Experimental fluid mechanics 2013
Technical University of Liberec, Faculty of Mechanical Engineering

Department of Power Engineering Equipment

Experimental fluid mechanics 2013

19.11.2013 - 22.11.2013
Kutná Hora (Czech Republic)

Contents

Keynote lecture

Page
High dynamic range particle image velocimetry applied to heat convection studies
T. Persoons
11
Combining the merits of experiments and numerics in flow stability analysis
R. de Lange
21
Wind-load, pressure and velocity measurements: post processing and discussion
Md. M. Alam
29

Contributions

Page
Contactless pressing of a sheet
K. Adámek, J. Žák, P. Kavan, P. Šidlof, J. Kolář
37
CFD analysis of wing trailing edge vortex generator using serrations
H. A. Alawadhi, A. G. Alex, Y. H. Kim
47
Turbulent flow computation in a circular U-Bend
M. Aounallah, M. Belkadi, L. Adjlout, O. Imine, B. Imine
55
Parametric investigation of boundary layer control using triangular micro vortex generators
M. Bagheri, M. Al Muslmani, A. Masood, M. Khosravi, M. A. Mahmoud, A. Cardoz, A. Akkuwari, Y. Alanezi, Y. Kim
61
Turbulent slurry flow measurement using ultrasonic Doppler method in rectangular pipe
V. Bareš, J. Krupička, T. Picek, J. Brabec, V. Matoušek
71
A detection of the coarse water droplets in steam turbines
O. Bartoš, X. Cai, M. Kolovratník
77
Comparison of methods for evaluation of aerosol deposition in the model of human lungs
M. Belka, J. Lippay, F. Lizal, J. Jedelsky, M. Jicha
82
On the near field behavior of inclined negatively buoyant jets
L.A. Besalduch, M.G. Badas, S. Ferrari, G. Querzoli
86
Detection of damage of a filter by visualization of filtration process
P. Bílek, P. Šidlof
92
Investigation of the influence of radial grooves on the flow in an eccentrically deposited annulus using CFD numerical simulation
M. Bojko, M. Kozubková, M. Kozdera, O. Zavila
100
Measurements of a single pulse impinging jet. A CFD reference
M. Bovo, B. Rojo, M. Golubev
106
Bubble dynamics in drinks
Z. Broučková, Z. Trávníček, P. Šafařík
114
Influence of the ambient temperature during heat pipe manufacturing on its function and heat transport ability
A. Čaja, P. Nemec, M. Malcho
119
An accurate quantification of the flow structure along the acoustic signal cycle in a forced two-phase jet
E. Calvo Bernad, J. A. García Rodríguez, J. L. Santolaya Sáenz, L. A. Aísa Miguel, J. I. García Palacín
123
Wake structures of two side by side spheres in a tripped boundary layer flow
E. Canli, M. Özgören, S. Dogan, M. Hilmi Aksoy, H. Akilli
131
The discontinuous Galerkin method for the numerical simulation of compressible viscous flow
J. Česenek
142
1D models of the thermohydraulic systems supported by CFD results and measured data
V. Čibera, D. Lávička, J. Kňourek
148
Measurement of heat transfer coefficient using termoanemometry methods
P. Dančová, P. Sitek, T. Vít
152
Application of a pressure based CFD code with mass transfer model based on the Rayleigh equation for the numerical simulation of the cavitating flow around a hydrofoil with circular leading edge
Ch. Deimel, M. Günther, R. Skoda
156
The influence of numerical models on determining the drag coefficient
J. Dobeš, M. Kozubková
164
Simulation of saltation motion using LBE based methods
J. Dolanský
170
Flow rate measurement in aggressive conductive fluids
N. Dubovikova, Y. Kolesnikov, Chr. Karcher
178
Heat exchanger design for hot air ericsson-brayton piston engine
P. Ďurčanský, R. Lenhard, J. Jandačka
183
Counter-Flow Cooling Tower Test Cell
L. Dvořák, J. Nožička
187
The influence of boundary conditions to the flow through model of upper part of human respiratory system
J. Elcner, M. Chovancova, M. Jicha
192
Experimental investigation of fluid flow in horizontal pipes system of various cross-section geometries
E. Farsirotou, D. Kasiteropoulou, D. Stamatopoulou
196
Effect of car speed on amount of air supplied by ventilation system to the space of car cabin
J. Fišer, J. Pokorný
201
Mathematical Modeling of Diaphragm Pneumatic Motors
K. Fojtášek, L. Dvořák
205
Bubble shape and breakage events in a vertical pipe at the boiler flow line
A. Fsadni, Y. Ge
211
Modelling of natural and bypass transition in aerodynamics
J. Fürst, P. Straka, J. Příhoda
217
