Results 51 to 60 of about 863,762 (375)
Hybrid Rocket Engine Ignition and Control [PDF]
, 2020 Control of a hybrid rocket engine is dependent upon a robust system capable of executing commands at precise times. In order to accomplish this, hardware systems must be in place to control the flow of a pressurized gas and provide feedback to launch ...
Blampied, Trevor +3 more
core +1 more source
Comparison of Reactive Flow Simulations for a LOX/CH4 Multi-element Rocket Engine [PDF]
MATEC Web of Conferences, 2019 This study details the reactive flow simulations of a LOX/CH4 Multi-element rocket engine. The work has been conducted within the framework of the HYPROB-BREAD project whose main objective is the design, manufacture and testing of a LOX/LCH4 ...
French Ainslie D. +5 more
doaj +1 more source
Advanced Science, EarlyView.Introducing energetic Cu‐based metal salts into the covalent organic frameworks (COFs) structure, Cu is in single‐atom form anchored to the framework, with energetic anions confined in the COFs structure. The synergistic interaction between single Cu atoms and the anions accelerates the reaction kinetics of ammonium perchlorate (AP) decomposition ...
Meng Zhang +8 more
wiley +1 more source
Apparatus and method for protecting a photographic device Patent [PDF]
, 1970 Camera protecting device for use in photographing rocket engine nozzles or other engine ...
Bailey, R. L., Tibbitts, W. C.
core +1 more source
Ablation performance of 3D C/SiC composite nozzles under double-component liquid power environment
Cailiao gongcheng, 2022 In order to explore the ablation characteristics of C/SiC ceramic composite nozzles in the working environment of liquid rocket engines, 3D C/SiC composite nozzle was prepared by the precursor impregnation pyrolysis(PIP) process, and the ablation test of
BAI Longteng +4 more
doaj +1 more source
Advanced Science, EarlyView.The main process of the eutectic molten salt method and the direct regeneration of Spent lithium (Li)‐ion batteries by the eutectic molten salt method have brought structural, performance, environmental, and economic benefits. Abstract The rapid growth of electric vehicles (EVs) has significantly increased the demand for lithium (Li)‐ion batteries ...
Junyi Wang +3 more
wiley +1 more source
Rocket engine analog simulation [PDF]
, 1968 Mathematical equations simulate the operation of a rocket engine, simulate destructive and nondestructive tests to verify engine design feasibility, and investigate nonlinear variations in engine ...
Philyaw, B. K., Randazzo, G. J.
core +1 more source
Innovative Approach to Recycle Lithium‐Ion Battery Electrolytes via Sequential Chemical Processes
Advanced Energy Materials, EarlyView.A chemical separation method is developed to recycle and purify nonaqueous electrolytes from spent lithium‐ion batteries. The new process consists of a sequence of precipitation in tandem with each distillation and solvent‐assisted vacuum extraction to obtain high‐quality electrolyte precursors.
Ting‐Wei Hsu +2 more
wiley +1 more source
Two-axis winch installer for heavy ducts in confined space [PDF]
, 1969 Two-axis winching and traversing device is used for installing liquid-propellant rocket-engine fuel and liquid oxygen suction ducts between the valves and the rocket engine on a test stand.
Cox, E. F.
core +1 more source
Phase Transition in Halide Double Perovskites for Solar‐To‐Chemical Energy Conversion
Advanced Energy Materials, EarlyView.Disorder‐to‐order phase transition in double perovskite Cs2AgBiBr6 eliminates self‐trapped excitons and antisite defects and promotes charge separation, with over sixfold photoactivity enhancement in photocatalytic C−H bond activation. Abstract Halide double perovskites have recently garnered significant interest in solar energy conversion applications
Chunhua Wang +12 more
wiley +1 more source