Acta Polytechnica. 2021, vol. 61, no.5

 

Zobrazují se záznamy 1-8 z 8

    • Subjective approach to optimal cross-sectional design of biodegradable magnesium alloy stent undergoing heterogeneous corrosion 

      Autor: Zarei, Najmeh; Anvar, Seyed Ahmad; Goenezen, Sevan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      Existing biodegradable Magnesium Alloy Stents (MAS) have several drawbacks, such as high restenosis, hasty degradation, and bulky cross-section, that limit their widespread application in a current clinical practice. To ...

    • Preliminary prospects of a Carnot-battery based on a supercritical CO2 Brayton cycle 

      Autor: Rindt, Karin; Hrdlička, František; Novotný, Václav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      As a part of the change towards a higher usage of renewable energy sources, which naturally deliver the energy intermittently, the need for energy storage systems is increasing. For the compensation of the disturbance in ...

    • Process optimization and performance evaluation of a downdraft gasifier for energy generation from wood biomass 

      Autor: Daniyan, Ilesanmi; Ale, Felix; Uchegbu, Ikenna Damian; Bello, Kazeem; Osazele, Momoh
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      In recent time, due to the increasing demand for energy and the need to address environment-related issues, a great deal of focus has been given to alternative sources of energy, which are green, sustainable and safe. This ...

    • On reducing CO2 concentration in buildings by using plants 

      Autor: Franek, Ondřej; Jarský, Čeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The article deals with the implementation of plants in the indoor environment of buildings to reduce the concentration of CO2. Based on a specified model representing the internal environment of an office space, it was ...

    • Application of additional insulation to ETICS on surfaces with biocorrosion 

      Autor: Antošová, Naďa; Šťastný, Patrik; Petro, Marek; Krištofič, Štefan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The paper presents partial outputs from an experiment that demonstrated the impact of applying an additional insulation on an existing contact insulation system with a green-algae surface. The aim was mainly to detect the ...

    • Design development and study of an elastic sectional screw operating tool 

      Autor: Hevko, Roman; Zalutskyi, Sergii; Tkachenko, Ihor; Lyashuk, Oleg; Trokhaniak, Oleksandra
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The results of an elastic sectional screw operating tool development and its production technique are presented in the article under consideration. The operating tool has been made to fix the elastic sections, providing ...

    • Performance characteristics of low carbon waste material to stabilise soil with extremely high plasticity 

      Autor: Al-Baidhani, Ali; Al-Taie, Abbas Jawad
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The application of low-carbon and natural materials to mitigate the undesired properties of difficult soils is considered as a sustainable solution to the issues regarding these soils. Selecting some natural materials, of ...

    • Peculiar aspects of cracking in prestressed reinforced concrete T-beams 

      Autor: Karpiuk, Vasyl; Somina, Yuliia; Karpiuk, Fedir; Karpiuk, Irina
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      In order to study the cracking of prestressed reinforced concrete T-shaped beam structures, the authors planned and carried out a full-scale experiment with five variable factors. The following factors were chosen as ...