P. Hrnjak

发表

Deposition, Distribution, and Effects of Frost on a Multi-Row Heat Exchanger Performance

D. M. Carlson, P. Hrnjak, C. Bullard, 2001 .

Condensation of CO2 at Low Temperatures

Predrag Stojan Hrnjak, P. Hrnjak, J. Jang, 2004 .

Condensation Heat Transfer of Carbon Dioxide Inside Horizontal Smooth and Microfin Tubes at Low Temperatures

Predrag Stojan Hrnjak, Min-Soo Kim, P. Hrnjak, 2009 .

CO2 flow condensation heat transfer and pressure drop in multi-port microchannels at low temperatures

Predrag Stojan Hrnjak, Chang Yong Park, P. Hrnjak, 2009 .

Flash gas bypass for improving the performance of transcritical R744 systems that use microchannel evaporators

Predrag Stojan Hrnjak, Stefan Elbel, P. Hrnjak, 2004 .

Flow of Refrigerant 134a Through Orifice Tubes

P. Hrnjak, C. Bullard, P. Hrnjak, 2001 .

Effect of Helix Angle on Flow of R410A during Evaporation inside Horizontal Round Tubes Based on Visualization in Diabatic Condition

P. Hrnjak, Cheng-Min Yang, 2018 .

Effect of the header pressure drop induced flow maldistribution on the microchannel evaporator performance

P. Hrnjak, H. Tuo, 2013 .

Periodical reverse flow and boiling fluctuations in a microchannel evaporator of an air-conditioning system

P. Hrnjak, H. Tuo, 2013 .

Visualization of R410A Flow Boiling in Diabatic Conditions inside Horizontal Round Tubes

P. Hrnjak, Cheng-Min Yang, 2018 .

Refrigerant 134a liquid flow through micro-scale short tube orifices with/without phase change

Predrag Stojan Hrnjak, Clark W. Bullard, Xiao Tu, 2006 .

Flow and Heat Transfer in Microchannels 30 to 300 Microns in Hydraulic Diameter

P. Hrnjak, X. Tu, 2004 .

Flow Of R134a Through Micro- Orifices

P. Hrnjak, C. Bullard, X. Tu, 2002 .

Effect of the condenser subcooling on the performance of vapor compression systems

Predrag Stojan Hrnjak, Gustavo Pottker, P. Hrnjak, 2015 .

Effect of Condenser Subcooling of the Performance of Vapor Compression Systems: Experimental and Numerical Investigation

Predrag Stojan Hrnjak, Gustavo Pottker, P. Hrnjak, 2012 .

Reversing flow in microchannel evaporations

P. Hrnjak, H. Tuo, 2015 .

Adiabatic Developing Two-Phase Refrigerant Flow in Manifolds of Heat Exchangers

P. Hrnjak, P. Fei, P. S. Hrnjak, 2004 .

Single-Phase Pressure Drop Measurements in a Microchannel Heat Exchanger

Predrag Stojan Hrnjak, Clark W. Bullard, P. Hrnjak, 2002 .

Single Phase, Two-Phase Modeling; X-Ray Visualization for a Microchannel Manifold Distribution System

Predrag Stojan Hrnjak, Ty A. Newell, P. Hrnjak, 2002 .

Visualization and measurement of periodic reverse flow and boiling fluctuations in a microchannel evaporator of an air-conditioning system

P. Hrnjak, H. Tuo, 2014 .

Flow Patterns and Mode Transitions for Falling-Film on Flat Tubes

P. Hrnjak, A. Jacobi, M. He, 2014 .

Heat Transfer Performance for a Falling-Film on Horizontal Flat Tubes

P. Hrnjak, A. Jacobi, M. He, 2013 .

Numerical Simulation (CFD) to Explore Optimal Vortex Generator Array Configurations in Air Cooled Condensers

P. Hrnjak, A. Jacobi, M. Y. Wong, 2016 .

Heat transfer and pressure drop of gas coolers

Predrag Stojan Hrnjak, Clark W. Bullard, Xiande Fang, 2001 .

