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What is reason for low vacuum in surface condenser?
Reasons for low vacuum: 1. Low gland sealing pressure 2. Condenser tubes choked 3. Condenser cooling water temperature high 4. Leakage in condenser tubes 5. Less cooling water flow
How is condenser high efficiency obtained?
the high efficiency is obtained by using a larger condenser surface or by using more mordern alloys with more extended surface or fins
What factors affect condenser vacuum?
Condenser vacuum is primarily affected by factors such as the temperature of the cooling water, the presence of non-condensable gases, and the efficiency of the condenser design. High cooling water temperatures can reduce the heat transfer efficiency, leading to a higher pressure in the condenser. Additionally, non-condensable gases, like air, can accumulate and impede the vacuum, while a well-designed condenser enhances heat exchange, maintaining optimal vacuum levels. Regular maintenance and proper operation also play crucial roles in sustaining effective condenser vacuum.
Why the height kept of steam ejector 10.33 m?
So that it can maintain a vacuum on the condenser; and the U-drains, which drain back to the condenser, don't get sucked dry by the ejector set. The length of each leg of U-drain is specifically designed to maintain a certain vacuum at each position. The U-drains drain the condensate from the inter and after condensers and the gland seal condenser back to the main condenser. Water under a perfect vacuum will stand in a column 34 feet high (10.33 meters), which means a vacuum of 30 inches of mercury (762 mm) would draw everything out of a column that is not at least that high. It's to maintain the water seal on the U-drains to prevent air induction into the condenser.
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.
Why barometric condenser is installed at least 34 feet 10.4 meters above the ground?
The barometric condenser is installed at least 34 feet above the ground to ensure proper condensation of the steam without any backpressure. The height is needed to create a sufficient vacuum pressure to allow the condenser to function effectively and efficiently.
Does an air condition unit uses a condenser If so is it on the low side or high side?
Yes. The condenser is on the high side, and high pressure vapor goes from the compressor outlet directly to the condenser inlet.
What happen if the pressure get high inside the steam turbine condenser?
There has to be a built in expansion chamber or release valve. Otherwise the expansion would cause an explosion.
What happened to the refrigerant in the condenser?
The Refrigerant enters the condenser as a high pressured gas, the condenser then condenses that gas and changes it to a liquid form.
Is the condenser of an Air Condition unit part of the low side or the high side?
The condenser is on the high pressure (discharge) side of the system.
What happens when refrigerant enters the condenser?
what happens when refrigerant enters the condenser
Why hotwell level is maintained in condenser?
High hotwell level will get the cooling water tubes of condenser submerged in the condensate hence cooling efect will be reduced consequentaly vacuum will drop. Low hotwell level will lead to low suction pressure of Condensate Extraction Pump hence it may lead to cavitation.
