Results 11 to 20 of about 3,811,879 (232)

Aerodynamic Numerical Simulation Analysis of Water–Air Two-Phase Flow in Trans-Medium Aircraft

open access: yesDrones, 2022
A trans-medium aircraft is a new concept aircraft that can both dive in the water and fly in the air. In this paper, a new type of water–air multi-medium span vehicle is designed based on the water entry and exit structure model of a multi-rotor UAV ...
Jun Wei   +4 more
doaj   +2 more sources

Impact Load Characteristics of Large-Scale Trans-Medium Vehicles during High-Speed Oblique Water Entry

open access: yes水下无人系统学报
To investigate the impact load characteristics of large-scale trans-medium vehicles during high-speed oblique water entry, a three-dimensional unsteady numerical calculation model of high-speed oblique water entry of the trans-medium vehicles was ...
Tongyun ZHANG   +5 more
doaj   +2 more sources

Editors' perspectives: road vehicle suspension design, dynamics, and control [PDF]

open access: yes, 2011
This paper provides an overview of the latest advances in road vehicle suspension design, dynamics, and control, together with the authors' perspectives, in the context of vehicle ride, handling, and stability.
Cao, Dongpu   +2 more
core   +5 more sources

Chapter As in trans art

open access: yes, 2023
This article engages with trans artistic practices: both trans in art as well as trans as art. It takes as its point of departure the artistic work of Ro Robertson, Tama Sharman, and Erica Rutherford, each of whom works with trans in different ways.
Hettinga, Lieks   +2 more
core   +1 more source

Adaptive Finite-Time Trajectory Tracking Control for Coaxial HAUVs Facing Uncertainties and Unknown Environmental Disturbances

open access: yesApplied Sciences, 2023
In this paper, the problems of system design, dynamic modeling, and trajectory tracking control of coaxial hybrid aerial underwater vehicles (HAUVs) with time-varying model parameters and composite marine environment disturbances are investigated.
Mingqing Lu   +5 more
doaj   +1 more source

Research on Variable-Swept Hybrid Aerial Underwater Vehicle Plunge-Diving Control Based on Adaptive Dynamic Surface Control

open access: yesApplied Sciences, 2023
The variation in aerodynamic parameters during the process of a variable sweepback hybrid aerial underwater vehicle (HAUV) affects flight stability. During the air–water trans-media locomotion, there are medium mutations and solid–liquid gas coupling ...
Beibei Xing   +3 more
doaj   +1 more source

Ship technology, slavery, repatriation and air transportation: continuity and change

open access: yesІсторія науки і техніки, 2023
The Trans-Atlantic Slave Trade, which occurred between the fifteenth and nineteenth centuries, displaced Africans and people of African descent into the New World.
Samuel Adu-Gyamfi   +2 more
doaj   +1 more source

Streaming intersectionality: Queer and trans television aesthetics in post-medium transformation [PDF]

open access: yes, 2019
Following on from the first Trans TV dossier, this dossier shifts the focus from transformations of television industries, institutions, fans and audiences, to questions of queer and trans* aesthetics and representation on contemporary television.
Goddard, M., Hogg, C.
core   +1 more source

The influence of pre-existing vibrations on the dynamic response of medium span bridges [PDF]

open access: yes, 2009
Critical static bridge loading scenarios are often expressed in terms of the number of vehicles that are present on the bridge at the time of occurrence of maximum lifetime load effect.
O'Brien, Eugene J.   +2 more
core   +1 more source

Clean Cities Guide to Alternative Fuel and Advanced Medium- and Heavy-Duty Vehicles (Book) [PDF]

open access: yes, 2013
Today's fleets are increasingly interested in medium-duty and heavy-duty vehicles that use alternative fuels or advanced technologies that can help reduce operating costs, meet emissions requirements, improve fleet sustainability, and support U.S. energy

core   +1 more source

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