Steady State and Cycling Performance of a Typical R134a Mobile A/C System

Predrag Stojan Hrnjak, D. E. Boewe, R. McEnaney, 1999 .

Experimentally Validated Model of Refrigerant Distribution in a Parallel Microchannel Evaporator

Predrag Stojan Hrnjak, Hanfei Tuo, Algirdas Bielskus, 2012 .

Pressure drop in round cylindrical headers of parallel flow MCHXs: Pressure loss coefficients for single phase flow

P. Hrnjak, P. Hrnjak, T. Ren, 2015 .

An Infrared Thermography Based Method for Quantification of Liquid Refrigerant Distribution in Parallel Flow Microchannel Heat Exchanger

P. Hrnjak, Huize Li, 2015 .

Phase Separation in Second Header of MAC Condenser

P. Hrnjak, Jun Li, 2015 .

An Experimentally Validated Model for Microchannel Heat Exchanger Incorporating Lubricant Effect

P. Hrnjak, Huize Li, 2014 .

Lubricant impact on R134a distribution and microchannel heat exchanger performance

P. Hrnjak, Y. Zou, Huize Li, 2014 .

Lubricant Effect on Performance of R134a MAC Microchannel Evaporators

P. Hrnjak, Huize Li, 2014 .

Single phase pressure drop in round cylindrical headers of parallel flow MCHXs

P. Hrnjak, G. Ding, T. Ren, 2014 .

EXPERIMENTAL AND MODELING STUDY OF LUBRICANT EFFECT ON REFRIGERANT DISTRIBUTION IN MICROCHANNEL EVAPORATORS

P. Hrnjak, 2013 .

Effect of Lubricant on Two-phase Refrigerant Distribution in Microchannel Evaporator

P. Hrnjak, Huize Li, 2013 .

New approach to improve performance by venting periodic reverse vapor flow in microchannel evaporator

P. Hrnjak, H. Tuo, 2013 .

Periodic Reverse Flow and Boiling Fluctuations in a Microchannel Evaporator of an R134a Mobile Air-Conditioning System

P. Hrnjak, H. Tuo, 2013 .

Flash Gas Bypass Method for Improving Performance of an A/C System With a Microchannel Evaporator

P. Hrnjak, H. Tuo, 2012 .

Experimental Investigation of Two-Phase Refrigerant Distribution in a Microchannel Manifold

P. Hrnjak, T. Newell, C. Bowers, 2006 .

Effect of Flash Gas Bypass on the Performance of R134a Mobile Air-Conditioning System with Microchannel Evaporator

P. Hrnjak, H. Tuo, P. Hrnjak, 2011 .

Effect Of Humidity And Inclination Angle On Microchannel Heat Exchanger Performance

P. Hrnjak, C. Bullard, Man-Hoe Kim, 2002 .

Dynamic Wetting Behavior and Water Drops on Microgrooved Surfaces

Md. Ashiqur Rahman, P. Hrnjak, A. Jacobi, 2013 .

Visualization and quantification of separation of liquid-vapor two-phase flow in a vertical header at low inlet quality

P. Hrnjak, Jun Li, 2018 .

Experimentally Validated Effects of Separation of Liquid and Vapor on Performance of Condenser and System

P. Hrnjak, Jun Li, Lili Feng, 2017 .

The Analysis of Phase Separation in Vertical Headers of Microchannel HEs

P. Hrnjak, Jun Li, 2016 .

Effect of Pressure Drop in the Header on Refrigerant Distribution in an Outdoor Reversible Microchannel Heat Exchanger

P. Hrnjak, Y. Zou, 2015 .

Modeling refrigerant maldistribution in microchannel heat exchangers with vertical headers based on experimentally developed distribution results

P. Hrnjak, H. Tuo, Y. Zou, 2014 .

Single-phase flow pressure drop of R134a vapor and liquid in the vertical header of multi-pass microchannel heat exchanger.

