Two Phase Heat Transfer Coefficient for Minichannel Condensers

6 Pages Posted: 12 Feb 2018

See all articles by V. Bhatkar

V. Bhatkar

Marathwada Mitra Mandal's College of Engineering (MMCOE)

V. M. Kriplani

G.H. Raisoni College of Engineering

G. K. Awari

Gaikwad-Patil College of Engineering

Date Written: December 21, 2017

Abstract

Vapour compression refrigeration (VCR) system was designed, developed and fabricated for testing alternative refrigerants such as R152a, R600a, R290 and mixture of R290/R600a (50/50 by wt %) over presently used R134a with aluminium minichannel condenser. In the test set up, heater bank was provided for controlling condensation temperature and evaporator temperature along with sub-cooling and superheating temperature by using PID controllers. All the refrigerants were tested for condensation temperature ranging from 40 to 55 °C while evaporation temperature ranges from -15 to 15 °C. Refrigerant charge was reduced drastically with the minichannel condenser over the conventional condenser. Two phase condensation heat transfer coefficient correlation was developed from the experimental data points to design minichannel and conventional condenser and found in good agreement with the existing well known correlations.

Keywords: Minichannel, Refrigerants, Two Phase

Suggested Citation

Bhatkar, V. and Kriplani, V. M. and Awari, G. K., Two Phase Heat Transfer Coefficient for Minichannel Condensers (December 21, 2017). International Conference on Advances in Thermal Systems, Materials and Design Engineering (ATSMDE2017). Available at SSRN: https://ssrn.com/abstract=3101285 or http://dx.doi.org/10.2139/ssrn.3101285

V. Bhatkar (Contact Author)

Marathwada Mitra Mandal's College of Engineering (MMCOE) ( email )

Sr.No. 18, Plot No. 5/3, CTS No.205
Behind Vandevi Temple, Karvenagar
Pune, 411052
India

V. M. Kriplani

G.H. Raisoni College of Engineering

345, ‘Shradha House’ Kingsway
Nagpur, Maharashtra 440001
India

G. K. Awari

Gaikwad-Patil College of Engineering

Mohagaon, Wardha Road,
Nagpur, Maharashtra 441108
India

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