Results 61 to 70 of about 23,098 (247)
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020 The algorithm of the turn of the spacecraft from an initial arbitrary angular position at an arbitrary angular rate to a solar-oriented attitude is investigated.
M. G. Shipov +2 more
doaj +1 more source
Characterization of Ultrafast Decomposition Dynamics in Nitrate Esters
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT Ignition of energetic materials initiates chemical reactions on atomic length scales within femtoseconds, making these reactions difficult to investigate experimentally. The technique of femtosecond time‐resolved mass spectrometry (FTRMS) can capture molecular rearrangement and bond‐breaking events in isolated molecules with sub‐50 femtosecond
Madison K. Minvielle +3 more
wiley +1 more source
Computer simulation of high-frequency combustion instability and its supression [PDF]
, 1968 Program for simulation of gas motion illustrates the effects of some of the variables on the combustion chambers of liquid propellant rocket engines.
Bucher, R. E.
core +2 more sources
Small Methods, EarlyView.This study introduces an in situ UV torsional force spectroscopy method to track how polymers harden under UV light. The technique maps stiffness and energy loss beneath the surface in real time. It reveals how cross‐linking develops and identifies regions with different mechanical behavior, helping optimize UV curing processes in polymer materials ...
Marvin Hoffer +6 more
wiley +1 more source
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016 The article presents the results of calculations and experimental studies of a vacuum system with an aft diffuser for high-altitude firing tests of low-thrust liquid rocket engines.
R. N. Galperin +5 more
doaj +1 more source
Investigation of critical burning of fuel droplets [PDF]
Steady and unsteady combustion of liquid fuel droplets under rocket engine conditions was analyzed. Emphasis was placed on combustion at elevated pressures and temperatures.
Chanin, S., Faeth, G. M.
core +1 more source
steel research international, EarlyView.Cold spray deposition of stainless steel (grade: SS304) is evaluated for marine applications, with emphasis on martensitic transformation during impact. Analytical modeling, simulations, and experiments reveal that helium‐assisted spraying of fine powders promotes cooling below the martensitic start temperature, enabling up to ≈40% austenite to ...
Cal Vin Wong +4 more
wiley +1 more source
The hard start phenomena in hypergolic engines. Volume 1: Bibliography [PDF]
A bibliography of reports pertaining to the hard start phenomenon in attitude control rocket engines on Apollo spacecraft is presented. Some of the subjects discussed are; (1) combustion of hydrazine, (2) one dimensional theory of liquid fuel rocket ...
Miron, Y., Perlee, H. E.
core +1 more source
Effect of Moderate Heat on TCE Reductive Dechlorination Rates in Groundwater
Groundwater Monitoring &Remediation, EarlyView.Abstract Low‐temperature heating (in the mesophilic range of ~15 to 40 °C) of contaminated aquifers offers the prospect of increasing the rates for biotic and abiotic treatment of volatile organic compounds. Thermal In Situ Sustainable Remediation (TISR®) is one of the approaches available to implement low temperature heating.
David L. Freedman +3 more
wiley +1 more source
Prospects for the mastery of space and the basic problems which must be solved in developing systems for both manned and cargo spacecraft are examined. The achievements and flaws of rocket boosters are discussed as well as the use of reusable spacecraft.
Chekalin, S. V., Grishin, S. D.
core +1 more source