P. Hrnjak, Y. Zou, 2014 .

Measurement and Visualization of R134a Distribution in the Vertical Header of the Microchannel Heat Exchanger

P. Hrnjak, Y. Zou, 2013 .

Transient Distribution of Refrigerant and Oil in A Residential Heat Pump Water Heater System

P. Hrnjak, Wenzhe Li, 2017 .

Refrigerant and lubricant charge in air condition heat exchangers: Experimentally validated model

P. Hrnjak, Shenghan Jin, 2016 .

An Experimentally Validated Model for Predicting Refrigerant and Lubricant Inventory in MAC Heat Exchangers

P. Hrnjak, Shenghan Jin, 2014 .

Refrigerant and Lubricant Charge in AC Heat Exchangers: Experimentally Validated Model

P. Hrnjak, Shenghan Jin, 2014 .

Refrigerant and Lubricant Distribution in MAC System

P. Hrnjak, Shenghan Jin, 2013 .

Pressure Drop and Void Fraction in Microchannels Using Carbon Dioxide, Ammonia, and R245fa as Refrigerants

P. Hrnjak, T. Newell, David C. Adams, 2003 .

Fractionation of R-407C in Brazed Plate Evaporators at Low Mass Flux

P. Hrnjak, D. A. Tallitsch, 2001 .

Effect of inclination on pressure drop and flow regimes in large flattened-tube steam condensers

P. Hrnjak, A. Jacobi, William A. Davies, 2017 .

Simulating the Performance of a Heat Exchanger During Frosting

P. Hrnjak, C. Bullard, P. Verma, 2001 .

Void Fraction and Flow Regimes Determined by Visualization, Mass Measurement and New Capacitance Sensor

P. Hrnjak, Hongliang Qian, 2018 .

Visualization and measurement of reverse flow in an actual channel of a microchannel evaporator

P. Hrnjak, Huize Li, 2017 .

Modeling of bubble dynamics in single diabatic microchannel

P. Hrnjak, Huize Li, 2017 .

Quantification of Refrigerant Distribution and Effectiveness in Microchannel Heat Exchangers Using Infrared Thermography

P. Hrnjak, C. Bowers, S. Wujek, 2010 .

Developing Two-Phase R134a Flow after an Expansion Valve in an 8.7mm Tube

P. Hrnjak, C. Bowers, 2008 .

A sensor for estimating the liquid mass fraction of the refrigerant exiting an evaporator

P. Hrnjak, N. Miller, J. Solberg, 2000 .

Flow-Regime-Based Model for Pressure Drop Predictions in Microchannels

Emad W. Jassim, P. Hrnjak, T. Newell, 2006 .

Flow distribution issues in parallel flow heat exchangers

P. Hrnjak, 2004 .

Influence of Surface Morphology on Wetting Behaviors of Liquid Metal during Aluminum Heat Exchanger Fabrication

P. Hrnjak, S. Elbel, Hui Zhao, 2014 .

Capillary Flow of Liquid Metal Occurring in Microchannel Heat Exchanger Fabrication

P. Hrnjak, S. Elbel, Hui Zhao, 2012 .

Experimental investigation of thermal contact resistance in plain-fin-and-tube evaporators with collarless fins

Predrag Stojan Hrnjak, Anthony M. Jacobi, P. Hrnjak, 2003 .

CONTACT RESISTANCE IN PLATE FINNED TUBES HEAT EXCHANGERS: STATE-OF-THE-ART

P. Hrnjak, J. Sheffield, 1990 .

Visualization of the Opening Process of a Discharge Reed Valve in the Presence of Oil

Predrag Stojan Hrnjak, Augusto Jose Pereira Zimmermann, P. Hrnjak, 2014 .

Quantification of flow and retention of oil in compressor discharge pipe

P. Hrnjak, Jiu Xu, 2017 .

Source identification and in situ quantification of oil refrigerant mist generation by discharge valve opening process.

P. Hrnjak, A. Zimmermann, 2014 .

Oil flow at discharge valve in a scroll compressor

Predrag Stojan Hrnjak, Augusto Jose Pereira Zimmermann, P. Hrnjak, 2015 .