Experimental investigations of the steady flow through an idealized model of a femoral artery bypass
C. Giurgea, F. Bode, O. I. Budiu, L. Nascutiu, D. Banyai, M. Damian
223
Modelling of airflow in a closed simulation box with regard to atmospheric optical link
L. Hajek, J. Latal, M. Bojko, R. Poboril, P. Koudelka, J. Vitasek, P. Siska, V. Vasinek
232
Contact-free measurement of the flow field of a liquid metal inside a closed container
Ch. Heinicke
239
Single phase heat transfer in minichannels
J. Hejcik, M. Jicha
243
Computation of water hammer protection of modernized pumping station
D. Himr
247
A measuring stand for a ducted fan aircraft propulsion unit
D. Hlaváček
253
Application of adjustment calculus in the nodeless Trefftz method for a problem of two-dimensional temperature field of the boiling liquid flowing in a minichannel
S. Hozejowska, B. Maciejewska, L. Hozejowski
261
Numerical modelling of temperature fields in the flow boiling liquid through a vertical minichannel with an enhanced heating surface
S. Hozejowska, M. Piasecka
265
Identification of relaxation parameter of a physical model of vein from fluid transient experiment
D. Hromádka, H. Chlup, R. Žitný
273
Analytical description of thermodynamic properties of steam, water and the phase interface for use in CFD
J. Hrubý, M. Duška
279
Measurement and evaluation of static characteristics of rotary hydraulic motor
L. Hružík, M. Vašina, A. Bureček
285
Non-stationary flow of hydraulic oil in long pipe
L. Hružík, A. Bureček, M. Vašina
290
Numerical solution of subsonic and transonic flows in 2D and 3D
J. Huml, K. Kozel
295
Concept of CFD model of natural draft wet-cooling tower flow
T. Hyhlík
300
Sudden releases of gases
H. Chaloupecká, Z. Jaňour, K. Jurčáková, L. Kukačka, Š. Nosek
306
Experimental investigation of stabilization of flowing water temperature with a water-PCM heat exchanger
P. Charvat, J. Stetina, O. Pech, L. Klimes, M. Ostry
312
The pressure gradient in the human respiratory tract
M. Chovancová, J. Elcner
316
Compressibility of the fluid
J. Jablonská
322
The estimation of dynamic contact angle of ultra-hydrophobic surfaces using inclined surface and impinging droplet methods
D. Jasikova, M. Kotek
328
Characteristics of droplet motion in effervescent sprays
J. Jedelský, M. Zaremba, M. Malý, M. Jícha
334
Hydraulic losses in the spiral case of low specific speed pumps
Roman Klas, František Pochylý, Pavel Rudolf
340
Observation of development of cavitation damage
Branislav Knížat, Róbert Olšiak, Marek Mlkvik
348
Numerical simulations of natural gas flow in pipe system with flowmeters
J. Kňourek, R. Matas, O. Prokeš, D. Tenkrát
352
Wet steam wetness measurement in a 10 MW steam turbine
M. Kolovratník, O. Bartoš
358
A new method for fluid input into a hybrid synthetic jet actuator
J. Kordík, Z. Trávníček, V. Tesař
362
Influence of the velocity vector base relocation to the center of mass of the interrogation area on PIV accuracy
J. Kouba, J. Novotný, J. Nožička
367
Experimental equipment for measuring physical properties of the annular hydrostatic thrust bearing
M. Kozdera, S. Drábková, M. Bojko
373
Development of air to air ejector for supersonic wind tunnel
J. Kracík, V. Dvořák, J. Kolář
378
Study of temperature fields at sprinkled smooth and sandblasted tube bundle
P. Kracík, L. Šnajdárek, J. Pospíšil
382
Numerical Solution of Compressible Steady Flows around the RAE 2822 Airfoil
P. Kryštůfek, K. Kozel
390
Ventilation of idealised urban area, LES and wind tunnel experiment
L. Kukačka, V. Fuka, Š. Nosek, R. Kellnerová, Z. Jaňour
394
Simulation of the propeller disk inside the symmetrical channel
M. Kyncl, J. Pelant
404
Evaluation and accuracy of the local velocity data measurements in an agitated vessel
B. Kysela, J. Konfršt, Z. Chára, M. Kotek
411
Experimental study of flow around two grooved cylinders arranged in tandem
O. Ladjedel, L. Adjlout, M.R. Hachim, A.Razi, T.Yahiaoui
417
Utilization of heat pipes for transfer heat from the flue gas into the heat transfer medium
R. Lenhard, K. Kaduchová, Š. Papučík, J. Jandačka
421
Measurement of the airflow velocity upstream and downstream a wire mesh using constant temperature anemometry
F. Lizal, J. Tuhovcak, M. Jicha
425
Design of methodology for wood chips moisture estimation determined for gasification
