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From what I have read, it uses the heat of vaporization to create a vacuum due to condensation.
So as steam condenses its volume is reduced. This creates a vacuum which increases the pressure drop accross the turbine. The larger the pressure drop accross the turbine, the better.
I'm not an expert tho...
http://books.Google.com/books?id=7PeSdVhFhxgC&pg=PA41&lpg=PA41&dq=why+condenser&source=web&ots=HTeczt_DhL&sig=QS5YkcFzMQkTomz5y5FMb_Swsio&hl=en&sa=X&oi=book_result&resnum=1&ct=result
What else can I help you with?
What should be the possible reasons of vacuum drop of turbine?
In the low pressure side of a steam turbine, the vacuum is maintained by the condensation of steam in the condenser. At high loads, the condenser may not satisify the demand, allowing steam to remain gaseous for a longer period of time. This can cause pressure to rise.
Will new wharehouses industrial park being built right next door cause property values to drop?
Yes, a new warehouses industrial park being built right next door will cause property values to drop. People do not want to buy a home that is close to an industrial park as noise and pollution will increase.
How did James watt invent the steam engine?
P I think Watt was not the first to invent THE steam engine, although his model probably had improvements, etc. Ever see a drop of water on a stove top? It can move a little peice of wood. Perhaps that was the first steam engine? +++ Sorry - although you start correctly, the rest is guess-work very wide of the mark. No drops of water moving bits of wood, at all. ' In Watt's day, the only practical steam-engines were those invented some decades previously by Newcomen. These were purely reciprocating machines for driving mine-drainage pumps, and though they worked they were dreadfully inefficient because their power stroke was forced not by steam, but by atmospheric pressure against a partial vacuum created by using a water jet to condense steam in the cylinder. ' James Watt analysed the problem and realised that moving the condensing to a separate vessel, so keeping the power cylinder hot, made the engine much more efficient - costing much less to run. He was also one of those who found how to make the steam-engine rotative, so it could drive a much greater range of machinery than just the simple water-pump.
Why was there a sharp drop in the union membership during the 1920's?
a growing feeling against unions, together with strong pressure from employers and the government...
When the Dow Jones Industrial Average began to drop sharply in late October 1929 investors bought shares of stock bankers pardoned personal loans and mortgages Hoover warned American to stop investing?
gaYAYASYG
What should be the possible reasons of vacuum drop of turbine?
In the low pressure side of a steam turbine, the vacuum is maintained by the condensation of steam in the condenser. At high loads, the condenser may not satisify the demand, allowing steam to remain gaseous for a longer period of time. This can cause pressure to rise.
What do you mean by condenser airside pressure drop?
Condenser airside pressure drop refers to the decrease in pressure that occurs as air passes through the condenser coils in an air conditioning or refrigeration system. This pressure drop is influenced by factors such as the design and cleanliness of the coils, air velocity, and any obstructions that restrict airflow. A higher pressure drop can indicate reduced efficiency and performance issues in the system.
What can happen if you had a sudden drop on boiler steam pressure without a corresponding drop in boiler water temperature?
BOILER EXPLOSION- Caused by a sudden drop in pressure (failure on the steam side) without acorresponding drop in temperature.
Is refrigerant a low pressure liquid as it leaves the condenser?
No, refrigerant is not a low-pressure liquid as it leaves the condenser. Instead, it exits the condenser as a high-pressure liquid after dissipating heat. This high-pressure liquid then flows to the expansion valve, where it is allowed to expand and drop in pressure before entering the evaporator.
What is difference bw condensing and non condensing steam turbines?
A condensing turbine uses all the energy from the steam going from high pressure turbine to secondary turbine to condensing turbine then sends the condensate back for reheating. where a non condensing turbine just uses the high pressure aspect of the steam then returns the low pressure stream back to be reheated. Condensng turbines utilises the entire available drop from high pressure to the vacuum in the condenser; a back pressure turbine only utilises only the top part, whereas an exhaust steam turbine utilises only th bottom part of the pressure drop. Hope that helps.
What is the reason of vacuum dropping in steam turbine?
Vacuum dropping in a steam turbine can be caused by air leakage into the system, inadequate steam supply, malfunctioning condenser or cooling system, or excessive steam flow rate. This drop in vacuum can reduce the efficiency of the turbine and impact its performance. Regular monitoring and maintenance of the system are essential to prevent issues leading to vacuum drop.
What is pressure compounding?
Pressure compounding is a method used in steam turbines to improve efficiency by dividing the pressure drop across multiple stages. This involves passing steam through a series of turbine stages, with each stage operating at a different pressure level. By reducing the pressure drop across each stage, pressure compounding helps to extract more energy from the steam and increase the overall turbine efficiency.
Why condenser is used in boiler or steam power plant?
A power plant of the conventional steam turbine/generator type, whether using fossil fuel or a nuclear reactor, operates by pumping feedwater at high pressure into the steam raising units, the steam is admitted to the turbine which has various stages. At the high pressure end the rotor blades are short but they get progressively longer as you go down the machine, because the steam is expanding to a lower pressure so has a greater volume. At the back end where the steam comes out of the turbine, you will get maximum power and hence maximum efficiency of the plant by having a vacuum, so that steam below 100 degC is still doing useful work. Hence the condenser cooled by ambient temperature water from an outside source, where the below atmospheric pressure steam is condensed to water and returned to the feed pump inlets. So you may see the condenser as wasting heat, but in fact it considerably increases the overall efficiency. This steam/water cycle is called the Rankine Cycle and you will find an article on this in Wikipedia.
What will happen if you put steam in a balloon then put it in the refrigerator what will happen?
As the steam cools, the pressure will drop, and the balloon will get smaller. ------------------------- it pops i tried it loads
Why vacuum is created in condenser on steam turbine?
Firstly, vacuum is being created in turbine exhaust and condenser rather than being required. It is created to reduce the back-pressures and to improve the turbine efficiency. Also, with vacuum the designers can design large size last stage blades of LP turbine for maximizing the turbine output.
How pressur decrease in steam nozzle?
In a steam nozzle, pressure decreases due to the conversion of enthalpy into kinetic energy as steam expands. As the high-pressure steam passes through the nozzle, its velocity increases while its pressure and temperature drop. This process is governed by the principles of thermodynamics, specifically the principles of conservation of mass and energy. The rapid expansion of steam results in a lower pressure at the nozzle exit compared to the inlet.
What causes a steam collapse?
A steam collapse occurs when the pressure inside a steam system drops rapidly, leading to a sudden condensation of steam into water. This can happen due to a variety of factors, such as a sudden cooling of the steam, a drop in pressure from a malfunctioning valve, or a loss of heat transfer. The rapid transition from steam to water creates a vacuum that can cause structural damage, implosion, or other mechanical failures in the system. Proper design and maintenance of steam systems are essential to prevent such incidents.