Flow Visualization and Experimental Measurement of Compressor Oil Separator

P. Hrnjak, Jiu Xu, 2018 .

Flow Visualization and CFD Simulation of Impinging Oil Separator for Compressors

P. Hrnjak, Jiu Xu, 2018 .

Development Of Microclimate Cooling Systems For Increased Thermal Comfort Of Individuals

P. Hrnjak, S. Elbel, Hui Zhao, 2012 .

Comparative Experimental Study of Subcritical R134a and Transcritical R744 Refrigeration Systems for Mobile Applications

Predrag Stojan Hrnjak, Clark W. Bullard, D. E. Boewe, 1999 .

Experimental and Modeling Investigation of Two Evaporator Automotive Air Conditioning Systems

P. Hrnjak, Steffen Peuker, 2006 .

Visualization and Analysis of Periodic Reverse Flow in an Automobile Microchannel Evaporator

P. Hrnjak, Huize Li, 2016 .

A new method to simultaneously measure local heat transfer and visualize flow boiling in plate heat exchanger

P. Hrnjak, Shenghan Jin, 2017 .

Comparison of R744 and R410A for Residential Heating and Cooling Applications

P. Hrnjak, C. Bullard, M. Richter, 2001 .

Compatibility of filler and base metals in heat exchanger manufacturing process.

P. Hrnjak, S. Elbel, Hui Zhao, 2018 .

Flow Modes and Mode Transitions for Falling Films on Flat Tubes

Predrag Stojan Hrnjak, Maogang He, Stefan Elbel, 2012 .

Condensation from superheated vapor flow of R744 and R410A at subcritical pressures in a horizontal smooth tube

P. Hrnjak, C. Kondou, 2012 .

Quantification of liquid refrigerant distribution in parallel flow microchannel heat exchanger using infrared thermography

Predrag Stojan Hrnjak, P. Hrnjak, Huize Li, 2014 .

Accelerated Thermal Cycling test for Heat Exchangers Used in Reversible Heat Pump

P. Hrnjak, S. Elbel, C. Bowers, 2014 .

Single phase pressure drop in microchannels

Predrag Stojan Hrnjak, Xiao Tu, P. Hrnjak, 2007 .

The role of suction line heat exchanger in transcritical R744 Mobile A/C systems

Predrag Stojan Hrnjak, Clark W. Bullard, D. E. Boewe, 1999 .

Clutch Cycling Mode of Compressor Capacity Control of Transcritical R744 Systems Compared to R134a Systems

Predrag Stojan Hrnjak, R. McEnaney, P. Hrnjak, 2005 .

Experimental results of transcritical CO2 heat pump for residential application

Clark W. Bullard, Man-Hoe Kim, Predrag Stojan Hrnjak, 2003 .

TRANSCRITICAL CO 2 MOBILE HEAT PUMP AND A / C SYSTEM EXPERIMENTAL AND MODEL RESULTS

C. W. Bullard, P. Hrnjak, C. Bullard, 2000 .

Performance of the Prototype of a Transcritical R744 Mobile A/C System

Predrag Stojan Hrnjak, R. McEnaney, P. Hrnjak, 1999 .

Thin-film resistance sensor for measuring liquid mass fraction in super-heated refrigerant

Predrag Stojan Hrnjak, Norman Miller, Mark A. Shannon, 2001 .

Integrated Mesoscopic Cooler Circuits (IMCCs)

Predrag Stojan Hrnjak, Anthony M. Jacobi, Norman Miller, 1999, Advanced Energy Systems.

Effect of oil on R134a distribution in the microchannel heat exchanger with vertical header

P. Hrnjak, Y. Zou, 2014 .

Flash gas bypass in mobile air conditioning system with R134a

Predrag Stojan Hrnjak, Hanfei Tuo, P. Hrnjak, 2012 .

Effect of periodic reverse flow on the heat transfer performance of microchannel evaporators.

P. Hrnjak, Huize Li, 2017 .

CO2 and R410A flow boiling heat transfer, pressure drop, and flow pattern at low temperatures in a horizontal smooth tube

Predrag Stojan Hrnjak, Chang Yong Park, P. Hrnjak, 2007 .

