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Pega Hrnjak

The University of Illinois at Urbana-Champaign - Air Conditioning and Refrigeration Center

United States

SCHOLARLY PAPERS

3

DOWNLOADS

204

TOTAL CITATIONS

0

Scholarly Papers (3)

1.

Effect of Liquid-Vapor Two-Phase Flow Maldistribution on the Thermal Performance of Brazed Plate Heat Exchangers

Number of pages: 20 Posted: 10 Oct 2022
Wenzhe Li and Pega Hrnjak
Central South University and The University of Illinois at Urbana-Champaign - Air Conditioning and Refrigeration Center
Downloads 112 (630,858)

Abstract:

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Brazed plate heat exchanger, liquid-vapor two-phase flow, flow maldistribution, performance degradation

2.

Heat Transfer Coefficient and Pressure Gradient of R32 and R1234yf Mixtures in a Microchannel Tube

Number of pages: 26 Posted: 14 Dec 2021
Houpei Li and Pega Hrnjak
Hunan University and The University of Illinois at Urbana-Champaign - Air Conditioning and Refrigeration Center
Downloads 56 (1,000,027)

Abstract:

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Microchannel, Mixture, Evaporation, Heat Transfer, Pressure Drop

3.

The Effects of Defrost-Initiation Criteria on the Performance of an Automotive Reversible Co2 Heat Pump System with Vertically and Horizontally Oriented Outdoor Heat Exchanger

Number of pages: 21 Posted: 26 Nov 2024
Wenying Zhang, Wenzhe Li and Pega Hrnjak
University of Illinois at Urbana-Champaign, Central South University and The University of Illinois at Urbana-Champaign - Air Conditioning and Refrigeration Center
Downloads 36 (1,249,711)

Abstract:

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Automotive Vehicle Heat Pump, CO2, Frosting and Defrosting, Defrost-initiation Criteria, Outdoor Heat Exchanger Orientation.