Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Mirosław Wendeker"'
Publikováno v:
Advances in Sciences and Technology, Vol 17, Iss 6, Pp 16-26 (2023)
The article presents the results of toxic emissions in road tests of an urban bus. The object of the study was the Mercedes Connecto city bus. The results of toxic emissions were recorded in real time while bus drives with the use of the Semtech Ecos
Externí odkaz:
https://doaj.org/article/271718713f9c4f1280aa785418c9594d
Publikováno v:
Advances in Sciences and Technology, Vol 16, Iss 3, Pp 54-66 (2022)
This paper presents the research results for a diesel and hydrogen fueled engine. The research object is a four-cylinder, four-stroke ADCR engine with a displacement of 2,636 cm3. In the experiments, glow plugs were replaced with compressed hydrogen
Externí odkaz:
https://doaj.org/article/23d1b1a6801e4d22b4c7fd707a42f32a
Publikováno v:
Combustion Engines, Vol 191, Iss 4, Pp 23-28 (2022)
The researched object os a helicopter main rotor with blades of variable geometric twist characteristics. Variable torsion refers to systems of actuators made of shape memory alloys. The presented numerical analyses allow for evaluating both the dyna
Externí odkaz:
https://doaj.org/article/630d5d12f06642b392fcb472f388ef5c
Publikováno v:
Applied Computer Science, Vol 18, Iss 1, Pp 5-19 (2022)
This paper investigates the strenght of a conceptual main rotor blade dedicated to an unmanned helicopter. The blade is made of smart materials in order to optimize the efficiency of the aircraft by increasing its aerodynamic performance. This purpos
Externí odkaz:
https://doaj.org/article/f622efbfee4d4f8c972ae4d61b628bbc
Measuring Regenerative Braking Electricity Generated by the City Bus with Internal Combustion Engine
Publikováno v:
Advances in Sciences and Technology, Vol 15, Iss 3, Pp 215-223 (2021)
Engine braking, just when the vehicle consumes no fuel, is an important component of the energy balance. In such states, the bus loses its cumulated kinetic and potential energies but alternators recover a portion of these energies into electricity.
Externí odkaz:
https://doaj.org/article/05766ab0f54a450a8717daacb204de33
Publikováno v:
Combustion Engines, Vol 185, Iss 2, Pp 39-43 (2021)
This paper presents an analysis of selected propulsion units dedicated to test stands for unmanned aircraft systems. It focuses on engines suitable for aircraft with a maximum take-off mass up to 150 kg. The study includes an analysis of propulsion u
Externí odkaz:
https://doaj.org/article/eba613663da3466fb99a22d4d79363e9
Autor:
Karol Ścisłowski, Krzysztof Skiba, Mirosław Wendeker, Rafał Kliza, Ksenia Siadkowska, Tomasz Lusiak, Andrej Novák
Publikováno v:
Communications, Vol 24, Iss 2, Pp B148-B157 (2022)
This paper presents an analysis of the strength of a prototype test rig for testing rotors of unmanned aerial vehicles. Digital design software was used for the design work that covered the creation of a virtual model of the test rig and strength ana
Externí odkaz:
https://doaj.org/article/f6f1c046b186408e87c4975c0f2d5768
Publikováno v:
Combustion Engines, Vol 179, Iss 4, Pp 192-197 (2019)
The paper presents an analysis of the possibility of using a common rail pump to supply an aircraft compression-ignition engine. It is an engine with a two-stroke cycle, three cylinders, opposing pistons and 100 kW power. Its each combustion chamber
Externí odkaz:
https://doaj.org/article/db4276641c8d400a97e75018c71125ac
Publikováno v:
Combustion Engines, Vol 177, Iss 2, Pp 151-155 (2019)
The paper presents the research results of the injector construction with the modified injection nozzle. The injector is designed for a prototype opposed-piston aircraft diesel engine. The measurements were based on the Mie scattering technique. The
Externí odkaz:
https://doaj.org/article/70da4db748504753b0bbde3f60610dac
Publikováno v:
Sensors, Vol 22, Iss 1, p 2 (2021)
The geometry of a propeller is closely related to its aerodynamic performance. One of the geometric parameters of a propeller is pitch. This parameter determines the distance by which the propeller moves forward during one revolution. The challenge i
Externí odkaz:
https://doaj.org/article/980146d4cf75433cb7a4879db50b5a4b