Characterization of Two -Phase Flow in Microchannels

Predrag Stojan Hrnjak, Ty A. Newell, P. Hrnjak, 2002 .

Measurement of the Relationship Between Oil Circulation and Compressor Lubrication in a Mobile AlC System: Part One

Predrag Stojan Hrnjak, Ty A. Newell, C. Cusano, 2000 .

Investigation of Control Strategies for Reducing Mobile Air Conditioning Power Consumption

A. Alleyne, P. Hrnjak, C. Bullard, 2002 .

Methods for detection of lubrication failure applied to a swashplate compressor

Predrag Stojan Hrnjak, Norman Miller, J. Chappell, 2000 .

Designated vs Non-designated Areas for Condenser Subcooling

Predrag Stojan Hrnjak, Gustavo Pottker, P. Hrnjak, 2012 .

Experimental investigation of an R410A vapour compression system working with an ejector.

Predrag Stojan Hrnjak, Gustavo Pottker, Bei Guo, 2010 .

Effect of some geometric parameters on performance of PF2 heat exchangers in periodic frosting

P. Hrnjak, Ping Zhang, 2010 .

Effect of Louver Angle on Performance of Heat Exchanger With Serpentine Fins and Flat Tubes in Periodic Frosting

P. Hrnjak, Ping Zhang, Chris Rennels, 2012 .

Effect of Return Bend and Entrance on Heat Transfer in Thermally Developing Laminar Flow in Round Pipes of Some Heat Transfer Fluids With High Prandtl Numbers

P. Hrnjak, S. Hong, 2010 .

Experiment and visualization on R134a upward flow in the vertical header of microchannel heat exchanger and its effect on distribution

Predrag Stojan Hrnjak, P. Hrnjak, Yang Zou, 2013 .

An experimentally validated model for microchannel condensers with separation circuitry

P. Hrnjak, Jun Li, 2018, Applied Thermal Engineering.

Oil Retention and Pressure Drop in Horizontal and Vertical Suction Lines with R410A/POE

P. Hrnjak, Kurt F. Zoellick, 2010 .

Pressure Drop Measurements in Microchannel Heat Exchanger

P. Hrnjak, C. Bullard, J. Yin, 2000 .

Flow Boiling Heat Transfer, Pressure Drop, and Flow Pattern for CO2 in a 3.5mm Horizontal Smooth Tube

P. Hrnjak, C. Park, 2009 .

Carbon Dioxide and R410a Flow Boiling Heat Transfer, Pressure Drop, and Flow Pattern in Horizontal Tubes at Low Temperatures

P. Hrnjak, C. Y. Park, 2007 .

Using Change Point Analysis for Image Processing of Developing Adiabatic Two-Phase Flow After Expansion Valve

Predrag Stojan Hrnjak, Chad D. Bowers, P. Hrnjak, 2007 .

Determination of Void Fraction in Separated Two-Phase Flows Using Optical Techniques

P. Hrnjak, C. Bowers, 2010 .

Contribution of Internal Heat Exchanger to Transcritical R-744 Cycle Performance

Predrag Stojan Hrnjak, Clark W. Bullard, D. E. Boewe, 2001 .

Air-side performance of a parallel-flow parallel-fin (PF2) heat exchanger in sequential frosting

P. Hrnjak, Ping Zhang, 2010 .

Air-side performance evaluation of three types of heat exchangers in dry, wet and periodic frosting conditions

Predrag Stojan Hrnjak, P. Hrnjak, Ping Zhang, 2006 .

Frost, defrost, and refrost and its impact on the air-side thermal-hydraulic performance of louvered-fin, flat-tube heat exchangers

Predrag Stojan Hrnjak, Anthony M. Jacobi, P. Hrnjak, 2006 .

