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1

Analysis of recycled PET bottles products by pyrolysis-gas chromatography

Dimitrov, Nino, Kratofil Krehula, Ljerka, Ptiček Siročić, Anita, Hrnjak-Murgić, Zlata

Journal:

Polymer Degradation and Stability

Year:

2013

Language:

english

File:

PDF, 1.11 MB

english, 2013

2

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

Stefan Elbel, Pega Hrnjak

Journal:

International Journal of Refrigeration

Year:

2004

Language:

english

File:

PDF, 720 KB

english, 2004

3

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

Chieko Kondou, Pega Hrnjak

Journal:

International Journal of Heat and Mass Transfer

Year:

2012

Language:

english

File:

PDF, 1.36 MB

english, 2012

4

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

Tuo, Hanfei, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2014

Language:

english

File:

PDF, 5.03 MB

english, 2014

5

Effects of fluid properties on two-phase flow and refrigerant distribution in the vertical header of a reversible microchannel heat exchanger – Comparing R245fa, R134a, R410A, and R32

Zou, Yang, Hrnjak, Pega S.

Journal:

Applied Thermal Engineering

Year:

2014

Language:

english

File:

PDF, 3.15 MB

english, 2014

6

Effect of end plates on heat transfer of plate heat exchanger

Jin, Shenghan, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2017

Language:

english

File:

PDF, 2.42 MB

english, 2017

7

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

C.Y. Park, P.S. Hrnjak

Journal:

International Journal of Refrigeration

Year:

2007

Language:

english

File:

PDF, 750 KB

english, 2007

8

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

A.I. ElSherbini, A.M. Jacobi, P.S. Hrnjak

Journal:

International Journal of Refrigeration

Year:

2003

Language:

english

File:

PDF, 318 KB

english, 2003

9

Single phase pressure drop in microchannels

Pega Hrnjak, Xiao Tu

Journal:

International Journal of Heat and Fluid Flow

Year:

2007

Language:

english

File:

PDF, 462 KB

english, 2007

10

Microchannel heat exchangers for charge minimization in air-cooled ammonia condensers and chillers

Pega Hrnjak, Andy D. Litch

Journal:

International Journal of Refrigeration

Year:

2008

Language:

english

File:

PDF, 1.32 MB

english, 2008

11

Effect of venting the periodic reverse vapor flow on the performance of a microchannel evaporator in air-conditioning systems

Tuo, Hanfei, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2014

Language:

english

File:

PDF, 3.77 MB

english, 2014

12

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

Zou, Yang, Tuo, Hanfei, Hrnjak, Pega S.

Journal:

Applied Thermal Engineering

Year:

2014

Language:

english

File:

PDF, 2.89 MB

english, 2014

13

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

Zou, Yang, Hrnjak, Pega S.

Journal:

International Journal of Heat and Mass Transfer

Year:

2013

Language:

english

File:

PDF, 3.40 MB

english, 2013

14

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

Ren, Tao, Hrnjak, Pega

Journal:

International Journal of Refrigeration

Year:

2015

Language:

english

File:

PDF, 1.26 MB

english, 2015

15

Single-phase and two-phase flow pressure drop in the vertical header of microchannel heat exchanger

Zou, Yang, Hrnjak, Pega S.

Journal:

International Journal of Refrigeration

Year:

2014

Language:

english

File:

PDF, 5.56 MB

english, 2014

16

Numerical simulation of three dimensional two-phase flow and prediction of oil retention in an evaporator of the automotive air conditioning system

Stevanovic, Vladimir D., Hrnjak, Pega

Journal:

Applied Thermal Engineering

Year:

2017

Language:

english

File:

PDF, 1.03 MB

english, 2017

17

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

Jin, Shenghan, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2017

Language:

english

File:

PDF, 4.88 MB

english, 2017

18

Effect of refrigerant thermophysical properties on flow reversal in microchannel evaporators

Li, Huize, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2018

Language:

english

File:

PDF, 4.02 MB

english, 2018

19

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

Yang, Cheng-Min, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2018

Language:

english

File:

PDF, 4.95 MB

english, 2018

20

Pressure drop of R134a, R32 and R1233zd(E) in diabatic conditions during condensation from superheated vapor

Xiao, Jiange, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2018

Language:

english

File:

PDF, 2.00 MB

english, 2018

21

Heat transfer and pressure drop of R32 evaporating in one pass microchannel tube with parallel channels

Li, Houpei, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2018

File:

