• Heat storage efficiency and effective thermal output: Indicators of thermal response and output of radiant heating and cooling systems 

  Krajčík, Michal; Šikula, Ondřej (Elsevier, 2020-12-15)

  An alternative indicator of thermal response of radiant heating and cooling systems called heat storage efficiency (HSE) has been tested. The heat storage efficiency was compared with established indicators represented by ...

• A comparative study on the applicability of six radiant floor, wall, and ceiling heating systems based on thermal performance analysis 

  Oravec, Jakub; Šikula, Ondřej; Krajčík, Michal; Arici, Müslüm; Mohapl, Martin (ELSEVIER, 2021-04-01)

  Holistic comparisons of radiant heating systems that would help make an informed decision on the selection of the most convenient system for the specific application are lacking. The applicability of six representative ...

• Do family businesses perform better than non-family businesses? The situation in Czech companies 

  Srbová, Pavla; Režňáková, Mária; Karas, Michal; Pěta, Jan (Economic Publishing Platform, 2021-07-16)

  Research background: Recent research conducted in the field of entrepreneurship focuses on a better understanding of specific features of family businesses, which, according to estimates, make up 55–90 % of all business ...

• Návrhy opatření pro zvýšení bezpečnosti vybraných prvků dopravní kritické infrastruktury 

  Procházková, Danuše; Procházka, Jan; Martincová, Jana Victoria; Kertis, Tomáš (Vysoké učení technické v Brně, Ústav soudního inženýrství, 2022-01-31)

  Sdělení srovnává nároky české legislativy na řízení bezpečnosti vybraných prvků dopravní kritické infrastruktury se současným odborným poznáním, reprezentovaným generickým modelem pro zajištění integrální bezpečnosti. Na ...

• Insulation panels for active control of heat transfer in walls operated as space heating or as a thermal barrier: Numerical simulations and experiments 

  Šimko, Martin; Krajčík, Michal; Šikula, Ondřej; peter, šimko; Kalús, Daniel (Elsevier, 2018-01-01)

  Numerical simulations and experiments were performed for a thermally active wall with pipes arranged in milled channels in the thermal insulation. The advantage of this system is its suitability for installation in both ...

• Family business owners plan over the long term: framework of research and preliminary results covering the Czech Republic. 

  Srbová, Pavla (Tomas Bata University in Zlín, Faculty of Management and Economics, 2019-12-20)

  A family business is characterized by a combination of ownership, management, and family, in other words, linking the business and family life. Family businesses are the predominant form of business all over the world and ...

• Classification of Thermally Degraded Concrete by Acoustic Resonance Method and Image Analysis via Machine Learning 

  Dvořák, Richard; Chobola, Zdeněk; Plšková, Iveta; Hela, Rudolf; Bodnárová, Lenka (MDPI, 2023-01-22)

  The study of the resistance of plain concrete to high temperatures is a current topic across the field of civil engineering diagnostics. It is a type of damage that affects all components in a complex way, and there are ...

• Plán řízení rizik vybraných prvků kritické dopravní infrastruktury 

  Procházková, Danuše; Martincová, Jana Victoria; Procházka, Jan; Kertis, Tomáš (ČVUT v Praze, 2022-12-22)

  Předložená práce se zabývá plánem řízení rizik vybraných prvků kritické dopravní in-frastruktury. Vychází z dat o selhání předmětných prvků, místních podmínek, ve kte-rých se dané prvky vyskytují a využívá současné pokrokové ...

• The Effect of Active Additives and Coarse Aggregate Granulometric Composition on the Properties and durability of Pervious Concrete 

  Banevičien, Vilma; Malaiškiene˙, Jurgita; Boris, Renata; Zach, Jiří (MDPI, 2022-01-28)

  Pervious concrete (PCO) has many advantages and applications, such as water pooling reduction, noise attenuation, replenishment of groundwater reserves, etc. However, the use of pervious concrete is limited due to its low ...

• Cooking oils and fat waste collection infrastructure planning: a regional-level outline 

  Matušinec, Josef; Hrabec, Dušan; Šomplák, Radovan; Nevrlý, Vlastimír; Redutskiy, Yury (SPRINGER, 2022-01-01)

  Among the current trends in waste management and circular economy is the involvement of new fractions of waste for sorting and collection. One of them is fats and cooking oils, especially those coming from households. Now, ...