Heat flux variation between neighboring channels in compact minichannel heat exchangers

P. Hrnjak, A. Jacobi, D. Khovalyg, 2018 .

Experimental Study of System Performance Improvements in Transcritical R744 Systems with Applications to Bottle Coolers

P. S. Hrnjak, J. M. DeAngelis, P. Hrnjak, 2005 .

Refrigerant distribution in the vertical header of the microchannel heat exchanger – Measurement and visualization of R410A flow

Predrag Stojan Hrnjak, P. Hrnjak, Yang Zou, 2013 .

An Analytical and Empirical Study of Frost Accumulation Effects on Louvered-Fin, Microchannel Heat Exchangers

P. Hrnjak, A. Jacobi, Y. Xia, 2006 .

Interactions Between Parallel Unevenly Heated Minichannels During Flow Boiling of R134A

P. Hrnjak, A. Jacobi, D. Khovalyg, 2016 .

Two-Phase Flow Visualization of R134A in a Multiport Microchannel Tube

Predrag Stojan Hrnjak, Ty A. Newell, P. Hrnjak, 2003 .

Modeling Mist to Annular Flow Development in the Discharge of a Compressor

Predrag Stojan Hrnjak, Scott S. Wujek, P. Hrnjak, 2012 .

Thermosiphon with vapor separation: Experimental comparison to conventional type

Lin Zhu, Predrag Stojan Hrnjak, P. Hrnjak, 2017 .

Void Fraction of CO2 and Ammonia in Multiport Aluminum Microchannel Tubes

P. Hrnjak, T. Newell, J. Burr, 2006 .

Heat Transfer in Thermally Developing Flow of Fluids with High Prandtl Numbers Preceding and Following U-Bend

P. Hrnjak, S. Hong, 1999 .

Refrigerant Charge Reduction in Small Commercial Refrigeration Systems

Predrag Stojan Hrnjak, Lingyan Jiang, P. Hrnjak, 2014 .

Developments in charge reduction and microchannel technology: mass flux as a way to affect void fraction-charge.

P. Hrnjak, 2010 .

Controlled Atmosphere Brazing of Aluminum Heat Exchangers

P. Hrnjak, S. Elbel, Hui Zhao, 2013 .

An Experimentally Validated Model of Single-Phase Flow Distribution in Brazed Plate Heat Exchangers

P. Hrnjak, Wenzhe Li, 2018 .

Two-Phase Pressure Drop and Flow Regime of Refrigerants and Refrigerant -Oil Mixtures in Small Channels

P. Hrnjak, B. Field, Arçelik A S, 2007 .

An Experimental Investigation of Pressure Drop and Heat Transfer in an In-Tube Condensation System of Ammonia with and Without Miscible Oil in Smooth and Enhanced Tubes

P. Hrnjak, T. Newell, H. B. Komandiwirya, 2005 .

Ejector Refrigeration: An Overview of Historical and Present Developments with an Emphasis on Air-Conditioning Applications

Predrag Stojan Hrnjak, Stefan Elbel, P. Hrnjak, 2008 .

Pressure Drop of Two-Phase Refrigerant-Oil Mixtures in a Small Channel

P. Hrnjak, B. Field, 2006 .

Charge Reduction Potentials of Several Refrigerants Based on Experimentally Validated Micro-Channel Heat Exchangers Performance and Charge Model

P. Hrnjak, Y. Fuentes, Y. P. Fuentes, 2012 .

Adiabatic Horizontal and Vertical Pressure Drop of Carbon Dioxide Inside Smooth and Microfin Tubes at Low Temperatures

P. Hrnjak, Y. Kim, Jeremy Jang, 2008 .

Charge Minimization of Microchannel Heat Exchangers

P. Hrnjak, K. Traeger, 2005 .

Charge Minimization in Systems and Components Using Hydrocarbons as a Refrigerant

P. Hrnjak, P. S. Hrnjak, M. R. Hoehne, 2004 .

Condensation of Ammonia in Microchannel Heat Exchangers

P. Hrnjak, A. D. Litch, 1999 .

Refrigerant Expansion Noise Propagation Through Downstream Tube Walls

P. Hrnjak, N. Miller, G. Singh, 1999 .

Effect of heat conduction through the fins of a microchannel serpentine gas cooler of transcritical CO2 system

Predrag Stojan Hrnjak, Chang Yong Park, P. Hrnjak, 2007 .