PDF, 4.07 MB

2018

22

SAE Technical Paper Series [SAE International Vehicle Thermal Management Systems Conference & Exposition - (MAY. 10, 2005)] SAE Technical Paper Series - Clutch Cycling Mode of Compressor Capacity Control of Transcritical R744 Systems Compared to R134a Systems

Mcenaney, Ryan, Hrnjak, Pega

Year:

2005

Language:

english

File:

PDF, 507 KB

english, 2005

23

Heat transfer and pressure drop of R32 evaporating in one pass microchannel tube with parallel channels

Li, Houpei, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2018

Language:

english

File:

PDF, 4.07 MB

english, 2018

24

Flow patterns and plug/slug flow characteristic of R134a in a 0.643 mm microchannel tube

Li, Houpei, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2019

Language:

english

File:

PDF, 2.91 MB

english, 2019

25

SOUND ATTENUATION IN TUBES DUE TO VISCO-THERMAL EFFECTS

E. RODARTE, G. SINGH, N.R. MILLER, P. HRNJAK

Journal:

Journal of Sound and Vibration

Year:

2000

Language:

english

File:

PDF, 277 KB

english, 2000

26

Experimental investigation on two-phase flow boiling heat transfer of five refrigerants in horizontal small tubes of 0.5, 1.5 and 3.0 mm inner diameters

Jong-Taek Oh, A.S. Pamitran, Kwang-Il Choi, Pega Hrnjak

Journal:

International Journal of Heat and Mass Transfer

Year:

2011

Language:

english

File:

PDF, 2.36 MB

english, 2011

27

Heat rejection from R744 flow under uniform temperature cooling in a horizontal smooth tube around the critical point

Chieko Kondou, Pega Hrnjak

Journal:

International Journal of Refrigeration

Year:

2011

Language:

english

File:

PDF, 1.86 MB

english, 2011

28

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

M.A. Shannon, T.M. Leicht, P.S. Hrnjak, N.R. Miller, F.A. Khan

Journal:

Sensors and Actuators A: Physical

Year:

2001

Language:

english

File:

PDF, 849 KB

english, 2001

29

Detection of liquid mass fraction at the evaporator exit of refrigeration systems

Pega S Hrnjak, Mark A Shannon, Todd M Leicht, Norman R Miller

Journal:

International Journal of Thermal Sciences

Year:

2001

Language:

english

File:

PDF, 545 KB

english, 2001

30

Experimental and numerical study on microchannel and round-tube condensers in a R410A residential air-conditioning system

Chang Yong Park, Pega Hrnjak

Journal:

International Journal of Refrigeration

Year:

2008

Language:

english

File:

PDF, 921 KB

english, 2008

31

Experimental validation of a prototype ejector designed to reduce throttling losses encountered in transcritical R744 system operation

Stefan Elbel, Pega Hrnjak

Journal:

International Journal of Refrigeration

Year:

2008

Language:

english

File:

PDF, 1.05 MB

english, 2008

32

Flash gas bypass in mobile air conditioning system with R134a

Tuo, Hanfei, Hrnjak, Pega

Journal:

International Journal of Refrigeration

Year:

2012

Language:

english

File:

PDF, 1.92 MB

english, 2012

33

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

Tuo, Hanfei, Hrnjak, Pega

Journal:

International Journal of Refrigeration

Year:

2013

Language:

english

File:

PDF, 4.49 MB

english, 2013

34

Aridity in Vojvodina, Serbia

Ivana Hrnjak, Tin Lukić, Milivoj B. Gavrilov…

Journal:

Theoretical and Applied Climatology

Year:

2014

Language:

english

File:

PDF, 658 KB

english, 2014

35

Development of low density polyethylene nanocomposites films for packaging

Siročić, Anita Ptiček, Rešček, Ana, Ščetar, Mario, Krehula, Ljerka Kratofil, Hrnjak-Murgić, Zlata

Journal:

Polymer Bulletin

Year:

2014

Language:

english

File:

PDF, 916 KB

english, 2014

36

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

Ren, Tao, Hrnjak, Pega

Journal:

Applied Thermal Engineering

Year:

2014

Language:

english

File:

PDF, 4.57 MB

english, 2014

37

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

Tuo, Hanfei, Hrnjak, Pega

Journal:

International Journal of Refrigeration

Year:

2013

Language:

english

File:

PDF, 3.04 MB

english, 2013

38

Thermal decomposition of fire-retarded high-impact polystyrene and high-impact polystyrene/ethylene-vinyl acetate blend nanocomposites followed by thermal analysis

Katanci , Z., Trava -Sejdi , J., Hrnjak-Murgi , Z., Jelenci , J.

