Results 81 to 90 of about 1,531,293 (230)

Experimental Investigation on a Throttleable Pintle-Centrifugal Injector

open access: yesApplied Sciences
This paper presents the design and experimental evaluation of a throttleable pintle-centrifugal injector system tailored for hybrid rocket engines, aimed at improving combustion efficiency and enabling precise throttling control.
Tianwen Li   +3 more
doaj   +1 more source

Large‐Scale Applications of Plasma Technologies: Progresses and Challenges

open access: yesHigh Voltage, EarlyView.
ABSTRACT Plasma technologies convert electrical power into energetic electrons, ions, reactive species, radiation and heat, thereby breaking through the bottleneck of purely thermal or chemical routes and bringing impressive changes to our world. This roadmap reviews the progress and challenges of plasma technologies from a large‐scale and application ...
Pankaj Attri   +51 more
wiley   +1 more source

Analysis of the characteristics of the ejector mode of the pulse detonation propulsion system of the combined acceleration cycle

open access: yesАвіаційно-космічна техніка та технологія
The subjects of this article are processes in the chamber of the pulse detonation propulsion system of the combined acceleration cycle (PSCA). The goal is to identify the most significant factors and study their influence on the defining characteristics ...
Olena Zolotko   +4 more
doaj   +1 more source

Sino‐Mexican Encounters Before the ‘Diplomatic Opening’: Exhibition Diplomacy and Grassroots Friendship in the 1960s

open access: yesHistory, EarlyView.
Abstract During the 1960s, Mexico's Institutional Revolutionary Party (PRI) embraced Chinese overtures for a commercial opening as consistent with its anti‐imperialist posture, thereby foreshadowing the diplomatic opening to China in 1972. Yet this professed ideological pluralism was eclipsed by an underlying allegiance to the United States' anti ...
YIXIN TIAN
wiley   +1 more source

Designing and Testing of HDPE–N2O Hybrid Rocket Engine

open access: yesEngineering Proceedings
Hybrid Rocket Engines (HREs) combine the advantages of solid and liquid propellants, offering thrust control, simplicity, safety, and cost efficiency.
Triyan Pal Arora   +6 more
doaj   +1 more source

DIFFERENTIATED INFRASTRUCTURAL CITIZENSHIP: Claims‐Making and the Limits to Transformative Urbanization in a Fast‐Growing Small City

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract This article develops the concept of differentiated infrastructural citizenship (DIC) to explain how infrastructural citizenship is materially mediated, socially differentiated, and unevenly exercised in a rapidly urbanizing small city. It advances scholarship on infrastructural citizenship and everyday claims‐making as political participation
Nidhi Subramanyam
wiley   +1 more source

Design and Optimization of a Hybrid Gas Generator for Hydrogen Peroxide Tank Pressurization

open access: yesChallenges and Issues of Modern Science
Purpose. This study develops a pressurization system for hydrogen peroxide tanks using a hybrid gas generator powered by liquid oxygen and solid fuel.
Mykhailo Vorobei, Mykola Bondarenko
doaj  

THE TRANSCALAR POLITICS AND SPATIAL IMPLICATIONS OF INVESTMENTS IN SHOPPING MALLS IN AFRICAN CITIES: A Study of Accra's West Hills Mall, Ghana

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract A surge in the number of shopping malls across many African cities reflects capital's responses to the continent's growing middle class and deepening neoliberal globalization. This article develops an analysis of the transcalar nature of these urban investments using the case of the West Hills Mall (WHM) in the Greater Accra Metropolitan Area (
Rosina Sheburah Essien   +5 more
wiley   +1 more source

The Mysterious Stranger and Modern Enchantment

open access: yesThe British Journal of Sociology, EarlyView.
ABSTRACT Sociological accounts of modernity have long emphasized rationalization, alienation, and the attenuation of affective intensity. While these diagnoses capture crucial dynamics of modern social order, they leave underexplored a persistent and generative dimension of social life: enchantment.
Dmitry Kurakin
wiley   +1 more source

Optimization of the stand for test of hybrid rocket engines of solid fuel

open access: yesMATEC Web of Conferences, 2017
In the paper the laboratory experimental stand of the hybrid rocket engine of solid fuel to study ballistic parameters of the engine at burning of high-energy materials in flow of hot gas is presented.
Zolotorev Nikolay   +2 more
doaj   +1 more source

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