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Experimental Investigation of a Household Refrigerator Performance Using Chimney-Type Condenser

  • Research Article - Mechanical Engineering
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Abstract

In this study, the condenser unit was investigated experimentally in order to search for the effect of using chimney on the performance of a household refrigerator charged with 139 g of R134a refrigerant. An experimental design based on chimney-type condenser has been developed, and three chimneys having different size were produced. A series of measurements were conducted over the climatic conditions of Karabük/Turkey, and results show that the efficiency and energy consumption of the refrigerator vary with the chimney height. Results showed that the best performance observed was for the 170 cm chimney height. Energy consumption of natural convection with chimney was found less than that of natural convection by 5 and 10 % for the loaded and unloaded situations of the refrigerator.

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Abbreviations

P :

Pressure (kPa)

T :

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

V :

Voltage (V)

I :

Current (A)

h :

Specific enthalpy (kJ/kg)

q :

Rate of heat transfer (kJ/kg)

\({\dot{m}}\) :

Mass flow rate (kg/s)

\({\dot{Q}}\) :

Thermal power (kW)

\({\dot{W}}\) :

Power (kW)

COP:

Coefficient of performance

NC:

Natural convection

NCC:

Natural convection with chimney

\({\Delta}\) :

Delta

comp:

Compressor

cond:

Condenser

evp:

Evaporator

a:

Ambient

i:

Inlet

o:

Outlet

ke:

Kinetic energy

pe:

Potential energy

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Authors and Affiliations

  1. Faculty of Technology, Karabük University, Karabük, Turkey

    Engin Gedik, Erdoğan Kılıçaslan, Bahadır Acar & Alper Ergün

  2. Ondokuz Mayıs University, Samsun, Turkey

    Engin Özbaş

Authors
  1. Engin Gedik
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  2. Erdoğan Kılıçaslan
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  3. Bahadır Acar
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  4. Alper Ergün
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  5. Engin Özbaş
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Correspondence to Engin Gedik.

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Gedik, E., Kılıçaslan, E., Acar, B. et al. Experimental Investigation of a Household Refrigerator Performance Using Chimney-Type Condenser. Arab J Sci Eng 41, 1691–1697 (2016). https://doi.org/10.1007/s13369-015-1919-z

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  • DOI: https://doi.org/10.1007/s13369-015-1919-z

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