Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Łukasz Warguła"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Positive pressure ventilators (PPV) used by 97.7% of officers of the National Fire Service in Poland, are characterized by work that is not in line with the expectations of the firefighters. In order to improve the technical and operational
Externí odkaz:
https://doaj.org/article/47fe991e92444f0285f6fc4b1a731507
Autor:
Piotr Kaczmarzyk, Daniel Małozięć, Tomasz Burdzy, Bartosz Ziegler, Piotr Krawiec, Anna Dziechciarz, Łukasz Warguła
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Positioning the positive pressure ventilator in front of the door opening affects the effectiveness of the rescue operation carried out during a fire. An important factor determining the effectiveness of the positive pressure ventilator is a
Externí odkaz:
https://doaj.org/article/84079e694d474b99904b8d7674c2b333
Autor:
Bartosz Wieczorek, Piotr Kaczmarzyk, Łukasz Warguła, Marcin Giedrowicz, Damian Bąk, Łukasz Gierz, Grigor Stambolov, Boris Kostov
Publikováno v:
Advances in Sciences and Technology, Vol 18, Iss 1, Pp 142-154 (2024)
Positive pressure ventilators are exposed to self-shifting during their operation. The aim of the article was to perform research analysing dynamic excitations resulting from vibrations caused by the operation of the drive system. The tests included
Externí odkaz:
https://doaj.org/article/ef32912e6ee94fc9959b1fdf3a4d9079
Autor:
Łukasz Warguła, Dominik Wilczyński, Bartosz Wieczorek, Teijo Palander, Łukasz Gierz, Carla Nati, Maciej Sydor
Publikováno v:
Advances in Sciences and Technology, Vol 17, Iss 5, Pp 236-247 (2023)
The particle size distribution of woodworking residues influences the quality of the biofuels made of these materials. Hence, it is essential to investigate the fractional composition of raw materials for pellet production. Tested materials originate
Externí odkaz:
https://doaj.org/article/e278003aff824cf998d7f32f064752f3
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-37 (2023)
Abstract The article aims to determine the influence of fan positioning parameters, i.e., its distance from a door opening (1–7 m) and the angle of inclination of the impeller axis in relation to the ground (0°–18°) on the amount of air flow pu
Externí odkaz:
https://doaj.org/article/0143a45fb50a43a798e919aa9df1981b
Autor:
Olga Zharkevich, Tatyana Nikonova, Łukasz Gierz, Olga Reshetnikova, Alexandra Berg, Łukasz Warguła, Andrey Berg, Bartosz Wieczorek, Wiktor Łykowski, Oxana Nurzhanova
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5394 (2024)
Gear pumps are hydraulic machines capable of transferring energy and performing work in pumping fluid. This study presents an analysis of the hydrodynamic model of an external multiple gear pump in order to analyze the fluid flow in combinations of s
Externí odkaz:
https://doaj.org/article/2a335f7259904df99f675f94624d788c
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract When designing wheelchair propulsion systems operated with the upper limb, there is a noticeable lack of ergonomic analyses informing about the areas on the wheelchair frame where hand-operated controls can be installed. With that in mind, a
Externí odkaz:
https://doaj.org/article/e31122c0719b4301930812125b0010bc
Autor:
Nataliia Ivanichok, Pavlo Kolkovskyi, Oleh Ivanichok, Volodymyr Kotsyubynsky, Volodymyra Boychuk, Bogdan Rachiy, Michał Bembenek, Łukasz Warguła, Rashad Abaszade, Liubomyr Ropyak
Publikováno v:
Materials, Vol 17, Iss 11, p 2514 (2024)
A simple activation method has been used to obtain porous carbon material from walnut shells. The effect of the activation duration at 400 °C in an atmosphere with limited air access on the structural, morphological, and electrochemical properties o
Externí odkaz:
https://doaj.org/article/e9f085bc60c04909b6ab81b556c5d769
Autor:
Adis J. Muminović, Łukasz Gierz, Hasan Rebihić, Jasmin Smajić, Nedim Pervan, Vahidin Hadžiabdić, Mirsad Trobradović, Łukasz Warguła, Bartosz Wieczorek, Wiktor Łykowski, Maciej Sydor
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4112 (2024)
Product design and manufacturing leverage 3D scanning for various applications. This study aims to investigate the effectiveness of 3D scanning in furniture production by surveying the literature and showcasing four real-world case studies. The liter
Externí odkaz:
https://doaj.org/article/55a1e580003d4ac992fdcdb0ada6a83e
Autor:
Bartosz Wieczorek, Łukasz Warguła, Jarosław Adamiec, Tomasz Sowa, Michał Padjasek, Łukasz Padjasek, Maciej Sydor
Publikováno v:
Materials, Vol 17, Iss 3, p 641 (2024)
Using a wheelchair over uneven terrain generates vibrations of the human body. These vibrations result from mechanical energy impulses transferred from the ground through the wheelchair components to the user’s body, which may negatively affect the
Externí odkaz:
https://doaj.org/article/62a1521d25454426851879044217b3aa