Condenser and Cooling Tower
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Condensers turn a substance from gas to liquid by way of cooling. Cooling tower is a heat rejection device that rejects waste heat to the atmosphere through the cooling of a coolant stream
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The document discusses the main components and processes in a refrigeration cycle. It describes that there are two main components: the compressor and condenser coil. The compressor compresses the low-pressure refrigerant vapor from the evaporator into high-pressure vapor. The high-pressure vapor then passes through the discharge line to the condenser, where heat is removed by blowing air across the coils, causing the vapor to condense into a high-pressure liquid and exit through the liquid line to the metering device.
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1) An evaporator where refrigerant vaporizes and absorbs heat, 2) An absorber where refrigerant vapor is absorbed by an absorbent, releasing heat, 3) A generator where heat regenerates the refrigerant and absorbent, and 4) A condenser where refrigerant condenses and liquefies. Heat from a heat source like steam drives the process without the need for a compressor.
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The document provides information about an air conditioner presentation given by Rupesh, a student in the ME 1 (8th Sem) class with Roll No. 21760. It discusses how air conditioners work by collecting hot air, processing it using a refrigerant and coils to release cool air. It explains the components of an air conditioner including the evaporator coil, compressor, condenser coil and expansion valve. It also describes the air conditioning cycle where a refrigerant undergoes phase changes from a gas to liquid and back to a gas to absorb and release heat from the air.
Intern ppt ..kk [Autosaved].pptx
This document summarizes the four main components of a refrigeration system:
1) The evaporator extracts heat from the surrounding air or substance. 2) The compressor increases the refrigerant's pressure and temperature. 3) The condenser releases heat from the refrigerant to the outside air. 4) The expansion valve reduces the refrigerant's pressure and temperature before it enters the evaporator again to repeat the cycle. Each component plays a critical role in the refrigeration process to maintain cool spaces.
How Does a Air Conditioner Work .pdf
An air conditioner works by using a refrigeration cycle that transfers heat from indoor air to the outdoors. It has four main components: compressor, condenser, expansion valve, and evaporator. The compressor compresses the refrigerant gas, which increases its temperature and pressure. The hot gas is then pumped into the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then flows through the expansion valve, where it expands and turns into a cold gas. The cold gas is then pumped into the evaporator, where it absorbs heat from the indoor air. The process repeats itself until the desired indoor temperature is reached.
Vortex tube
The vortex tube is a device that separates a gas flow into hot and cold exits without moving parts. High pressure gas enters tangentially through nozzles, creating a swirling vortex. There are two types - uniform and counter flow - which differ in exit placement. In operation, the gas separates into inner and outer layers with different temperatures due to centrifugal forces. The inner layer exits cold and the outer layer exits hot. Vortex tubes provide simple cooling with no refrigerants but have low efficiency. Potential applications include industries needing simultaneous hot and cold air.
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Condenser and Cooling Tower
- 1. Condenser
- 2. Surface Condenser 1. Down flow type. Steam enters at the top and flows downward. The water flowing through the tubes in one direction lower half comes out in the opposite direction in the upper half.
- 3. Central flow condenser. In this condenser the steam passages are all around the periphery of the shell. Air is pumped away from the centre of the condenser. The condensate moves radially towards the centre of tube nest. Some of the exhaust steams while moving towards the centre meets the under cooled condensate and pre-heats it thus reducing under cooling. Evaporation condenser. In this condenser steam to be condensed is passed through a series of tubes and the cooling waterfalls over these tubes in the form of spray. A steam of air flows over the tubes to increase evaporation of cooling water, which further increases the condensation of steam.
- 4. Jet Condenser In jet condensers the exhaust steam and cooling water come in direct contact with each other. The temperature of cooling water and the condensate is same when leaving the condensers.
- 5. COOLING TOWER Schematic diagram of a cooling water system
- 6. Natural draft cooling tower
- 7. Forced Draft Cooling Tower Induced draft Cooling Towers