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What is the difference between a condenser and an evaporator?

2024-09-30
Condenser is a device that is used for condensing the gas or vapor into the liquid state by cooling it down. The primary function of the condenser is to release heat, and it plays a crucial role in the refrigeration cycle and HVAC systems. The condenser is categorized into two types, i.e., air-cooled condenser and water-cooled condenser. The air-cooled condenser can be used in small units, whereas the water-cooled condenser is used in larger units.
Condenser


What are the types of Condensers?

The types of condensers are:
  1. Water-cooled Condensers
  2. Air-cooled Condensers
  3. Shell and Tube Condensers
  4. Plate Condensers

The water-cooled Condensers are used in large industrial applications, such as power plants and large HVAC systems. The Air-cooled Condensers are used in small applications such as household refrigerators and freezers. The Shell and Tube Condensers, as the name suggests, have a tube and a shell, and the refrigerant flows through the tubes, whereas the coolant flows around the tubes. The Plate condensers consist of a plate heat exchanger and are used in small refrigeration applications

How does a condenser work?

A condenser works by changing the state of the refrigerant from gas or vapor to liquid form by removing the heat. The refrigerant passes through the coils, and the refrigerant cools down as it passes through the condenser coils. The heat is transferred to the surroundings, i.e., air or water, depending on the type of condenser.

What are the applications of condensers?

The condensers are used in various applications such as:

  • Refrigeration cycle
  • Heat Pumps
  • Air conditioning systems
  • Vapor Recovery systems
  • Chemical industry

In conclusion, condensers play a crucial role and are used in various applications ranging from household appliances to industrial applications. They are categorized into different types, and the selection of the type of condenser depends on the application and the cooling requirements.

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References

1. Johnson, K. R., 2016, "The Application of Heat Transfer Fins in Condenser Coils", Heat Transfer Engineering, 37(10), pp. 886-896.

2. Lee, J. E., and Lee, C. S., 2019, "Performance Analysis of Plate-Fin Type Condenser in Heat Pump", Energies, 12(20), p. 4036.

3. Nugaeva, M., Dias, M. M., and Farid, M. M., 2018, "Condenser heat transfer improvement through surface texturing: A review", International Communications in Heat and Mass Transfer, 97, pp. 163-179.

4. Ma, Y., Chen, G., and Cai, Y., 2017, "Design and Simulation of Vertical-Reversed-Thermal-Siphon-Type Air-Cooled Condenser for Air-Source Heat Pump", Applied Sciences, 7(12), p. 1242.

5. Zhu, Y., Li, L., Wang, W., and Liu, L., 2019, "Experimental study on heat transfer performance of horizontal ground-source heat pump system with a finned-tube condenser", Applied Thermal Engineering, 155, pp. 78-91.

6. Zareei, A., and Soltanalizadeh, B., 2020, "Numerical investigation of fin geometry effect on a heat pump condenser performance", Applied Thermal Engineering, 176, p. 115348.

7. Kim, K., Kang, D., Kim, T. K., and Seo, T., 2016, "Study on improved thermal performance of heat pump condenser by flow pattern control using a hydrophobic coating", International Journal of Heat and Mass Transfer, 93, pp. 1005-1012.

8. He, Y., Wang, J., and Yang, Y., 2018, "Investigation of the performance of an evaporative condenser for heat rejection from a space-heating heat pump", Applied Thermal Engineering, 143, pp. 644-657.

9. Xiao, B., Shao, S., Sun, Z., and Sun, Q., 2018, "Experimental study on heat transfer performance of mixed refrigerants in air-cooled condensers", Energy Conversion and Management, 171, pp. 1837-1844.

10. Lira, B. F., Matos, J. R., Weber, M., and de Oliveira, J. C. R., 2017, "Optimization of air-cooled refrigeration condenser system: A case study in a food industry", Applied Thermal Engineering, 114, pp. 382-391.

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