Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Stanisław KACHEL"'
Autor:
Piotr Wróblewski, Stanisław Kachel
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-18 (2023)
Abstract In internal combustion piston engines, the process of oil film formation differs from that in industrial machines. The adhesive strength of the molecules at the interface between the coating of engine parts and the lubricating oil affects th
Externí odkaz:
https://doaj.org/article/f97cbbad033249ef94e9ed0da0c04144
Autor:
Piotr Wróblewski, Stanisław Kachel
Publikováno v:
Energies, Vol 17, Iss 15, p 3697 (2024)
This work focuses on the evolution of lubrication wedge shaping in internal combustion piston engines, taking into account liquid microflows on curved surfaces and coating microgeometries. It introduces a new approach to the analysis of friction loss
Externí odkaz:
https://doaj.org/article/b4cfa4d563b44ee986abeb5f5877aa5c
Autor:
Marta Marciniuk, Paweł Piskur, Łukasz Kiszkowiak, Łukasz Malicki, Krzysztof Sibilski, Katarzyna Strzelecka, Stanisław Kachel, Zygmunt Kitowski
Publikováno v:
Energies, Vol 17, Iss 8, p 1801 (2024)
In recent years, morphing wings have become not only a concept, but an aerodynamic solution for the aviation industry to take a step forward toward future technologies. However, continuously morphing airfoils became an interesting answer to provide g
Externí odkaz:
https://doaj.org/article/c6b2b4a17f91437893d547603041c390
Publikováno v:
Applied Sciences, Vol 13, Iss 24, p 13035 (2023)
This paper presents a comparative analysis of the results obtained using the computational fluid dynamic method and a hydrodynamic tunnel. The aerodynamic properties of the General Dynamics F-111 Aardvark aircraft were subjected to both qualitative a
Externí odkaz:
https://doaj.org/article/ef6e7475dcaa4270b4c16e800525d37e
Autor:
Piotr Wróblewski, Stanisław Kachel
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-1 (2023)
Externí odkaz:
https://doaj.org/article/ee3babfd67a94d6e9ad5901c5a655e97
Publikováno v:
Energies, Vol 16, Iss 19, p 6847 (2023)
The aim of this article is to propose methods for obtaining the aerodynamic characteristics of a flying object in a turbulent atmosphere. This article presents static aerodynamic characteristics of an unmanned aerial vehicle (UAV), which have been ob
Externí odkaz:
https://doaj.org/article/d085fe322dd142ca98b45b3d16ad3e8f
Publikováno v:
Problemy Mechatroniki, Vol 12, Iss 3, Pp 27-52 (2021)
This work contains the results of a modern helicopter construction analysis. It includes the comparison of almost seventy rotorcraft constructions in terms of size in line with EASA requirements – large and small helicopters. The helicopters are al
Externí odkaz:
https://doaj.org/article/f40d4c1e98c34e358e0263d86356290f
Publikováno v:
Applied Sciences, Vol 13, Iss 9, p 5584 (2023)
This article presents a genetic algorithm modification inspired by events related to great extinctions. The main objective of the modification was to minimize the number of objective function solutions until the minimum for the function was establish
Externí odkaz:
https://doaj.org/article/152d2f366571497a94a3c41154650e54
Publikováno v:
Energies, Vol 15, Iss 17, p 6291 (2022)
This paper presents a numerical analysis of the stability of the flow parameters along the intake duct of an aircraft jet turbine engine. This problem has been investigated by many research teams and was included in the literature analysis. The unsta
Externí odkaz:
https://doaj.org/article/7ca3607ecd09475a900db23b0b633ce5
Autor:
Abdelkader BENAOULI, Stanisław KACHEL
Publikováno v:
Problemy Mechatroniki, Vol 9, Iss 1, Pp 93-104 (2018)
In order to ease modelling procedures, eliminate repetitive effort and save time, modern CAD tools offer the ability to automate tasks via a programming language. Moreover, when the design is an iterative process, the automation permits updating the
Externí odkaz:
https://doaj.org/article/7ea2394c961e49088744574e2636beca