical energy into an electrical charge. Electrolytes let ions move between the positive terminal and the negative terminal, which makes the electrical current flow.
Are there such things as holograms?
Yes, in fact it is actually used in many cases it is also not limited to one color. for example in japan they do hologram concerts with Hatsune Miku (Volocoid) and other characters from the show and it has lots of different effects and things like that. For more on Hatsune Miku, google Hatsune Miku Live in Tokyo
How does a steam engine differ from a steam turbine?
Technically a steam turbine is a particular type of steam engine. A classic steam engine usually refers to a reciprocating steam engine, which uses a piston and crank arrangement, where pressurised steam (from the boiler) forces the piston through its stroke, producing output power. A steam turbine produces power with pressurized steam expanding to high velocity, and impinging on turbine blades which produce rotational output power. A steam turbine can be considered similar to a windmill, although steam turbines typicaly rotate much faster, and often have many stages of steam expansion within a single machine.
Why mostly steam is used to rotate a turbine?
The Rankine cycle is one where a closed loop containing water/steam is used to transfer energy from an energy source such as a coal fired furnace or a nuclear reactor to a steam turbine/generator. It is the way all such power plants work, but not plants using gas turbines or combustion turbines which don't use a water/steam circuit. In the Rankine cycle there are progressive stages: 1. Cool feedwater is pumped at high pressure into a boiler which is heated by the furnace or nuclear reactor 2. The water is heated and evaporated at high pressure, becoming steam 3. The steam is further heated to become superheated 4. The steam is admitted to the HP end of the steam turbine, and it progresses in stages to the LP end by which time it is cooled and under vacuum (the vacuum is maintained by external cooling water and increases the efficiency considerably by getting the maximum energy out of the steam) 5. The steam condenses in the turbine condenser under vacuum, to produce cool water, and hence back to stage 1. Electrical energy is extracted by the generator which is coupled to the shaft of the turbine, but that is not really part of the Rankine cycle, which is described in thermodynamic terms only. See link below for more reading and diagrams.
How many types of value used in steam turbine?
The types of values used in steam turbine range from 10 to 30 deg.of which 12 to 20 deg. are more common.
What is the difference between steam turbine and water turbine?
The difference is that geysers are way much hotter than the steam from hot springs. The geysers can give you 3rd degree burns. But so can the steam from hot springs if you're in there to long.
How does steam conduct electricity?
Steam generates electricity by spinning turbines located within electromagnetic fields. The steam can be generated by heating water using many types of fuels, such as coal, gas, and oil, or through the heat generated from controlled nuclear reactions.
How is nuclear power converted into electricity?
Basically: Radioactive Uranium is made in long rods. At a nuclear power plant, they place many of these rods into water. This water then becomes heated, boils and turns into steam. This steam turns a steam turbine. This turbine is connected to a electrical generator. The spinning generator creates electricity.
What does the turbine do in a generator?
A turbine is a rotary engine that extracts energy from a fluid flow and converts it into useful work.The simplest turbines have one moving part, a rotor assembly, which is a shaft or drum with blades attached. Moving fluid acts on the blades, or the blades react to the flow, so that they move and impart rotational energy to the rotor. Early turbine examples are windmills and water wheelsGas, steam, and water turbines usually have a casing around the blades that contains and controls the working fluid. Credit for invention of the steam turbine is given both to the British Engineer Sir Charles Parsons (1854-1931), for invention of the reaction turbine and to Swedish Engineer Gustaf de Laval (1845-1913), for invention of the impulse turbine. Modern steam turbines frequently employ both reaction and impulse in the same unit, typically varying the degree of reaction and impulse from the blade root to its periphery.A device similar to a turbine but operating in reverse, i.e., driven, is a compressor or pump. The axial compressor in many gas turbine engines is a common example. Here again, both reaction and impulse are employed and again, in modern axial compressors, the degree of reaction and impulse will typically vary from the blade root to its periphery.
Why steam is superheated?
superheated steam produces greater pressure and power and can go very long distances by itself compared to regular steam. +++ Not quite. The pressure is no more than that at which it was generated in the boiler, because it is flowing through the superheater to the engine (reciprocating or turbine) - and indeed may be less if throttled through the regulator on the boiler outlet first. I'm not sure where "distance" comes from, but superheating raises the efficiency rather than power, by keeping the steam above its condensation temperature for the instantaneous pressure it passes through in expanding to do its work. This means it can act as a gas for a longer part of the piston stroke, or for further in its route through the many stages of a steam-turbine.
Difference between saturated 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.
What relationship exsists between turbine and generator?
A turbine is powered by such things as steam, burning gas or oil, water, or wind. The turbine is a type of engine, which might be thought of as a more efficient choice than a gas engine or reciprocating steam engine for doing the same job. The turbine could do many things ranging from powering a vehicle such as a helicopter, a ship, a locomotive, or a piece of equipment such as a centrifuge, a pump, or a generator. When a turbine powers a generator, the generator makes electricity.
How many kg of steam required to produce 1 KWh for steam turbine of 30bar pressure and 390oC temp?
I'm currently benchmarking a number of plants in my company which produce steam for downstream processing. What is a typical kWh/kg of steam ratio I could set as a best practice target? Thanks Paul
How many BTUs per hour for 1MW steam turbine?
1MW = 1000 KW 1KW = 860 Kcal/Hour 1 Kcal = 3.968 BTu.
