Results 121 to 130 of about 217,272 (213)
Analysis of combinations of altitude and descent rate for safe abort during terminal phase of lunar landing [PDF]
Boundary curve for combinations of altitude and descent rate for safe abort during terminal phase of lunar ...
Beasley, G. P.
core +1 more source
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT Nitramine propellants have attracted considerable attention in the domain of solid rockets and gun propulsion because of their energetic and smokeless features. Ammonium perchlorate (AP) is the widely used oxidizer in propellants owing to the excellent burning characteristics.
Makoto Kohga +2 more
wiley +1 more source
Flight investigation of the VFR and IFR landing approach characteristics and terminal area airspace requirements for a light STOL airplane [PDF]
A flight research program was conducted to determine the terminal area instrument flight capabilities of a light STOL airplane. Simulated (hooded) instrument landing approaches were made using steep single-segment and two-segment glide slopes.
Crane, H. L. +2 more
core +1 more source
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT Combustion velocity is an important parameter for the formulation of pyrotechnic compositions. It is affected by several parameters that are studied in this work. Pyrotechnic compositions studied are ternary compositions composed of an oxidiser, a metallic reducer and a binder. This binder is also an energetic molecule.
Charles Rosères +3 more
wiley +1 more source
Simulation studies of STOL airplane operations in metropolitan downtown and airport air traffic control environments [PDF]
The operating problems and equipment requirements for STOL airplanes in terminal area operations in simulated air traffic control (ATC) environments were studied. These studies consisted of Instrument Flight Rules (IFR) arrivals and departures in the New
Mclaughlin, M. D., Sawyer, R. H.
core +1 more source
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT This study is devoted to the investigation of combustion characteristics of aluminized solid propellants (SPs) with ammonium nitrate (SP4, 44 wt.% and SP5, 66 wt.%), ammonium perchlorate (5 wt.%), and inert (butyl rubber) and active (polyvinyl tetrazole) binders.
Alexander Gromov +3 more
wiley +1 more source
Optimal feedback guidance with disturbance rejection for endoatmospheric powered descent
Chinese Journal of AeronauticsXinglun Chen, Ran Zhang, Huifeng Li
semanticscholar +1 more source
A Comparison Between Allied Ordnance Procedure‐48 and Various Machine Learning Models
Propellants, Explosives, Pyrotechnics, EarlyView.The graphcial abstract shows the influence of data set size, algorithm and composition information on the prediction of stabilizer consumption. ABSTRACT This study examines the stabilizer depletion data of seven distinct gun propellants (single base and double base, stabilized with DPA or Arkadite II) using the allied ordnance procedure (AOP)‐48 ...
Moritz Heil +2 more
wiley +1 more source
Wake Geometry Effects on Rotor Blade-Vortex Interaction Noise Directivity [PDF]
Acoustic measurements from a model rotor wind tunnel test are presented which show that the directionality of rotor blade vortex interaction (BVI) noise is strongly dependent on the rotor advance ratio and disk attitude.
Marcolini, Michael A. +3 more
core +1 more source
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT The decomposition mechanisms of double base rocket propellants are well known and reported, but the influence of atmospheric conditions such as water and oxygen is poorly understood. In this work, the influence of water and oxygen on an extruded double base (EDB) rocket propellant aged between 70 and 100°C was examined using heat flow ...
Alonso Romero Jabalquinto +4 more
wiley +1 more source