Results 21 to 30 of about 1,179 (158)

Review of State-of-the-Art Green Monopropellants: For Propulsion Systems Analysts and Designers

Aerospace, 2021
Current research trends have advanced the use of “green propellants” on a wide scale for spacecraft in various space missions; mainly for environmental sustainability and safety concerns.
Ahmed E. S. Nosseir, Angelo Cervone, Angelo Pasini   +2 more
doaj   +1 more source

Characterization of New Lead-free Ballistic Modifiers and Phthalate-free Plasticizers in Propellants

Journal of Aerospace Technology and Management, 2020
This paper describes the synthesis and characterization of a copper-based ballistic modifier, copper subsalicylate (monobasic copper salicylate), and its performance in green-type propellants.
Rosane Macchiarulo Jorge, Acácio Antonio Mesquita Furtado Filho   +1 more
doaj  

Effects of Different Initial Conditions on Combustion Process of Ammonium Dinitramide-Based Energetic Propellant in Straight Nozzle

Aerospace
As a new type of green propellant, ammonium dinitramide (ADN)-based energetic propellants have wide application value and development potential in the field of space propulsion. This paper delves into the intricate impact of varying initial temperatures,
Luyun Jiang, Chentao Mao, Jianhui Han, Haichao Cui, Baosheng Du, Yongzan Zheng, Jifei Ye, Yanji Hong   +7 more
doaj   +1 more source

A green and environmentally friendly nitrocellulose/ethyl cellulose aqueous coating for enhancing the progressive combustion of gun propellants

FirePhysChem
This study successfully developed a novel energetic coated seven-hole gun propellant using an environmentally friendly aqueous coating system based on nitrocellulose/ethyl cellulose (NC/EC), combined with fluidized bed coating technology.
Menghe Jiang, Zhiyong Hu, Peng Zhang, Qi Yang, Yafei Wang, Yajun Ding, Zhongliang Xiao   +6 more
doaj   +1 more source

ADN – The new oxidizer around the corner for an environmentally friendly smokeless propellant [PDF]

Journal of Aerospace Technology and Management, 2009
The search for a smokeless propellant has encouraged scientists and engineers to look for a chlorine-free oxidizer as a substitute for AP (ammonium perchlorate).
Márcio Y. Nagamachi, José Irineu S. Oliveira, Aparecida M. Kawamoto, Rita de Cássia L. Dutra   +3 more
doaj  

Characterization of an Ignition System for Nitromethane-Based Monopropellants

Aerospace
This paper presents the results of a hot-fire test campaign aimed at characterizing a newly developed ignition system for nitromethane-based green monopropellants.
Maxim Kurilov, Christoph U. Kirchberger, Stefan Schlechtriem   +2 more
doaj   +1 more source

Traditional vs. Energetic and Perchlorate vs. “Green”: A Comparative Study of the Choice of Binders and Oxidising Agents

Molecules, 2023
The aim of this article is to compare rocket propellants containing a traditional binder (hydroxyl-terminated polybutadiene) and an energetic binder (glycidyl azide polymer), as well as a perchlorate oxidising agent and a “green” one, i.e., ammonium ...
Kinga Lysien, Sylwia Waśkiewicz, Agnieszka Stolarczyk, Anna Mielańczyk, Roman Zakusylo, Tomasz Jarosz   +5 more
doaj   +1 more source

Corrosion Behavior of Titanium Alloy in Hydroxylammonium Nitrate (HAN)Based Propellant Using Electrochemical Noise Technology [PDF]

Cailiao Baohu
Hydroxylammonium nitrate (HAN)-based propellant is a new type of green propellant.The compatibility of HAN-based propellants with traditional aerospace structural materials， such as titanium alloys， requires further investigation.The corrosion behavior ...
TANG Zhanmei, PENG Zheng, GUO Wei, BAO Shiguo, SUN Haiyun, ZHANG Xiaoliang
doaj   +1 more source

Mechanical Compression Behaviour of "Green" Rocket Propellants

Problems of Mechatronics Armament Aviation Safety Engineering, 2023
The issues related to mechanical resistance of solid rocket propellants, which can appear during storage or handling of the launching system, are considered to directly influence the burning performance. Thus, in this study, four new types of composite rocket propellants, based on an environmentally friendly oxidizer (phase-stabilized ammonium nitrate),
Florin M. DÎRLOMAN, Traian ROTARIU, Adrian N. ROTARIU, Gabriela TOADER, Liviu C. MATACHE, Gabriel F. NOJA   +5 more
openaire   +2 more sources

Propulsion Systems, Propellants, Green Propulsion Subsystems and their Applications: A Review

Eurasian Chemico-Technological Journal, 2023
A wide range of propellants, and propulsion systems in space exploration by aircrafts or space vehicles was studied, developed, investigated, and commercialized. Liquid, solid, or hybrid propellants have been used for rocket’s launches.
I. Remissa, H. Jabri, Y. Hairch, K. Toshtay, M. Atamanov, S. Azat, R. Amrousse   +6 more
doaj   +1 more source