Journal:

Journal of Elastomers and Plastics

Year:

2014

Language:

english

File:

PDF, 721 KB

english, 2014

39

Developing Adiabatic Two Phase Flow in Headers—Distribution Issue in Parallel Flow Microchannel Heat Exchangers

Journal:

Heat Transfer Engineering

Year:

2004

Language:

english

File:

PDF, 8.90 MB

english, 2004

40

[IEEE 2012 IEEE Energy Conversion Congress and Exposition (ECCE) - Raleigh, NC, USA (2012.09.15-2012.09.20)] 2012 IEEE Energy Conversion Congress and Exposition (ECCE) - Design and evaluation of interior permanent magnet compressor motors for commercial transcritical CO2 (R-744) heat pump water heaters

Brown, Ian P., Critchley, Matthew W., Yin, Jiamin, Memory, Stephen B., Elbel, Stefan W., Bowers, Chad D., Petersen, Michael, Hrnjak, Predrag S., Sizov, Gennadi Y.

Year:

2012

Language:

english

File:

PDF, 913 KB

english, 2012

41

Study of masterbatch effect on miscibility and morphology in PET/HDPE blends

Kratofil Krehula, Ljerka, Hrnjak-Murgić, Zlata, Jelenčić, Jasenka

Journal:

Journal of Adhesion Science and Technology

Year:

2015

Language:

english

File:

PDF, 607 KB

english, 2015

42

PURE NH 3 AND CO 2 HEAT TRANSFER AND PRESSURE DROP IN HORIZONTAL SMOOTH TUBES FOR NH 3 TWO-STAGE AND NH 3 /CO 2 CASCADE REFRIGERATION SYSTEMS: A REVIEW

PARK, C. Y., HRNJAK, P. S.

Journal:

International Journal of Air-Conditioning and Refrigeration

Year:

2010

Language:

english

File:

PDF, 401 KB

english, 2010

43

Reactive Extrusion of SAN/EPDM Blends

Hrnjak-Murgić, Z., Kratofil, L., Jelčić, Z., Jelenčić, J., Janović, Z

Journal:

International Polymer Processing Journal of the Polymer Processing Society

Year:

2004

Language:

english

File:

PDF, 613 KB

english, 2004

44

[ASME ASME 2012 International Mechanical Engineering Congress and Exposition - Houston, Texas, USA (Friday 9 November 2012)] Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D - Two-Phase Refrigerant Maldistribution in the Vertical Header and its Effect on the Heat Exchanger Performance as Evaporator in Heat Pump Mode

Zou, Yang, Tuo, Hanfei, Hrnjak, Predrag S.

Year:

2012

Language:

english

File:

PDF, 1.61 MB

english, 2012

45

Experimentally Validated Model of Refrigerant Distribution in a Parallel Microchannel Evaporator

Tuo, Hanfei, Bielskus, Algirdas, Hrnjak, Pega

Journal:

SAE International Journal of Materials and Manufacturing

Year:

2012

Language:

english

File:

PDF, 7.36 MB

english, 2012

46

Oil flow at discharge valve in a scroll compressor

Zimmermann, A. J., Hrnjak, P. S.

Journal:

ARCHIVE Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering 1989-1996 (vols

Year:

2015

Language:

english

File:

PDF, 1.03 MB

english, 2015

47

Development of Double-Layered PE/PCL Films for Food Packaging Modified with Zeolite and Magnetite Nanoparticles

Rešček, Ana, Katančić, Zvonimir, Kratofil Krehula, Ljerka, Ščetar, Mario, Hrnjak-Murgić, Zlata, Galić, Kata

Journal:

Advances in Polymer Technology

Year:

2016

Language:

english

File:

PDF, 361 KB

english, 2016

48

A new flow regime map and void fraction model based on the flow characterization of condensation

Xiao, Jiange, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2017

Language:

english

File:

PDF, 2.54 MB

english, 2017

49

Modeling of bubble dynamics in single diabatic microchannel

Li, Huize, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2017

Language:

english

File:

PDF, 2.61 MB

english, 2017

50

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

Li, Huize, Hrnjak, Pega

Journal:

International Journal of Heat and Mass Transfer

Year:

2017

Language:

english

File:

PDF, 2.51 MB

english, 2017

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