L. Lukáč, Š. Kuna, J. Kizek, M. Repášová
429
Flow in data racks
L. Manoch, J. Matěcha, J. Novotný, J. Nožička, P. Pohan
433
Pulsatile flow analysis in a bend square channel by modal decomposition
L. Manoch, J. Matěcha, H. Netřebská, J. Adamec
438
The experimental determination of surface tension of supercooled water
R. Mareš, J. Kalová
443
Modelling of flow in pipes and ultrasonic flowmeter bodies
R. Matas, V. Čibera, T. Syka
447
Effects of Wing-Cuff on NACA 23015 Aerodynamic Performances
S.M.A Meftah, M. Belhenniche, O Madani Fouatih, B. Imine
453
Character of the cavitation erosion on selected metallic materials
M. Mlkvik, R. Olšiak, B. Knížat, J. Jedelský
457
A parametric investigation of non-circular spiroid winglets
S. Mostafa, S. Bose, A. Nair, M. A. Raheem, T. Majeed, A. Mohammed, Y. Kim
464
Analysis of the cavitating flow induced by an ultrasonic horn – Numerical 3D simulation for the analysis of vapour structures and the assessment of erosion-sensitive areas
S. Mottyll, S. Müller, P. Niederhofer, J. Hussong, S. Huth, R. Skoda
470
Analysis of the cavitating flow induced by an ultrasonic horn – Experimental investigation on the influence of actuation phase, amplitude and geometrical boundary conditions
S. Müller, M. Fischper, S. Mottyll, R. Skoda, J. Hussong
479
Influence of volume working fluid and ambient temperature on cooling efficiency of loop thermosyphon
P. Nemec, M. Malcho, J. Jandačka, J. Matušov
485
Method for the evaluation of minor losses in pulsatile laminar fluid flow
H. Netřebská, J. Matěcha, M. Schmirler, L. Manoch, J. Adamec
489
On stochastic inlet boundary condition for unsteady simulations
P. Niedoba, M. Jícha, L. Čermák
495
Investigation of the velocity distribution in the flow of a journal bearing model
M. Nobis, P. Reinke, M. Schmidt, M. Riedel, M. Redlich
499
Atmospheric dispersion modelling over complex terrain at small scale
S. Nosek, Z. Janour, L. Kukacka, K. Jurcakova, R. Kellnerova, E.Gulikova
504
Investigation of effect of oblique ridges on heat transfer in plate heat exchangers
J. Novosád, V. Dvořák
510
Investigation of a traveling wave thermoacoustic engine in a looped-tube
P. Novotný, S.S. Hsu, A.B. Wang, T. Vít
515
Boiling heat transfer on single phosphor bronze and copper mesh microstructures
Ł. J. Orman
519
Boiling heat transfer on fins – experimental and numerical procedure
T. Orzechowski, A. Tyburczyk
523
Free convection on a refrigerator's condenser
T. Orzechowski, K. Stokowiec
530
Comparison of pool boiling heat transfer for different tunnel-pore surfaces
R. Pastuszko
535
The determination of field usability of method measuring temperature fields in the air using an infrared camera
M. Pešek, O. Pech
540
Water oxygenation by fluidic microbubble generator
K. Peszynski, V. Tesař
544
Measurement of local fluid levels and oscillation frequency on the reconstructed hydrodynamic table
M. Petříková, P. Kryštůfek
550
Comparison of heat transfer in straight and corrugated minichannels with two-phase flow
P. Peukert, J. Hrubý
556
Heat transfer coefficient determination for flow boiling in vertical and horizontal minichannels
M. Piasecka, B. Maciejewska
562
Tests of thermal resistance of simulated walls with the reflective insulation
J. Zb. Piotrowski, Ł. J. Orman, X. Lucas, E. Zender- wiercz, M. Telejko, D. Koruba
569
A parametric study of influence of material properties on car cabin environment
J. Pokorný, J. Fišer, M. Jícha
573
Physical principle dealing with development of vortices formed by DBD actuator
P. Procházka, V. Uruba
577
Experimental study of parachute aerodynamics
F. R. Marzabadi, R. Meshkani, H. Pouryavi, M. Ebrahimi
582
Parallel numerical simulation of oscillating airfoil NACA0015 in the channel due to flutter instability
V. Řidký, P. Šidlof
587
Application of computational fluid dynamics on cavitation in journal bearings
M. Riedel, M. Schmidt, P. Reinke, M. Nobis, M. Redlich
591
Experimental Heat Transfer Study of Endwall in a Linear Cascade with IR Thermography
B. Rojo, C. Jimenez, V. Chernoray
599
Characterization of the cavitating flow in converging-diverging nozzle based on experimental investigations
P. Rudolf, M. Hudec, M. Gríger, D. Štefan
605
Dryout occurrence in a helically coiled steam generator for nuclear power application