R-744 gas cooler model development and validation

P. Hrnjak, C. Bullard, J. Yin, 2001 .

Large Eddy Simulations of Particle Dispersion and Deposition in a Turbulent Square Duct Flow

Surya Pratap Vanka, Chad Winkler, P. Hrnjak, 2002 .

Modeling of a Reversible Air Conditioning-Heat Pump System for Electric Vehicles

P. Hrnjak, Lili Feng, 2016 .

An Experimental Investigation of Pressure Drop and Heat Transfer in an In-Tube Condensation System of Pure Ammonia

P. Hrnjak, T. Newell, J. Vollrath, 2003 .

Pressure Drop in Condensing Superheated Zone

P. Hrnjak, M. Meyer, 2014 .

Evaluation of Secondary Fluids for Use in Low-Temperature Supermarket Applications

P. Hrnjak, W. Terrell, Y. Mao, 1999 .

Flow Boiling Heat Transfer of CO2 at Low Temperatures in a Horizontal Smooth Tube

Predrag Stojan Hrnjak, Chang Yong Park, P. Hrnjak, 2005 .

Effect of straight micro fins on heat transfer and pressure drop of R410A during evaporation in round tubes

P. Hrnjak, Cheng-Min Yang, 2018 .

Superheat Stability of an Evaporator and Thermostatic Expansion Valve

A. M. Jacobi, P. Hrnjak, A. Jacobi, 1998 .

CO2 Flow Boiling Heat Transfer and Flow Pattern at Low Temperatures in Horizontal Smooth Tubes

P. Hrnjak, C. Park, 2006 .

Two-Phase Refrigerant Maldistribution in the Vertical Header and its Effect on the Heat Exchanger Performance as Evaporator in Heat Pump Mode

P. Hrnjak, H. Tuo, Y. Zou, 2012 .

Refrigerant distribution in the inlet header of plate evaporators

Predrag Stojan Hrnjak, P. Hrnjak, P. Fei, 2002 .

Frost deposition and refrigerant distribution in microchannel heat exchangers

Predrag Stojan Hrnjak, Clark W. Bullard, P. Hrnjak, 2002 .

CO2 and R410A Flow Boiling Heat Transfer and Pressure Drop at Low Temperatures in a Horizontal Smooth Tube

P. Hrnjak, C. Park, 2006 .

Pressure drop in D shaped cylindrical headers of parallel flow MCHXs: Pressure loss coefficients for single phase flow

P. Hrnjak, T. Ren, 2014 .

Experimental Investigation of Two-Phase Refrigerant Distribution in a Microchannel Manifold

Predrag Stojan Hrnjak, Ty A. Newell, Chad D. Bowers, 2006 .

PURE NH3 AND CO2 HEAT TRANSFER AND PRESSURE DROP IN HORIZONTAL SMOOTH TUBES FOR NH3 TWO-STAGE AND NH3/CO2 CASCADE REFRIGERATION SYSTEMS: A REVIEW

P. Hrnjak, C. Park, 2010 .

Effects of Distribution in Headers of Microchannel Evaporators on Transcritical CO2 Heat Pump Performance

Predrag Stojan Hrnjak, Clark W. Bullard, P. Hrnjak, 2000, Advanced Energy Systems.

An Experimental Investigation of Transcritical Carbon Dioxide Systems for Residential Air Conditioning

Predrag Stojan Hrnjak, Clark W. Bullard, P. Hrnjak, 1999 .

Improved R134A Mobile Air Conditioning Systems

P. Hrnjak, S. Nelson, 2002 .

Two Phase Pressure Drop of CO2, Ammonia, and R245fa in Multiport Aluminum Microchannel Tubes

P. Hrnjak, T. Newell, J. Burr, 2006 .

Effect of Shorter Compressor On/Off Cycle Times on A/C System Performance

Clark W. Bullard, Predrag Stojan Hrnjak, S. M. Ilic, 2001 .