• Coarsening Kinetics of Y2O3 Dispersoid in New Grade of Fe-Al-Cr-Based ODS Alloy 

  Holzer, Jakub; Gamanov, Štěpán; Luptáková, Natália; Dlouhý, Antonín; Svoboda, Jiří (MDPI, 2022-01-23)

  Oxide dispersion strengthened (ODS) alloys with a high content of Al are candidate materials for extreme high temperature applications such as turbine blades and other components working at temperatures significantly above ...

• Tailoring the internal microstructue of the hydrogels based on poly-HEMA targeted for drug delivery systems 

  Trudičová, Monika; Papežíková, Hana; Sedláček, Petr; Pekař, Miloslav (TANGER Ltd., 2022-01-01)

  The transport and barrier properties are important material characteristics in terms of the development of the targeted drug delivery systems. Therefore, this work focused on the study of the possibility of influencing ...

• Experimental performance analysis of biplane VAWT configurations 

  Oulhaci, Z. S.; Imine, Omar; Ladjedel, Omar; Yahiaoui, Tayeb; Adjlout, Lahouari; Šikula, Ondřej (Institute for Research and Development in Industry, 2017-12-15)

  This paper aim to develop a new Darrieus wind turbine configurations based on the concept of biplane blades in order to improve the performances of the machine. The performances of the new design were investigated numerically ...

• Fluid thermal effect on non-contacting labyrinth seal of 20 MW steam turbine 

  Mammar, Lahouari; Tayeb, Yahiaoui; Ladjedel, Omar; Šikula, Ondřej (Faculty of Mechanical Engineering of the Budapest University of Technology and Economics, 2019-12-17)

  This paper is divided into two parts; the first describes a CFD analysis of a gland packing labyrinth seals in 20 MW steam turbine in LNG plant using ANSYS CFX code as an isothermal simulation in fluid domain. The results ...

• Conductive Polymer PEDOT:PSS-Based Platform for Embryonic Stem-Cell Differentiation 

  Šafaříková, Eva; Ehlich, Jiří; Stříteský, Stanislav; Vala, Martin; Weiter, Martin; Pacherník, Jiří; Kubala, Lukáš; Víteček, Jan (MDPI, 2022-01-20)

  Organic semiconductors are constantly gaining interest in regenerative medicine. Their tunable physico-chemical properties, including electrical conductivity, are very promising for the control of stem-cell differentiation. ...

• Influence of heating elements dynamics on energy savings 

  Šikula, Ondřej; Omar, Ladjedel; Charvát, Pavel; Adjlout, Lahouari; Reffas, Sid (Akadémiai Kiadó, 2018-11-01)

  Computer simulations of dynamic heating of one model typical living room heated alternatively by two types of heating bodies are presented in this paper. This contribution describes a numerical model of two heating elements ...

• Overview of fault detection approaches for grid connected photovoltaic inverters 

  Malik, Azra; Haque, Ahteshamul; Kurukuru, V S Bharath; Khan, Mohammed Ali; Blaabjerg, Frede (Elsevier, 2022-05-20)

  Over the past few years, the power electronic converters have gained significant attraction among researchers, especially as an interface between distributed generation (DG) systems and the grid. Hence, it is imperative ...

• Condition Monitoring and Maintenance Management with Grid-Connected Renewable Energy Systems 

  Alam, Md. Mottahir; Haque, Ahteshamul; Khan, Mohammed Ali; Sobahi, Nebras M.; Mehedi, Ibrahim Mustafa; Khan, Asif Irshad (Tech Science Press, 2022-03-29)

  The shift towards the renewable energy market for carbon-neutral power generation has encouraged different governments to come up with a plan of action. But with the endorsement of renewable energy for harsh environmental ...

• Influence of Varieties and Mulching on the Quality and Quantity of Vegetable Pepper Yield 

  Valšíková-Frey, Magdaléna; Mlček, Jiří; Bučková, Martina; Adámková, Anna; Adámek, Martin; Juříková, Tunde (MDPI, 2022-11-05)

  The influence of the cultivation method on green pepper fruits was investigated. Six pepper cultivars were planted using soil covered by brown mulching foil and in uncovered soil. Cultivation was maintained for two years ...

• Addressing cancer invasion and cell motility with quantitative light microscopy 

  Zicha, Daniel (NATURE PORTFOLIO, 2022-01-10)

  The incidence of death caused by cancer has been increasing worldwide. The growth of cancer cells is not the main problem. The majority of deaths are due to invasion and metastasis, where cancer cells actively spread from ...

Zobrazit další