Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Marek Chalecki"'
Autor:
Marek Kalenik, Marek Chalecki, Piotr Wichowski, Adam Kiczko, Krzysztof Chmielowski, Martyna Świętochowska, Joanna Gwoździej-Mazur
Publikováno v:
Journal of Water and Land Development, Iss No 59, Pp 174-182 (2024)
The paper presents the results of studies on local resistance coefficients (ζ). The study used pipe aerators with filling made according to the Polish patent PL235924. The hydraulic investigations were performed in real working conditions of a water
Externí odkaz:
https://doaj.org/article/7526b7d3483e4b0fa36f83be3b789564
Publikováno v:
Journal of Water and Land Development, Iss No 57, Pp 30-38 (2023)
The objective of this experimental study was to examine whether an assisting layer of lightweight expanded clay aggregate (LECA) of the granulation 1–4 mm, introduced into a subsoil, is able to improve an efficiency of removal of total nitrogen and
Externí odkaz:
https://doaj.org/article/b0302f90be1b4627a1a4c8d2d8021150
Autor:
Dhanasingh Sivalinga Vijayan, Arvindan Sivasuriyan, Parthiban Devarajan, Martin Krejsa, Marek Chalecki, Mariusz Żółtowski, Alicja Kozarzewska, Eugeniusz Koda
Publikováno v:
Buildings, Vol 13, Iss 8, p 1903 (2023)
This comprehensive review focuses on the integration of intelligent technologies, such as the Internet of Things (IoT), Artificial intelligence (AI), and Nondestructive Testing (NDT), in the Structural Health Monitoring (SHM) field of civil engineeri
Externí odkaz:
https://doaj.org/article/f2bde2677db4426cafbcd04ffdb67e75
Autor:
Marek Chalecki, Grzegorz Jemielita
Publikováno v:
Archives of Civil Engineering, Vol vol. 67, Iss No 1, Pp 403-424 (2021)
The paper presents a procedure of calculation of natural frequencies and critical buckling forces of a micrononhomogeneous plate band resting on nonhomogeneous elastic subsoil and having any given boundary conditions. The band consists of N parts –
Externí odkaz:
https://doaj.org/article/a33df74925c84696bc711f1b00e1e2ce
Autor:
Kostyantyn Holenko, Eugeniusz Koda, Ivan Kernytskyy, Oleg Babak, Orest Horbay, Vitalii Popovych, Marek Chalecki, Aleksandra Leśniewska, Serhii Berezovetskyi, Ruslan Humeniuk
Publikováno v:
Applied Sciences, Vol 13, Iss 11, p 6684 (2023)
The core idea of the research consists in a formulation of boundary conditions of a mechanical accelerator pedal’s strength in an Ansys environment, whose conditions are equivalent to full-scale tests under the critical loads defined by the UNECE
Externí odkaz:
https://doaj.org/article/15ad9f94159b49298e0c5ae947d718bf
Publikováno v:
Przegląd Naukowy Inżynieria i Kształtowanie Środowiska, Vol 28, Iss 4, Pp 526-538 (2019)
The Rayleigh’s method can be used to determine the first natural frequency of beams with variable cross-section. The authors analyse multi-segment simply supported beams, symmetrical with respect to their midpoint, having a constant width and varia
Externí odkaz:
https://doaj.org/article/47b29ceede5e419497b748f7c880d267
Autor:
Marek Chalecki, Mykola Nagirniak
Publikováno v:
Symmetry, Vol 14, Iss 4, p 672 (2022)
The paper presents a method of calculation of rotationally symmetric circular plates, supported on piles and having a stiffness changing in the radial direction. The method is based on the superposition rule, i.e., an initial plate supported on piles
Externí odkaz:
https://doaj.org/article/3c51e0a734a14c009e7fdc6b81423410
Publikováno v:
Materials, Vol 14, Iss 20, p 6007 (2021)
In the mechanics of concrete constructions, one distinguishes between residual and elastic strains. Cyclic loadings evoke changes mainly in the elastic strains; however, the total strains are decided by the sum of the residual and elastic strains. Th
Externí odkaz:
https://doaj.org/article/11739ee6f6a64ce3b058e047f1d32668
Publikováno v:
Water, Vol 13, Iss 11, p 1604 (2021)
The paper presents results of investigations of influence of major head losses on exploitation properties of water supply pipes after 30-year exploitation. The tested materials were cast-iron pipes with the internal diameter of 150 mm. A flowability
Externí odkaz:
https://doaj.org/article/3759bbffd9cd49afb2971920596baaa5
Publikováno v:
Przegląd Naukowy Inżynieria i Kształtowanie Środowiska, Vol 25, Iss 2, Pp 195-205 (2016)
Artykuł przedstawia problematykę związaną z dawnymi i współczesnymi drewnianymi konstrukcjami szkieletowymi. Za okres przełomowy między historycznym i obecnym budownictwem szkieletowym przyjęto II wojnę światową. Na wstępie scharakteryzo
Externí odkaz:
https://doaj.org/article/f8ca6211638d474dafa1e521bb5afc71