Arabian Journal for Science and Engineering

, Volume 44, Issue 2, pp 753–761 | Cite as

Replacement of Present Conventional Condenser of Household Refrigerator by Louver Fin Micro-Channel Condenser

  • Mohammad Harun-Or-RashidEmail author
  • Ji Hwan Jeong
Research Article - Mechanical Engineering


In this paper, numerical simulation of wire on tube condenser and louver fin micro-channel heat exchanger is discussed. Simulation data of both heat exchangers were compared with the experimental data, and they show good agreement. In case of louver fin micro-channel heat exchanger, prediction error of heat capacity was within ± 5%. In addition, from the result of simulation, it was found that, for same thermal performance, micro-channel heat exchanger occupies less space as well as requires less refrigerant charge than wire on tube condenser. Therefore, in this paper, two louver fin micro-channel condensers are proposed to replace wire on tube condenser of household refrigerator. Response surface methodology was used to find out the optimal condition of the louver fin micro-channel condenser.


Micro-channel Louver fin Response surface methodology Wire on tube heat exchanger 

List of symbols


Specific heat (J \(\hbox {kg}^{-1}\hbox { K}^{-1}\))


Hydraulic diameter (m)


Friction factor


Mass velocity (kg \(\hbox {m}^{-2}\,\hbox {s}^{-1}\))


Heat transfer coefficient (W \(\hbox {m}^{-2}\hbox {K}^{-1}\))


Heat exchanger


Colburn factor


Tube segment length (m)


Mass flow rate (kg \(\hbox {s}^{-1}\))


Micro-channel heat exchanger

\(\Delta P\)

Pressure drop (Pa)


Prandtl number


Temperature (\(^{\circ }\)C)


Velocity (\(\hbox {m s}^{-1}\))










Greek symbol

\(\rho \)

Density (kg \(\hbox {m}^{-3}\))


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Copyright information

© King Fahd University of Petroleum & Minerals 2018

Authors and Affiliations

  1. 1.Department of Mechanical and Production EngineeringAhsanullah University of Science and TechnologyDhakaBangladesh
  2. 2.School of Mechanical EngineeringPusan National UniversityBusanRepublic of Korea

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