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1

Comparative investigations of the condensation of R134a and R404A refrigerants in pipe minichannels

Tadeusz Bohdal, Henryk Charun, Małgorzata Sikora

Journal:

International Journal of Heat and Mass Transfer

Year:

2011

Language:

english

File:

PDF, 2.76 MB

english, 2011

2

Influence of hydrodynamic instability on the heat transfer coefficient during condensation of R134a and R404A refrigerants in pipe mini-channels

Waldemar Kuczyński, Henryk Charun, Tadeusz Bohdal

Journal:

International Journal of Heat and Mass Transfer

Year:

2012

Language:

english

File:

PDF, 1.56 MB

english, 2012

3

Experimental investigation of the condensation of R134a and R404A refrigerants in a long, water-cooled, serpentine coils

Charun, Henryk, Bohdal, Tadeusz, Czapp, Marian

Journal:

International Journal of Heat and Mass Transfer

Year:

2013

Language:

english

File:

PDF, 2.12 MB

english, 2013

4

Pressure drop during condensation of refrigerants in pipe minichannels

Bohdal, Tadeusz, Charun, Henryk, Sikora, Małgorzata

Journal:

Archives of Thermodynamics

Year:

2012

Language:

english

File:

PDF, 1.14 MB

english, 2012

5

Numerical Investigations of the Effect of Process Parameters on Residual Stresses, Strains and Quality of Final Product in Blanking Using SPH Method

Bohdal, Łukasz, Kułakowska, Agnieszka, Patyk, Radoslaw, Kulakowski, Marcin

Journal:

Materials Science Forum

Year:

2016

Language:

english

File:

PDF, 784 KB

english, 2016

6

Modeling of temperature instabilities during condensation of R134a refirgerant in pipe minichannels

Kuczyński, Waldemar, Charun, Henryk, Bohdal, Tadeusz

Journal:

International Journal of Heat and Mass Transfer

Year:

2017

Language:

english

File:

PDF, 2.04 MB

english, 2017

7

Refrigerant condensation in vertical pipe minichannels under various heat flux density level

Bohdal, Tadeusz, Kruzel, Marcin

Journal:

International Journal of Heat and Mass Transfer

Year:

2020

Language:

english

File:

PDF, 1.02 MB

english, 2020

8

Influence of shear-slitting parameters on workpiece formation, cut edge quality and selected magnetic properties for grain-oriented silicon steel

Bohdal, Å., Patyk, R., Tandecka, K., Gontarz, S., Jackiewicz, D.

Journal:

Journal of Manufacturing Processes

Year:

2020

File:

PDF, 9.29 MB

2020

9

Heat transfer and pressure drop during refrigerants condensation in compact heat exchangers

Kruzel, Marcin, Bohdal, Tadeusz, Sikora, MaÅgorzata

Journal:

International Journal of Heat and Mass Transfer

Year:

2020

File:

PDF, 3.28 MB

2020

10

Design and synthesis of novel nonpolar host peptides for the determination of the 310- and α-helix compatibilities of α-amino acid buildig blocks: An assessment of α,α-disubstituted glycines

Daniel Obrecht, Michael Altorfer, Udo Bohdal, John Daly, Walter Huber, Alexander Labhardt, Christian Lehmann, Klaus Müller, Ruth Ruffieux, Peter Schönholzer, Clive Spiegler, Cornelia Zumbrunn

Journal:

Year:

1997

Language:

english

File:

PDF, 923 KB

english, 1997

11

Vitamin A in der Ernährung unserer Bevölkerung

Journal:

Molecular Nutrition & Food Research

Year:

1962

Language:

german

File:

PDF, 855 KB

german, 1962

12

A Reinvestigation of the α-Alkylation of 4-Monosubstituted 2-phenyloxazol-5(4H)-ones (‘azlactones’): A general entry into highly functionalized α,α-disubstituted α-amino acids

Daniel Obrecht, Udo Bohdal, Ruth Ruffieux, Klaus Müller

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 517 KB

english, 1994

13

L-Phenylalanine Cyclohexylamide: A simple and convenient auxiliary for the synthesis of optically pure α,α-disubstituted (R)- and (S)-amino acids

Daniel Obrecht, Udo Bohdal, Clemens Broger, Daniel Bur, Christian Lehmann, Ruth Ruffieux, Peter Schönholzer, Clive Spiegler, Klaus Müller

