Results 51 to 60 of about 27,081 (222)
Experimental Hypersonic Aerodynamics and Advances in Aerospace Engineering [PDF]
فناوری در مهندسی هوافضا, 2017 Most space missions fall in the hypersonic reentry regime. There are several open questions and unknown phenomena in aerothermodynamics around vehicles at flow regimes exceeding Mach 4 due to its inherent complexities.
Shahed Malekipour, Mohammad Ebrahimi
doaj
Universities as the Next Counterintelligence Battleground in Geopolitical Contests
Global Policy, EarlyView.ABSTRACT Globally, universities are increasingly becoming the target of foreign national security actors, engaging in espionage, sabotage, foreign interference and intellectual property theft. Despite that, there has been no examination of the utilisation of counterintelligence approaches by universities to the threats they face from the subordination ...
Brendan Walker‐Munro +1 more
wiley +1 more source
War as a Phenomenon of Inquiry in Management Studies
Journal of Management Studies, EarlyView.Abstract We argue that war as a phenomenon deserves more focused attention in management. First, we highlight why war is an important and relevant area of inquiry for management scholars. We then integrate scattered conversations on war in management studies into a framework structured around three building blocks – (a) the nature of war from an ...
Fabrice Lumineau, Arne Keller
wiley +1 more source
The Role of Planetary Rotation in Polar Cusp Localization
Geophysical Research Letters, Volume 53, Issue 10, 28 May 2026.Abstract Juno observations have revealed that Jupiter's polar cusps are displaced toward dusk and even the nightside, contradicting the Earth‐derived paradigm that is confined to narrower ranges near noon. These findings underscore the overlooked influence of planetary rotation on magnetospheric dynamics, exposing a critical gap in current theoretical ...
Junjie Chen +9 more
wiley +1 more source
Hypersonic Flow Research [PDF]
Nature, 1963 Hypersonic Flow Research Edited by Frederick R. Riddell. A Selection of Technical Papers based mainly on a Symposium of the American Rocket Society held at the Massachusetts Institute of Technology, Cambridge, Mass., August 16–18, 1961. (Progress in Astronautics and Rocketry, Vol. 7.) Pp. x + 758. (New York: Academic Press, Inc.; London: Academic Press,
openaire +1 more source
Engineering Reports, Volume 8, Issue 5, May 2026.A numerical investigation using 3D RANS simulations demonstrates significant effects of protuberance geometry—cubic, cylindrical, spherical, and conical—on shock‐induced thrust vectoring in supersonic nozzles. Cubic protuberances provide the maximum jet deflection (˜2°) with negligible thrust reduction.
Mohammadreza Soufivand +3 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Composite materials hold significant potential for abrasive sealing, yet composite materials used for abrasive sealing fall short in service durability under extreme environments. Here, a controllable strategy for adjusting pore structure is proposed, aiming to design a YSZ(ESP)/BN@ZrO2‐polyester coating with hybrid micron/nanometer ...
Shuang Yu +8 more
wiley +1 more source
Hypersonic aerodynamic problems at re-entry of space vehicles [PDF]
Hypersonic aerodynamic problems at space vehicle reentry - plasma effects on communications blackout, hypersonic flow, and atmospheric ...
Hermann, R.
core +1 more source
Radiative Forcing and Ozone Depletion of a Decade of Satellite Megaconstellation Missions
Earth's Future, Volume 14, Issue 5, May 2026.Abstract Satellite megaconstellations (SMCs) are driving rapid increases in rocket launch and re‐entry rates, emitting pollutants throughout the atmosphere. The environmental impact of SMCs lacks characterization to determine the need for regulation. We utilize a global 3D emission inventory of recent (2020–2022) space activity that distinguishes SMC ...
Connor R. Barker +12 more
wiley +1 more source
Experimental investigation of hypersonic buzz on a high cross-range shuttle configuration [PDF]
A wind tunnel investigation has been conducted to determine the nature of an unsteady hypersonic flow phenomenon, often referred to as hypersonic buzz, on a 1:100 scale model representative of a high cross-range shuttle configuration.
Goldman, R. L., Obremski, H. J.
core +1 more source