Results 191 to 200 of about 52,081 (256)

AP-HTPB propellant combustion under strain conditions with laser absorption spectroscopy.

Applied Optics, 2023
Understanding the combustion behaviors of solid propellant with different levels of strains is of practical interest. In this work, an experimental study of the effects of static and dynamic strains on the burning rate, temperature, CO, and C O 2 ...
M. Gu, Jianfeng Ouyang, Shaojie Wang, Wenhao Yuan, Xiaoming Shi, Kaiyu Hou, Li-bai Xiao, Hongxu Gao, Zhongyue Zhou, Fei Qi   +9 more
semanticscholar   +1 more source

HTPB propellants for large booster applications

7th Propulsion Joint Specialist Conference, 1971
Solid propellants based on low cost hydroxyl terminated polybutadiene binders meeting burning rate, mechanical properties and processing requirements for large booster ...
P. SMITH, H. BANKAITIS
openaire   +1 more source

Oscillatory combustion of fine-AP/HTPB propellants

36th AIAA Aerospace Sciences Meeting and Exhibit, 1998
The steady and oscillatory combustion of wide distribution AP/HTPB composite propellants containing coarse AP and fuel-rich, fine-AP/HTPB pocket regions is being investigated experimentally and theoretically. These propellants are of special interest because they are similar to many wide distribution bi-modal tailorable plateau propellants.
S. Hickman, M. Brewster
openaire   +1 more source

Flame structure of ADN/HTPB composite propellants

Combustion and Flame, 2001
Abstract Visual flame characteristics, burning rates, and final flame temperatures for propellants based on ammonium dinitramide (ADN) and hydroxyl-terminated polybutadiene (HTPB) at different HTPB concentrations (3–20%) have been studied at pressures of 0.05 to 0.6 MPa.
Oleg P Korobeinichev, Alexander A Paletsky   +1 more
openaire   +1 more source

Solid Propellants based on ADN and HTPB

47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2011
The aim of this work was to perform an initial evaluation of ammonium dinitramide, ADN, as substitute for ammonium perchlorate, AP, in solid rocket propellants for large space launch boosters. This paper includes performance evaluation, curing and compatibility assessments, propellant formulation and determination of ballistic properties.
John de Flon, Sten Andreasson, Mattias Liljedahl, Carl Oscarson, Marita Wanhatalo, Niklas Wingborg   +5 more
openaire   +1 more source

Research on the vacuum aging performance of HTPB propellant based on the DSC method

Journal of Physics: Conference Series, 2022
The space environment has extreme conditions such as high vacuum and rapid temperature changes, which will lead to problems such as energy drop, irregular burning rate, and abnormal ignition of solid propellants.
Yuqing Tang, Hanyu Deng, Tenghui Liao, Ying-Qiu Qi   +3 more
semanticscholar   +1 more source

Aluminum agglomeration of AP/HTPB composite propellant

Acta Astronautica, 2019
Abstract Aluminum (Al) powder agglomeration is one of the main reasons for the degradation in the performance of aluminized solid propellant rockets and so, understanding the combustion behavior of aluminum in solid propellants is of great importance.
Jifei Yuan, Jianzhong Liu, Yunan Zhou, Jianru Wang, Tuanwei Xv   +4 more
openaire   +1 more source

Simulation and optimization of HTPB propellant aging detection sensor based on cantilever structure

Sensor Review
Purpose The aging detection of solid rocket-terminated hydroxy polybutadiene (HTPB) propellant is crucial for improving the reliability and safety of rocket motors, and cantilever beam sensors have been widely used in the detection field.
Xiaohong Gui, Jin Yan, Wei Xue, X. Zhan
semanticscholar   +1 more source

Tensile fracture of HTPB based propellant specimens

Materials Science and Technology, 2002
AbstractThe failure of a viscoelastic material, such as solid propellant, is a complex phenomenon with a requirement to address the following two fundamental and complementary aspects in the failure criteria. First, what is the failure criterion for a solid propellant in stress–strain space, and what are the variations in failure data when failure is ...
K. Renganathan, B. S. V. Rama Sarma, B. Nageswara Rao, M. K. Jana   +3 more
openaire   +1 more source

Establishment of a NIR-based methodology for tracking the blend homogeneity of HTPB propellant slurry in the mixing process.

Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, 2022
The hydroxyl-terminated polybutadiene (HTPB) propellants with high level of solid loadings from 80 wt% to 90 wt% consist of aluminum (Al) powder, ammonium perchlorate (AP) and HTPB.
Weibin Wang, Liang Xie, Zhaoxuan Wang, Guodong Deng   +3 more
semanticscholar   +1 more source