Search Results - "Riha, Zdenek"

Comparison of the disintegration abilities of modulated and continuous water jets by Říha, Zdeněk, Zeleňák, Michal, Kruml, Tomáš, Poloprudský, Jakub

“…This study investigated the erosion phenomena of a high-speed modulated water jet (MWJ) and a continuous water jet (CWJ) during jet–material interaction. The…”
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A study of the erosion characteristics of an EN AE-6060 aluminium alloy processed using middle and high power continuous and modulated water jets by Říha, Zdeněk, Zeleňák, Michal, Nag, Akash, Poloprudský, Jakub, Kruml, Tomáš, Hloch, Sergej

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Visualization and velocity analysis of a high-speed modulated water jet generated by a hydrodynamic nozzle by Zeleňák, Michal, Říha, Zdeněk, Jandačka, Petr

“…•The new hydrodynamic nozzle generating self-excited water jet was tested.•The jet visualisation and determination of velocity fields was…”
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Flow Field Analysis Inside and at the Outlet of the Abrasive Head by Riha, Zdenek, Zelenak, Michal, Soucek, Kamil, Hlavacek, Antonin

“…This paper focuses on the investigation of a multiphase flow of water, air, and abrasive particles inside and at the outlet of the abrasive head with the help…”
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Economic aspect of combined transport by Říha, Zdeněk, Dočkalíková, Iveta

“…The article deals with the current issues of combined transport; at the beginning, the crucial terms and definitions are stated. Combined transport is…”
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Solving transportation externalities, economic approaches, and their risks by Riha, Zdenek, Dockalikova, Iveta, Tichy, Jan, Koštiaľ, Daniel

“…The impact of human activity on the environment is an ongoing concern not only in the natural sciences but also in economics. Special attention is focused on…”
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Proposal of Methodology to Calculate Necessary Number of Autonomous Trucks for Trolleys and Efficiency Evaluation by Gnap, Jozef, Riha, Zdenek, Semanova, Stefania

“…The introduction of the paper highlights best practice in the area of deploying autonomous trucks in warehouses and the automotive industry, including the…”
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Methods for the behaviour analysis of continuous flat water jet structures by Zelenak, Michal, Riha, Zdenek, Votavova, Helena, Foldyna, Josef, Sitek, Libor, Scucka, Jiri, Pohanka, Michal

“…•The flat water jets were visualized and dimension analysis of clumps and droplets was verified.•A linear relationship between the number of small droplets and…”
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Theoretical and practical research on micro hydrodynamic nozzles for modulated water jet generation as an innovation to replace continuous water jet in soft materials erosion by Zelenak, Michal, Riha, Zdenek, Fech, Andreas, Soucek, Kamil, Pude, Frank, Hlavacek, Petr, Kevin Miranda, Fernando

“…•An innovative approach of generating a modulated water jet using a micro hydrodynamic nozzle is discussed.•The nozzle design, quality testing, flow…”
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ULTRASONIC PULSATIONS OF PRESSURE IN A WATER JET CUTTING TOOL by Riha, Zdenek, Foldyna, Josef

“…Water flow in a tool for water jet cleaning and cutting is evaluated in this paper. There are ultrasonic pulsations of high pressure in the given domain. The…”
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The measurement of the velocity of abrasive particles at the suction part of cutting head

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The measurement of the velocity of abrasive particles at the suction part of the cutting head/Mjerenje brzine abrazivnih cestica na usisnom dijelu rezne glave by Foldyna, Josef, Zelenak, Michal, Klich, Jiri, Hlavacek, Petr, Sitek, Libor, Riha, Zdenek

“…To be able to optimize the design of the abrasive cutting head using the numerical simulation, it is necessary to gather as much information about processes…”
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Probability of secure return of semi-trailers to the domicicle of the carrier with regard to transport costs by Hammer, Juraj, Poliak, Milos, Jaskiewicz, Marek, Riha, Zdenek, Abramovic, Borna

“…The article deals with the research of the recovery of semi-trailers to the domicile of the carrier. The authors point out that, in the price for transport is…”
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Mjerenje brzine abrazivnih čestica na usisnom dijelu rezne glave by Foldyna, Josef, Zelenak, Michal, Klich, Jiri, Hlavacek, Petr, Sitek, Libor, Riha, Zdenek

“…U svrhu optimiziranja konstrukcije abrazivne rezne glave primjenom numeričke simulacije, potrebno je prikupiti što više podataka o tome što se događa u reznoj…”
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TECHNOLOGY, ENVIRONMENT, ECONOMICS, MANAGEMENT: 4 FACTORS OF ENGINEERING EDUCATION IN THE GLOBAL WORLD by Bedřich Duchoň, Veronika Faifrová, Zdeněk Říha

“…The history of industrial development was in every stage connected with managerial changes. Future changes might be the change of environment, the change of…”
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Consider CFD analysis to support critical separation operations by Remesat, Darius, Riha, Zdenek

“…Computational fluid dynamics (CFD) analysis has become an integral part of providing optimal designs for inlet feed devices and surrounding separation…”
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NĚKTERÉ ASPEKTY ŘEŠENÍ EXTERNALIT V DOPRAVĚ Z POHLEDU TEORIE VEŘEJNÉ VOLBY by Zdeněk Říha

“…Článek se zabývá problémy, které vznikají při řešení externalit v dopravě. Článek se snaží ukázat, že většinu těchto problémů je nutné analyzovat v politické…”
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PROBLEMATIKA ALTERNATIVNÍCH PALIV V DOPRAVĚ V ČESKÉ REPUBLICE by Zdeněk Říha

“…Tento článek je jedním z výstupů projektu č. 1F44E/022/210 „Ekonomika zavádění alternativních paliv v České republice a možnosti internalizace externích…”
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Security of biometric authentication systems by Matyáš, V, Řiha, Z

“…This overview paper outlines our views of actual security of biometric authentication and encryption systems. The attractiveness of some novel approaches like…”
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Ultrazvučne pulzacije tlaka u alatu za rezanje vodenim mlazom by Říha, Zdeněk, Foldyna, Josef

“…U ovom se radu izračunava protok vode u alatu za čišćenje i rezanje vodenim mlazom. U danom području postoje ultrazvučne pulzacije visokog tlaka. Analizira se…”
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