Results 51 to 60 of about 9,716 (286)

Stability and Control During Vertical Take-Off and Landing: The Impact of Aerodynamics

open access: yesAerospace
Under the European Space Agency (ESA) support, INCAS has taken the initiative to develop an Ascent and Descent Autonomous Maneuverable Platform (ADAMP) which will serve as an in-flight testing platform for reusable space technologies.
Tudorel-Petronel Afilipoae   +3 more
doaj   +1 more source

Emergent Spin Supersolids in Frustrated Quantum Materials

open access: yesAdvanced Materials, EarlyView.
This review highlights developments in the study of spin super‐solids in frustrated quantum materials. Advanced experimental characterizations and computational studies enable a comprehensive understanding of the driving mechanisms of spin super‐solidity in various layered transition‐metal compounds, bridging materials, experiments, and theory aspects.
Yixuan Huang   +2 more
wiley   +1 more source

Electrolyte Design for Fast‐Charging Lithium‐Based Batteries

open access: yesAdvanced Materials, EarlyView.
A decade of progress in fast‐charging electrolytes for lithium batteries is reviewed. Electrolyte design strategies spanning solvents, salts, additives, and advanced systems, such as localized high‐concentration electrolytes (LHCEs), are summarized. Advanced diagnostic tools for lithium plating and interphase chemistry are discussed, with perspectives ...
Chen Liu, Zehao Cui, Arumugam Manthiram
wiley   +1 more source

Vertical Take-off and Landing Autonomous Aircraft Design

open access: yes, 2019
This project addresses the design, analysis, and and construction of an autonomous fixed-wing/rotorcraft hybrid aircraft capable of vertical take-off and landing.
Weiss, Tyler Michael   +7 more
core   +3 more sources

Optimizing Urban Air Mobility: A Ground-Connected Approach to Select Optimal eVTOL Takeoff and Landing Sites for Short-Distance Intercity Travel

open access: yesIEEE Open Journal of Vehicular Technology
The progression of low-carbon aviation policies and the maturation of electric vertical take-off and landing (eVTOL) technology have engendered considerable prospects for the advancement of short-haul intercity and intra-city transportation systems.
Yantao Wang   +3 more
doaj   +1 more source

All‐Amyloid Functional Coacervates

open access: yesAdvanced Materials, EarlyView.
This study introduces an all‐amyloid interfacial complex coacervate technique that employs charge‐mediated or functionalization‐assisted complexation of oppositely charged food protein‐derived amyloid nanofibrils to engineer functional soft constructs across multiple length scales.
Seyyed Alireza Hashemi   +4 more
wiley   +1 more source

ON MODERN APPROACH TO AIRPLANE-TYPE UNMANNED AERIAL VEHICLES DESIGN WITH SHORT TAKEOFF AND LANDING PART III. NUMERICAL MODELING OF AIRCRAFT VORTEX AERODYNAMICS BY DISCRETE VORTEX METHOD [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2018
This publication continues a series of review papers devoted to the urgent problems of designing unmanned aircrafts of the next generation, which are expected to appear in the period from 2025 to 2035.
P. V. Bulat, O. P. Minin
doaj   +1 more source

Requirements report for SSTO vertical take-off/horizontal landing vehicle [PDF]

open access: yes, 1994
This document describes the detailed design requirements and design criteria to support Structures/TPS Technology development for SSTO winged vehicle configurations that use vertical take-off and horizontal landing and deliver 25,000 lb payloads to a 220
Greenberg, H. S.
core  

Descriptors to Dynamics: A Materials and Device Perspective on in‐Materio Physical Reservoir Computing for Neuromorphic Edge Intelligence

open access: yesAdvanced Materials, EarlyView.
Intrinsic material dynamics are harnessed as computational resources for neuromorphic in‐materio physical reservoir computing. Defects, ionic motion, interfaces, percolation, geometry, and biasing shape transient states that provide fading memory, nonlinearity, and high‐dimensional projection for simple readout. A descriptor‐to‐dynamics framework links
Kshitij RB Singh   +5 more
wiley   +1 more source

Experimental study on catapult take-off and sudden extension of carrier-based aircraft's nose landing gear

open access: yesXibei Gongye Daxue Xuebao
The landing gear dynamics test is an important means to verify whether the structural parameter characteristics meet the design requirements in the research and development process, and the simulation accuracy of the dynamic process constraint conditions
CUI Panli   +4 more
doaj   +1 more source

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