Results 51 to 60 of about 38,437 (282)

Combustion of Date Stone and Jojoba Solid Waste in a Hybrid Rocket-like Combustion Chamber

open access: yesAerospace
The performance of two solid biomass wastes, date stone and jojoba solid waste, was experimentally examined for their potential application in combustion and propulsion systems.
Saleh B. Alsaidi   +2 more
doaj   +1 more source

Visualization and Emission Spectra of Flames in Combustion Chamber of Swirling-Oxidizer-Flow-Type Hybrid Rocket Engines

open access: yesJournal of Thermal Science and Technology, 2011
In order to clarify flame behavior in the combustion chamber of swirling-oxidizer-flow-type hybrid rocket engines, a small hybrid rocket engine with a large quartz glass window was fabricated to observe the inside of the combustion chamber from the front
Saburo YUASA   +5 more
doaj   +1 more source

Recent X-ray hybrid CMOS detector developments and measurements

open access: yes, 2018
The Penn State X-ray detector lab, in collaboration with Teledyne Imaging Sensors (TIS), have progressed their efforts to improve soft X-ray Hybrid CMOS detector (HCD) technology on multiple fronts. Having newly acquired a Teledyne cryogenic SIDECAR ASIC
Bai   +13 more
core   +1 more source

Architectural Design and Affecting Factors of Jute‐Based Flame‐Retardant Textiles for Real‐World Applications

open access: yesNano Select, EarlyView.
Jute‐based flame‐retardant textiles are eco‐friendly materials used in home textiles, firefighting gear, and insulation. Developed through coating, exhaustion, and chemical treatments, they offer safety, scalability, and versatility. Challenges include cost, durability, and environmental impact.
Md. Nazif Hasan Chowdhury   +4 more
wiley   +1 more source

Dynamic Testing of a Hybrid-Propellant Water-Breathing Ram Rocket in Underwater Cruise Conditions

open access: yesJournal of Marine Science and Engineering
High-speed submerged marine vehicles, such as torpedoes, traveling at velocities of an order of 100 m/s and above, require powerful propulsion to overcome the tremendous hydrodynamic drag.
Sagi Dinisman   +2 more
doaj   +1 more source

Review on the regression rate-improvement techniques and mechanical performance of hybrid rocket fuels

open access: yesFirePhysChem, 2021
Human spaceflight, space tourism, and the launch of microsatellites are all expected to grow in the future. In fact, with the recent increase of the satellite market, almost 1000 smallsats per year are foreseen to be launched over the next decade. Hybrid
Yash Pal   +4 more
doaj  

Conceptual design: Dependence of parameterization on design performance of three-stage hybrid rocket

open access: yesJournal of Fluid Science and Technology, 2014
The subject of this paper is to improve on parameterization for conceptual design method of three stage hybrid rocket. Multi-Objective Genetic Algorithm (MOGA) is employed to solve multi-disciplinary design exploration of a three-stage launch vehicle ...
Masahiro KANAZAKI   +5 more
doaj   +1 more source

Hybrid material performance assessment for rocket propulsion

open access: yesJournal of the Mechanical Behavior of Materials, 2022
Fuel based on hybrid green material is of paramount importance for various military and civilian purposes. This work presents a novel expert-based multi-criteria hierarchy and decision-making model to evaluate various chemical rocket propulsion ...
AL-Oqla Faris M., Hayajneh Mohammed T.
doaj   +1 more source

Pressure and Flow Validation of a Second Generation Gas Extraction Probe for a Hybrid Rocket Gas Extraction System [PDF]

open access: yes, 2002
A gas extraction system (GES) has been designed for use with the hybrid rocket facility at the University of Arkansas at Little Rock (UALR) for spectroscopic analysis of rocket plumes.
Meadors, Constance, Wright, Andrew B.
core  

Advances and Trends in Terrain Classification Methods for Off‐Road Perception

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Off‐road autonomous vehicles (OAVs) are becoming increasingly popular for navigating challenging environments in agriculture, military, and exploration applications. These vehicles face unique challenges, such as unpredictable terrain, dynamic obstacles, and varying environmental conditions.
Tanzila Arafin   +5 more
wiley   +1 more source

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