L. Santini, A. Cioncolini,C. Lombardi, M. Ricotti
611
Effect of gas expansion on the front shape of a Taylor bubble: an experimental contribution
L. Santos, T. Esteves, N. Coelho Pinheiro
620
Experimental and numerical analysis of unsteady behaviour of high efficiency mixed-flow pump
M. Sedlář, M. Komárek, M. Vyroubal, V. Doubrava, M. Varchola, P. Hlbočan
627
The influence of the tangential velocity of inner rotating wall on axial velocity profile of flow through vertical annular pipe with rotating inner surface
A. M. Sharf, H. A. Jawan, F. A. Almabsout
633
Investigation of bubble behaviours in wet central heating systems
A. Shefik, Y. Ge
639
The influence of flow parameters on the transition to turbulence in pulsatile flow
M. Schmirler, J. Matěcha, H. Netřebská, J. Ježek, J. Adamec
647
Flow past a self-oscillating airfoil with two degrees of freedom: measurements and simulations
P. Šidlof, M. Štěpán, V. Vlček, V. Řidký, D. Šimurda, J. Horáček
652
Impact of the amount of working fluid in loop heat pipe to remove waste heat from electronic component
M. Smitka, Z. Kolková, P. Nemec, M. Malcho
660
Characteristics of the T-junction with the equal diameters of all branches for the variable angle of the adjacent branch
J. Štigler, R. Klas, O. Šperka
664
On transonic flow models for optimized design and experiment
J. Stodůlka, H. Sobieczky
676
Numerical Simulation of Flow in Hub-Gap of Axial Stator Blades
P. Straka
680
On several aspects of finite element approximations of laminar/turbulent transition models
P. Sváček
686
Experimental study of influence of inlet geometry on thermal stratification in thermal energy storage during charging process
P. Švarc, J. Seidl, V. Dvořák
693
Numerical simulation of radial compressor stages with seals and technological holes
T. Syka, O. Luňáček, J. Kňourek
698
Application of the electrodiffusion method for near-wall flow diagnostics
J. Tihon
706
Numerical experiments modelling turbulent flows
J. Trefilík, K.Kozel, J. Příhoda
713
Study of quantification and distribution of explosive mixture in a confined space as a result of natural gas leak
A. Tulach, M. Mynarz, M. Kozubková
717
Dynamics of secondary flow behind backward-facing step in a narrow channel
V. Uruba
724
Description of the three-phase contact line expansion
T. Váchová, Z. Brabcová, P. Basařová
731
Heat transfer from oriented heat exchange areas
M. Vantuch, J. Huzvar, A. Kapjor
737
Influence of structural design condensing part of NH3 heat pipe to heat transfer
M. Vantúch, M. Malcho
742
Two-dimensional simulation of vortex points and tracer particles in counterflowing He-II
E. Varga, C. F. Barenghi, Y. A. Sergeev, L. Skrbek
747
Collision of a small bubble with a large falling particle
J. Vejrazka, M. Hubicka, P. Basarova
753
Identification of temperature field in thermoacoustic generator
M. Veselý, P. Dančová, T Vít, V. Lédl
758
Evaluation of the convection moisture coefficient using various methods
M. Vestfálová
763
Density gradient theory combined with the PC-SAFT equation of state used for modeling the surface tension of associating systems
V. Vinš, B. Planková, J. Hrubý, D. Celný
767
Transitional Phenomena on Phase Change Materials
T. M. Wójcik, R. Pastuszko, M. Wojda, W. Kalawa
773
The appearance of two lock-in states in the vortex flow around an in-line forced oscillating circular cylinder
Y. Yokoi, K. Hirao
777
Parents of two-phase flow and theory of "gas-lift"
P. Zitek, V. Valenta
785
Solution of heat removal from nuclear reactors by natural convection
P. Zitek, V. Valenta
794

Not published in the EPJ

Page
Effect of blade wrap angle to centrifugal pump impeller efficiency
M. Hilmi Aksoy, O. Babayigit, O. Kocaaslan, M. Ozgoren
799
Experimental and CFD performance analysis of a centrifugal pump
O. Babayigit, O. Kocaaslan, M. Hilmi Aksoy, M. Ozgoren
807
An experimental investigation of surface roughness influence on centrifugal pump characteristics
O. Kocaaslan, M. Hilmi Aksoy, O. Babayigit, M. Ozgoren
814
The effect of O-ring location and diameter on the turbulent shear flow downstream of a sphere located in a boundary layer flow over a flat plate
A. Okbaz, M. Ozgoren, S. Dogan, H. Akilli
820
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