Results 51 to 60 of about 2,283 (262)
HYBRID PROPELLANT ROCKET MOTOR [PDF]
International Conference on Aerospace Sciences and Aviation Technology, 1999 The paper deals with hybrid propellant rocket motor as a propulsion unit of prospective rocket weapon systems, as well as a drive unit of some cosmic rocket carriers. There are introduced possible constructional schemes of hybrid propellant rocket motor and is mentioned further on the particular general internal ballistic solution of the solid part of ...
openaire +1 more source
Kin discrimination in plants: overview and implications for population and community ecology
Biological Reviews, EarlyView.ABSTRACT Following the discovery of identity discrimination, particularly self and kin discrimination amongst plant competitors, research on interplant interactions has advanced significantly within plant physiology and evolutionary ecology. This review synthesizes current knowledge on how both self and kin discrimination influence plant growth ...
Akira Yamawo
wiley +1 more source
Exploring Sustainable Growth: Eco‐Innovation Among Small and Medium‐Sized Enterprises
Business Strategy and the Environment, EarlyView.ABSTRACT We examined how small and medium‐sized enterprises (SMEs) in the aerospace industry developed capabilities for eco‐innovation, specifically SMEs enrolled in a green transition mentorship programme. To this end, we conducted multiple case studies over 2 years (August 2022 to November 2024) to gather data through semi‐structured interviews with ...
Coralie Gagné +5 more
wiley +1 more source
International Journal of Aviation, Aeronautics, and Aerospace, 2020 Polymeric composites have been widely used in various structural and thermal aerospace applications. Polymeric composites having high strength and high modulus reinforcement are ideally suited for lot of critical aerospace applications as structure is ...
Jai Krishna Mishra +4 more
doaj +1 more source
Sustainability and Scope: A Comparative Study of Discretion Making for Sustainability
Business Strategy and the Environment, EarlyView.ABSTRACT The measurability of sustainability is a subject of ongoing debate. Discretion is an important antecedent to such valuation yet remains largely unaddressed. Thus, we conduct a cross‐case study of four organizations, finding differences between product and service firms in how they define their sustainability discretion, which is shaped by and,
Annabelle Müller
wiley +1 more source
Carbon Energy, EarlyView.Replacing the oxygen evolution reaction with the electro‐oxidation of pollutants and waste streams offers an energy‐efficient route for simultaneous hydrogen production and pollutant remediation. This review summarizes the reaction mechanisms, catalyst design principles, and emerging paired‐electrolysis strategies that govern activity, selectivity ...
Safa Al‐Yahyaey +4 more
wiley +1 more source
MachinesDuring the ignition process of a solid rocket motor, the pressure changes dramatically and the ignition process is very complex as it includes multiple reactions.
Huixin Yang +4 more
doaj +1 more source
A numerical method for solid propellant grain design [PDF]
Scientific Technical Review, 2018 In this study, a grain burnback analysis for an Anchor solid propellant grain geometry for a rocket motor was done. The design process involves parametric modeling of the geometry in using PTC Creo software through dynamic variables that define the ...
Tanaskovski Bojan +3 more
doaj
Optimization of Construction of the rocket-assisted projectile
MATEC Web of Conferences, 2017 New scheme of the rocket motor of rocket-assisted projectile providing the increase in distance of flight due to controlled and optimal delay time of ignition of the solid-propellant charge of the SRM and increase in reliability of initiation of the SRM ...
Arkhipov Vladimir, Perfilieva Ksenia
doaj +1 more source
Bond Formation: Shaken, Not Stirred
Chemistry – A European Journal, EarlyView.Shaking of seismo‐molecules efficiently transforms kinetic energy into storable chemical potential, unlocking high‐utility Gibbs free energy. This innovative mechanism pioneers uncharted scientific frontiers, introducing fascinating phenomena like seismochemistry, seismochromism, and seismofluorescence that redefine the boundaries of molecular ...
Alexander D. Q. Li
wiley +1 more source