Journal:

Helvetica Chimica Acta

Year:

1995

Language:

english

File:

PDF, 1.51 MB

english, 1995

14

A novel synthesis of (R)- and (S)-α-alkylated aspartic and glutamic acids: α-alkylated aspartic succinimides as new type of β-turn type II and II′ mimetics

Daniel Obrecht, Udo Bohdal, John Daly, Christian Lehmann, Peter Schönholzer, Klaus Müller

Journal:

Year:

1995

Language:

english

File:

PDF, 1.03 MB

english, 1995

15

Condensation of a refrigeration medium in the presence of an inert gas

Tadeusz Bohdal, Robert Matysko

Journal:

Applied Thermal Engineering

Year:

2006

Language:

english

File:

PDF, 236 KB

english, 2006

16

Bubbly boiling of environment-friendly refrigerating media

Journal:

International Journal of Heat and Fluid Flow

Year:

2000

Language:

english

File:

PDF, 407 KB

english, 2000

17

Optimization of the dynamic blanking process

Lukasz Bohdal, Leon Kukielka

Journal:

Year:

2007

Language:

english

File:

PDF, 71 KB

english, 2007

18

Optimization of the dynamic blanking process

Lukasz Bohdal, Leon Kukielka

Journal:

Year:

2008

Language:

english

File:

PDF, 385 KB

english, 2008

19

Modelling and numerical analysis of the cutting process

Lukasz Bohdal, Leon Kukielka

Journal:

Year:

2009

Language:

english

File:

PDF, 627 KB

english, 2009

20

ChemInform Abstract: A Novel Synthesis of (R)- and (S)-α-Alkylated Aspartic and Glutamic Acids: α-Alkylated Aspartic Succinimides as New Type of β-Turn Type II and II′ Mimetics.

D. OBRECHT, U. BOHDAL, J. DALY, C. LEHMANN, P. SCHOENHOLZER, K. MUELLER

Journal:

Year:

1996

File:

PDF, 40 KB

1996

21

ChemInform Abstract: Synthesis, Conformational Properties, and Synthetic Applications of Novel Optically Pure α,α-Disubstituted (R)- and (S)- Glycines (“α-Chimeras”) Combining Side Chains of Asp, Glu, Leu, Phe, Ser, and Val.

D. OBRECHT, C. ABRECHT, M. ALTORFER, U. BOHDAL, A. GRIEDER, M. KLEBER, P. PFYFFER, K. MUELLER

Journal:

Year:

1996

File:

PDF, 44 KB

1996

22

Synthesis, Conformational Properties, and Synthetic Applications of Novel Optically Pure α,α-Disubstituted (R)- and (S)-Glycines (‘α-Chimeras’) Combining Side Chains of Asp, Glu, Leu, Phe, Ser, and Val

Daniel Obrecht, Christine Abrecht, Michael Altorfer, Udo Bohdal, Alfred Grieder, Martina Kleber, Patrick Pfyffer, Klaus Müller

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 1.30 MB

english, 1996

23

DEVELOPMENT OF BUBBLY BOILING IN CHANNEL FLOW

Bohdal, Tadeusz

Journal:

Experimental Heat Transfer

Year:

2001

Language:

english

File:

PDF, 564 KB

english, 2001

24

An Investigation of Bubbly Boiling of Environment-Friendly Refrigerating Media

Bohdal, Tadeusz

Journal:

Heat Transfer Engineering

Year:

2001

Language:

english

File:

PDF, 698 KB

english, 2001

25

INVESTIGATION OF BOILING OF REFRIGERATING MEDIUM UNDER CONDITIONS OF IMPULSE DISTURBANCES

Bohdal, Tadeusz

Journal:

Experimental Heat Transfer

Year:

2004

Language:

english

File:

PDF, 2.62 MB

english, 2004

26

Boiling of R404A Refrigeration Medium Under the Conditions of Periodically Generated Disturbances

Bohdal, Tadeusz, Kuczyński, Waldemar

Journal:

Heat Transfer Engineering

Year:

2011

Language:

english

File:

PDF, 1.99 MB

english, 2011

27

Impact of Periodically Generated Hydrodynamic Disturbances on the Condensation Efficiency of R134a Refrigerant in Pipe Mini-Channels

Kuczyński, W., Bohdal, T., Charun, H.

