Results 71 to 80 of about 72,125 (260)

Curvy Surface Reconstruction

open access: yesAdvanced Science, Volume 13, Issue 7, 3 February 2026.
This review introduces the concept of “general curvy surface reconstruction,” which incorporates both geometric and physical dimensions, representing an upgrade over conventional geometric reconstruction that focuses solely on spatial relationships. Particular emphasis is placed on the emerging opportunities enabled by advanced measurement techniques ...
Chen Shang   +8 more
wiley   +1 more source

Coupled heat transfer characteristics on gas-solid reacting interface in carbon-oxygen dissociating environment for spacecraft entry flow

open access: yesJournal of Thermal Science and Technology, 2020
High-enthalpy dissociating aerodynamic environment during high-speed spacecraft entries brings new challenges to the prediction of heat transfer characteristics on the surface of thermal protection system.
Xiaofeng YANG   +5 more
doaj   +1 more source

Hypersonic aerodynamic problems at re-entry of space vehicles [PDF]

open access: yes
Hypersonic aerodynamic problems at space vehicle reentry - plasma effects on communications blackout, hypersonic flow, and atmospheric ...
Hermann, R.
core   +1 more source

Reusable high-temperature heat pipes and heat pipe panels [PDF]

open access: yes, 1989
A reusable, durable heat pipe which is capable of operating at temperatures up to about 3000 F in an oxidizing environment and at temperatures above 3000 F in an inert or vacuum environment is produced by embedding a refractory metal pipe within a carbon-
Camarda, Charles J., Ransone, Philip O.
core   +1 more source

An Implicit Discrete Unified Gas-Kinetic Scheme for Simulations of Steady Flow in All Flow Regimes

open access: yes, 2017
This paper presents an implicit method for the discrete unified gas-kinetic scheme (DUGKS) to speed up the simulations of the steady flows in all flow regimes.
Pan, Dongxin   +2 more
core   +1 more source

Harnessing Carbon‐Containing Materials for Next‐Generation High‐Temperature Electromagnetic Wave Absorbers

open access: yesCarbon Energy, Volume 8, Issue 2, February 2026.
Traditional carbon materials show limited high‐temperature oxidation resistance, which becomes pronounced above 673 K and significantly restricts their practical applicability. To address this challenge, enhancing polarization loss and leveraging its negative temperature dependence to offset the temperature‐induced increase in conductance loss are ...
Yang Li   +9 more
wiley   +1 more source

Computational analysis of hypersonic airbreathing aircraft flow fields [PDF]

open access: yes
The general problem of calculating the flow fields associated with hypersonic airbreathing aircraft is presented. Unique aspects of hypersonic aircraft aerodynamics are introduced and their demands on computational fluid dynamics are outlined.
Dwoyer, Douglas L., Kumar, Ajay
core   +1 more source

Composition‐Dependent Wide‐Range Tunability of Optical and Electronic Properties in SnSxSe(2‐x) Alloy Nanosheets

open access: yesSmall, Volume 22, Issue 11, 20 February 2026.
A scalable, solution‐processed route unlocks the full SnSxSe(2–x) alloy spectrum, delivering finely tunable optical and electronic properties—from metallic‐like SnSe2 to wide‐bandgap SnS2. Composition‐guided control over in‐ and out‐of‐plane transport enables performance‐optimized photoelectrochemistry, charting a versatile roadmap for designer ...
Nicolas J. Diercks   +12 more
wiley   +1 more source

Hypersonic reentry vehicle Patent [PDF]

open access: yes, 1967
Aerodynamic configuration of reentry vehicle heat shield to provide longitudinal and directional stability at hypersonic ...
Lamb, R. H., Mayo, E. E.
core   +1 more source

Determination of density and concentration from fluorescent images of a gas flow

open access: yes, 2007
A fluorescent image analysis procedure to determine the distribution of species concentration and density in a gas flow is proposed. The fluorescent emission is due to the excitation of atoms/molecules of a gas that is intercepted by an electron blade ...
AK Agrawal   +15 more
core   +1 more source

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