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Academic Unit

College of Engineering 115
Dept. of Mechanical Science and Engineering 114
Air Conditioning and Refrigeration Center (ACRC) 78
Graduate Dissertations and Theses at Illinois 40
Dept. of Theoretical and Applied Mechanics (1926-2006) 1

Collection

Technical Reports - Air Conditioning and Refrigeration Center 48
Graduate Dissertations and Theses at Illinois 40
Dissertations and Theses - Mechanical Science and Engineering 36
Contract Reports - Air Conditioning and Refrigeration Center 30
Dissertations and Theses - Theoretical and Applied Mechanics (TAM) 1

Author(s)

Hrnjak, P.S. 62
Bullard, C.W. 21
Newell, T.A. 15
Miller, N.R. 14
Rodarte, E. 7
Alleyne, Andrew G. 5
Yin, J.M. 5
Jacobi, A.M. 4
Chappell, J.D. 3
Cusano, C. 3

Keyword(s)

pressure drop 14
mobile air conditioning systems 12
microchannels 10
R-744 8
two-phase flow 7
heat transfer 6
heat exchangers 5
Engineering, Mechanical 4
R-134A 4
void fraction 4

Type of Resource

text 95
Thesis 5

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Showing 1–30 of 118 items

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Thumbnail for Charge Minimization in Systems and Components Using Hydrocarbons as a Refrigerant

Charge Minimization in Systems and Components Using Hydrocarbons as a Refrigerant

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

Thumbnail for Experimental Study of System Performance Improvements in Transcritical R744 Systems for Mobile Air-Conditioning and Heat Pumping

Experimental Study of System Performance Improvements in Transcritical R744 Systems for Mobile Air-Conditioning and Heat Pumping

Giannavola, M.S.; Hrnjak, P.S.

Thumbnail for Improved R134A Mobile Air Conditioning Systems

Improved R134A Mobile Air Conditioning Systems

Nelson, S.M.; Hrnjak, P.S.

Thumbnail for R744 Gas Cooler Model Development and Validation

R744 Gas Cooler Model Development and Validation

Yin, J.M.; Bullard, C.W.; Hrnjak, P.S.

Thumbnail for Experimental and Analytical Validation of New Approaches to Improve Transcritical CO2 Environmental Control Units

Experimental and Analytical Validation of New Approaches to Improve Transcritical CO2 Environmental Control Units

Ebel, S.W.; Hrnjak, P.S.

Thumbnail for An Experimental Investigation of Two-Phase Flow Distribution in Microchannel Manifolds

An Experimental Investigation of Two-Phase Flow Distribution in Microchannel Manifolds

Yoo, T.; Hrnjak, P.S.; Newell, T.A.

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

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

Tu, X.; Hrnjak, P.S.

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

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

Park, C.Y.; Hrnjak, P.S.

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

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

Beaver, A.C.; Yin, J.M.; Bullard, C.W.; Hrnjak, P.S.

Thumbnail for An Investigation of Control-Related Issues In Transcritical R744 and Subcritical R134a Mobile Air Conditioning Systems

An Investigation of Control-Related Issues In Transcritical R744 and Subcritical R134a Mobile Air Conditioning Systems

McEnaney, R.P.; Yin, J.M.; Bullard, C.W.; Hrnjak, P.S.

Thumbnail for Experimental Investigation of Viscous Two-Phase Flow in Microchannels

Experimental Investigation of Viscous Two-Phase Flow in Microchannels

Burr, J.D.; Newell, T.A.; Hrnjak, P.S.

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

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

Boewe, D.E.; McEnaney, R.P.; Park, Y.C.; Yin, J.M.; Bullard, C.W.; Hrnjak, P.S.

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

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

Terrell, Jr., W.J.; Mao, Y.; Hrnjak, P.S.

Thumbnail for Designing and Optimizing Systems for Compressor Rapid Cycling

Designing and Optimizing Systems for Compressor Rapid Cycling

Uribe, T.; Bullard, C.W.; Hrnjak, P.S.

Thumbnail for Comparison of R744 and R410A for Residential Heating and Cooling Applications

Comparison of R744 and R410A for Residential Heating and Cooling Applications

Richter, M.R.; Bullard, C.W.; Hrnjak, P.S.

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

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

Bowers, C.D.; Newell, T.A.; Hrnjak, P.S.

Thumbnail for Exploratory Research on MEMS Technology for Air Conditioning and Heat Pumps

Exploratory Research on MEMS Technology for Air Conditioning and Heat Pumps

Leicht, T.M.; Hrnjak, P.S.; Shannon, Mark A.

Thumbnail for Simulating the Performance of a Heat Exchanger During Frosting

Simulating the Performance of a Heat Exchanger During Frosting

Verma, P.; Bullard, C.W.; Hrnjak, P.S.

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

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

Carlson, D.M.; Hrnjak, P.S.; Bullard, C.W.

Thumbnail for Condensation of CO2 at Low Temperatures

Condensation of CO2 at Low Temperatures

Jang, J.; Hrnjak, P.S.

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

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

Hong, S.H.; Hrnjak, P.S.

Thumbnail for Condensation of Ammonia in Microchannel Heat Exchangers

Condensation of Ammonia in Microchannel Heat Exchangers

Litch, A.D.; Hrnjak, P.S.

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

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

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

Thumbnail for Noise Generation from Expansion Devices in Refrigerant

Noise Generation from Expansion Devices in Refrigerant

Singh, G.M.; Rodarte, E.; Miller, N.R.; Hrnjak, P.S.

Thumbnail for Evaporator Calorimeter: The Study of Overall Heat Transfer Performance

Evaporator Calorimeter: The Study of Overall Heat Transfer Performance

Davis, M.A.; Jacobi, A.M.; Hrnjak, P.S.

Thumbnail for Continued Research on Plate Evaporator Noise Emission: Final Report

Continued Research on Plate Evaporator Noise Emission: Final Report

Miller, N.R.; Hrnjak, P.S.; Rodarte, E.

Thumbnail for Acoustic Resonance in Plate Evaporators

Acoustic Resonance in Plate Evaporators

Hrnjak, P.S.; Miller, N.R.; Rodarte, E.

Thumbnail for Transient Tests of A/C System Performed on a Caravan 1997

Transient Tests of A/C System Performed on a Caravan 1997

Miller, N.R.; Hrnjak, P.S.; Rodarte, E.

Thumbnail for Experimental and Modeling Investigation of Two Evaporator Automotive Air Conditioning Systems

Experimental and Modeling Investigation of Two Evaporator Automotive Air Conditioning Systems

Peuker, S.; Hrnjak, P.S.

Thumbnail for Experimental Investigation of an Environmental Control Unit Utilizing Carbon Dioxide for Heating and Cooling

Experimental Investigation of an Environmental Control Unit Utilizing Carbon Dioxide for Heating and Cooling

Wujek, S.S.; Hrnjak, P.S.

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