Results 11 to 20 of about 1,307,349 (312)
Aerospace, 2023 Pulsed plasma thrusters (PPT) have demonstrated enormous potential since the 1960s. One major shortcoming is their low thrust efficiency, typically
Dillon O’Reilly +6 more
doaj +1 more source
Electric Propulsion Methods for Small Satellites: A Review
Aerospace, 2021 Over 2500 active satellites are in orbit as of October 2020, with an increase of ~1000 smallsats in the past two years. Since 2012, over 1700 smallsats have been launched into orbit. It is projected that by 2025, there will be 1000 smallsats launched per
Dillon O’Reilly +2 more
doaj +1 more source
Facial injury patterns associated with stand-up electric scooters in unhelmeted riders
Archives of Plastic Surgery, 2022 Background In recent years, the number of people riding stand-up electric scooters in South Korea has increased rapidly. This study analyzed the facial injury patterns associated with stand-up electric scooter-related trauma in patients who visited our ...
Hyeon Seok Kim +4 more
doaj +1 more source
Analysis of Methods for Determining the Characteristics of a Single Spatial Electromagnetic Field [PDF]
E3S Web of Conferences, 2021 This paper analyzes the methods for determining the characteristics of a single spatial electromagnetic field; considerations combine all–electric, magnetic, and electromagnetic fields into a single electromagnetic theory of a spatial field. On the basis
Khalikov Abdulhak
doaj +1 more source
Electric Vehicles as Electricity Storages in Electric Power Systems [PDF]
Logistics & Sustainable Transport, 2018 Abstract Improvements in battery technology make electric vehicles more and more suitable for the use as electricity storages. Many benefits could be achieved by using electric vehicles for storing electricity in their batteries. This paper talks about the idea of electric vehicles as electricity storages in electric power systems ...
Popović, Vlado +5 more
openaire +3 more sources
Impact of MWCNTs on the structural, electrical, and optical characteristics of PVA/PANi blends
Journal of Taibah University for Science, 2023 Polyvinyl alcohol (PVA)/0.25% polyaniline (PANi)/x wt % MWCNTs (x = 0, 0.1, 0.2, 0.5, 0.8, 1) blends were formed. The X-ray diffraction technique was used to investigate the formation of the different blends.
A. M. El-naggar +5 more
doaj +1 more source
Public Perception of the Introduction of Autonomous Vehicles
World Electric Vehicle Journal, 2023 Autonomous vehicles (AVs) will transform transport, but public opinion will play a key role in decisions on how widely and quickly they are adopted. The purpose of the study presented here was to investigate community’s views on that transition.
Abdulaziz Aldakkhelallah +3 more
doaj +1 more source
Electrical engineering & Electromechanics, 2020 Introduction. A computational analysis of the characteristics of an inductor of a rotating magnetic field for technological purposes is presented. The design of its stator is borrowed from a three-phase induction motor.
V. I. Milykh, L. V. Shilkova
doaj +1 more source
Ecologically preferred types of drive systems for city buses—the context of the Polish energy mix
Environmental Protection and Natural Resources, 2023 The energy mix determines the external costs of transport and the benefits from investments in the drive systems perceived as more environmentally friendly, such as electric vehicles.
Dubel Anna, Trela Mariusz
doaj +1 more source
Effect of Deficit Irrigation under Developed and Traditional Irrigation Systems Using Solar Energy on Cost and Productivity in Clay Soil. [PDF]
Journal of Soil Sciences and Agricultural Engineering, 2023 This research was conducted during the 2021-2022 agricultural season a private farm in Kafr-ElSheikh Governorate to evaluate the impact of using a renewable energy source (solar energy) for developed irrigation system in old lands by comparing it to ...
A. Mohammed, A. Awwad, M. Shabana
doaj +1 more source