Journal:

Experimental Heat Transfer

Year:

2013

Language:

english

File:

PDF, 1.66 MB

english, 2013

28

3D Numerical Analysis the State of Elastic/Visco-Plastic Strain in the External Round Thread Rolled on Cold

Kukielka, Krzysztof, Kukielka, Leon, Bohdal, Lukasz, Kulakowska, Agnieszka, Malag, Leszek, Patyk, Radoslaw

Journal:

Applied Mechanics and Materials

Year:

2014

Language:

english

File:

PDF, 751 KB

english, 2014

29

Three Dimensional Finite Element Simulation of Sheet Metal Blanking Process

Bohdal, Lukasz, Kukielka, Leon, Kukielka, Krzysztof, Kulakowska, Agnieszka, Malag, Leszek, Patyk, Radoslaw

Journal:

Applied Mechanics and Materials

Year:

2014

Language:

english

File:

PDF, 1.19 MB

english, 2014

30

Incremental Modelling and Numerical Solution of the Contact Problem between Movable Elastic and Elastic/Visco-Plastic Bodies and Application in the Technological Processes

Kukielka, Leon, Kukielka, Krzysztof, Kulakowska, Agnieszka, Patyk, Radoslaw, Malag, Leszek, Bohdal, Lukasz

Journal:

Applied Mechanics and Materials

Year:

2014

Language:

english

File:

PDF, 2.40 MB

english, 2014

31

Problems Determining of the Mechanical Properties of Metallic Materials from the Tensile Test in the Aspect of Numerical Calculations of the Technological Processes

Malag, Leszek, Kukielka, Leon, Kukielka, Krzysztof, Kulakowska, Agnieszka, Bohdal, Lukasz, Patyk, Radoslaw

Journal:

Applied Mechanics and Materials

Year:

2014

Language:

english

File:

PDF, 797 KB

english, 2014

32

Investigation of Boiling of Refrigeration Medium Under Periodic Disturbance Conditions

Bohdal, Tadeusz, Kuczyński, Waldemar

Journal:

Experimental Heat Transfer

Year:

2005

Language:

english

File:

PDF, 4.83 MB

english, 2005

33

DEVELOPMENT OF BUBBLY BOILING IN CHANNEL FLOW

Bohdal, Tadeusz

Journal:

Experimental Heat Transfer

Year:

2001

Language:

english

File:

PDF, 576 KB

english, 2001

34

Heat transfer during condensation of refrigerants in tubular minichannels

Bohdal, Tadeusz, Charun, Henryk, Sikora, Małgorzata

Journal:

Archives of Thermodynamics

Year:

2012

Language:

english

File:

PDF, 754 KB

english, 2012

35

Application of variational and FEM methods to the modelling and numerical analysis of guillotining process for geometrical and physical nonlinearity

Bohdal, L., Kukielka, L.

Journal:

Year:

2014

Language:

english

File:

PDF, 834 KB

english, 2014

36

Possibility of Steering of Product Surface Layers Properties in Burnishing Rolling Process

Kulakowska, Agnieszka, Kukielka, Leon, Kukielka, Krzysztof, Malag, Leszek, Patyk, Radoslaw, Bohdal, Lukasz

Journal:

Applied Mechanics and Materials

Year:

2014

Language:

english

File:

PDF, 1.70 MB

english, 2014

37

Numerical Study of the Influence of Surface Regular Asperities Prepared in Previous Treatment by Embossing Process on the Object Surface Layer State after Burnishing

Patyk, Radoslaw, Kukielka, Leon, Kukielka, Krzysztof, Kulakowska, Agnieszka, Malag, Leszek, Bohdal, Lukasz

Journal:

Applied Mechanics and Materials

Year:

2014

Language:

english

File:

PDF, 2.30 MB

english, 2014

38

Empirical study of heterogeneous refrigerant condensation in pipe minichannels

Bohdal, Tadeusz, Charun, Henryk, Sikora, Małgorzata

Journal:

International Journal of Refrigeration

Year:

2015

Language:

english

File:

PDF, 932 KB

english, 2015

39

Nierenvolumetrie im Kindesalter: Genauigkeit der dreidimensionalen Sonographie im Vergleich zur konventionellen Sonographie und CT / MRT

Fritz, G. A., Riccabona, M., Bohdal, G., Quehenberger, F.

