Results 1 to 10 of about 3,528,379 (234)

Subjective experiences of bicyclists being passed by motor vehicles: The relationship to motor vehicle passing distance.

open access: yesAccident Analysis and Prevention, 2021
BACKGROUND Feeling unsafe when riding a bicycle is a key barrier to cycling participation. To better understand the experiences of cycling on-road, this study aimed to explore the relationship between cyclists' subjective experiences and the lateral ...
B. Beck   +4 more
semanticscholar   +1 more source

Review and Development of Electric Motor Systems and Electric Powertrains for New Energy Vehicles

open access: yesAutomotive Innovation, 2021
This paper presents a review on the recent research and technical progress of electric motor systems and electric powertrains for new energy vehicles. Through the analysis and comparison of direct current motor, induction motor, and synchronous motor, it
W. Cai   +4 more
semanticscholar   +1 more source

Research on the Use of Potassium Formate in the Indirect Contact Freezing System Used in Food Preservation

open access: yesEnergies, 2023
Low-temperature contact freezing refrigeration solutions available on the market typically contain refrigerants inside the plates, which may result in harmful emissions into the atmosphere and the contamination of food products in case of failure ...
Zuzanna Sydow   +5 more
doaj   +1 more source

The selection of optimal conditions for the process of obtaining humic acid from brown coal [PDF]

open access: yesE3S Web of Conferences, 2019
The type of plant substance from which brown coal is formed and the conditions in which it forms largely influence its characteristics and properties.
Janeba-Bartoszewicz Edyta   +3 more
doaj   +1 more source

Optimizing the Formation of Hydraulic Cylinder Surfaces, Taking into Account Their Microrelief Topography Analyzed during Different Operations

open access: yesMachines, 2021
Causes of the in-service damage to hydrocylinder liners were investigated, and the requirements to their working surfaces were systematized. Roughness parameter Ra was found not to provide a precise estimate of the surface quality because its reduction ...
Volodymyr Dzyura, Pavlo Maruschak
doaj   +1 more source

Motor Vehicles

open access: yesNature, 1902
Merrick-Rippner Probate
openaire   +2 more sources

Optimization of gear ratios and gear-shifting strategy for enhanced efficiency in tracked vehicles

open access: yesVojnotehnički Glasnik, 2023
Introduction/purpose: Tracked vehicles play a vital role across various domains, from military operations to construction and agriculture. This study focuses on improving the efficiency of tracked vehicles by optimizing both gear ratios and gear-shifting
Stefan V. Milićević   +1 more
doaj   +1 more source

Experimental Validation of a High-Speed Tracked Vehicle Powertrain Simulation Model

open access: yesMeasurement Science Review, 2023
High-speed tracked vehicles have complex powertrains that, in addition to power transfer and transformation, also perform the functions of vehicle steering and braking systems, as well as power supply system for various subsystems on the vehicle ...
Ponorac Luka, Blagojević Ivan
doaj   +1 more source

Component sizing and energy management for a series hybrid electric tracked vehicle

open access: yesVojnotehnički Glasnik, 2022
Introduction/purpose: The paper presents a systematic approach to the development of a series hybrid electric tracked vehicle (HETV) including powertrain sizing and adequate energy management strategy (EMS) selection. Methods: Powertrain elements were
Stefan V. Milićević   +1 more
doaj   +1 more source

Influences on lateral passing distance when motor vehicles overtake bicycles: a systematic literature review

open access: yes, 2020
Cyclists are often passed by motor vehicles in low-cycling countries where most riding occurs on roads. When passing events occur, the lateral passing distance (LPD) between motor vehicles and bicycles is critically important for objective and subjective
Elisabeth Rubie   +3 more
semanticscholar   +1 more source

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