Journal:

RöFo - Fortschritte auf dem Gebiet der R

Year:

2003

File:

PDF, 888 KB

2003

40

The analysis of thermal and flow characteristics of the condensation of refrigerant zeotropic mixtures in minichannels

Bohdal, Tadeusz, Widomska, Katarzyna, Sikora, Małgorzata

Journal:

Archives of Thermodynamics

Year:

2016

Language:

english

File:

PDF, 267 KB

english, 2016

41

Study the Possibility of Controlling the Magnitude and Distribution of Residual Stress in the Surface Layer of the Product after the Process Double Duplex Burnishing

Patyk, Radoslaw, Bohdal, Łukasz, Kułakowska, Agnieszka

Journal:

Materials Science Forum

Year:

2016

Language:

english

File:

PDF, 2.13 MB

english, 2016

42

Application of a SPH Coupled FEM Method for Simulation of Trimming of Aluminum Autobody Sheet

Bohdal, Łukasz

Journal:

Acta Mechanica et Automatica

Year:

2016

Language:

english

File:

PDF, 1.24 MB

english, 2016

43

Small terrestrial mammals living along streams acting as natural landscape barriers

Bohdal, Tomáš, Navrátil, Josef, Sedláček, František

Journal:

Year:

2016

Language:

english

File:

PDF, 338 KB

english, 2016

44

Condensation of refrigerant R407C in multiport minichannel section

Bohdal, Tadeusz, Charun, Henryk, Sikora, Małgorzata

Journal:

Archives of Thermodynamics

Year:

2016

Language:

english

File:

PDF, 449 KB

english, 2016

45

Modeling of Pressure Drop During Refrigerant Condensation in Pipe Minichannels

Sikora, Małgorzata, Bohdal, Tadeusz

Journal:

Archives of Thermodynamics

Year:

2017

Language:

english

File:

PDF, 846 KB

english, 2017

46

Aspects of Burnishing Rolling Process of the Surface Prepared in Different Previous Treatments

Kułakowska, Agnieszka, Kulakowski, Marcin, Bohdal, Łukasz, Patyk, Radoslaw

Journal:

Materials Science Forum

Year:

2016

Language:

english

File:

PDF, 9.63 MB

english, 2016

47

Numerical Simulation of Shear Slitting Process of Grain Oriented Silicon Steel using SPH Method

Bohdal, Łukasz, Tandecka, Katarzyna, Kałduński, Paweł

Journal:

Acta Mechanica et Automatica

Year:

2017

Language:

english

File:

PDF, 915 KB

english, 2017

48

AIP Conference Proceedings [Author(s) PROCEEDINGS OF THE 21ST INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2018 - Palermo, Italy (23–25 April 2018)] - Study of the influence of selected anisotropic parameter in the Barlat’s model on the drawpiece shape

Kaldunski, Pawel, Kukielka, Leon, Patyk, Radoslaw, Kulakowska, Agnieszka, Bohdal, Lukasz, Chodor, Jaroslaw, Kukielka, Krzysztof

Year:

2018

Language:

english

File:

PDF, 1013 KB

english, 2018

49

AIP Conference Proceedings [Author(s) PROCEEDINGS OF THE 21ST INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2018 - Palermo, Italy (23–25 April 2018)] - 3D finite element modelling of sheet metal blanking process

Bohdal, Lukasz, Kukielka, Leon, Chodor, Jaroslaw, Kulakowska, Agnieszka, Patyk, Radoslaw, Kaldunski, Pawel

Year:

2018

Language:

english

File:

PDF, 337 KB

english, 2018

50

AIP Conference Proceedings [Author(s) PROCEEDINGS OF THE 21ST INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2018 - Palermo, Italy (23–25 April 2018)] - Burnishing rolling process of the surface prepared in the turning process

Kulakowska, Agnieszka, Kukielka, Leon, Kaldunski, Pawel, Bohdal, Lukasz, Patyk, Radoslaw, Chodor, Jaroslaw, Kukielka, Krzysztof

Year:

2018

Language:

english

File:

PDF, 1.32 MB

english, 2018