ICV Value = 91.63
ISSN: 2578-6350
Editor-in-chief
Dr. Ephraim Suhir Portland State University, USA
Home / Browse Journals & Books / Journal of Aerospace Engineering and Mechanics / Archive / Volume 4, Issue 2
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Review Article Pages 306-347
Abstract: The today’s efforts of aerospace system engineers, not to mention human psychologists, to assure adequate operational reliability of electronic-and-photonic (E&P) products and satisfactory success-and-safety of a mission or of an extraordinary situation, are, as a rule, based on more or less trustworthy statistics and on what is known as best practices. These efforts are typically unquantifiable, i.e. do not end up with numerical data that enable comparing different possible
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Research Article Pages 287-305
Abstract: This numerical study focuses on the impact of a composite-type aircraft on a large aviation-fuel fire in a moving fluid medium. A pyrolysis model over surface of condensed fuel and composite material is incorporated, allowing to investigate the roles of the wind conditions on fire growth, heat flux distribution and smoke products. The outcome of the study indicates that interaction between composite-type aircraft and fire environment combined with the influence of wind conditions affects dramatically the continuous flame shape and consequently, the distribution of the incident
Research Article Pages 273-286
Abstract: This work was part of a major investigation for coaxial jet noise prediction and refers to a study of geometrical and velocity parameters and their influence on the noise generated by coaxial nozzles. The Reynolds Averaged Navier-Stokes (RANS) approach coupled with a fluctuation synthetization model and the integral formulation of Curle's Acoustic Analogy were employed to calculate the noise spectrum and compare it to experimental data from JEAN EU project.
Review Article Pages 265-272
Abstract: The focus of the review part, whose contents was partially presented as a plenary lecture at the 2019 Human Systems Integration (HSI) Conference in Biarritz, France, Sept. 11-13, is on the incentive for applying analytical (“mathematical”) probabilistic risk analysis (PRA) methods and approaches in aerospace human factor (HF), HSI and human-in-the-loop (HITL) related tasks and problems.
Review Article Pages 254-264
Abstract: Nonlinear dynamic response of a thin-and-flexible horizontally-oriented rectangular printed circuit board (PCB), whose non-deformable support contour is subjected to a suddenly applied constant acceleration during spacecraft vertical launch, is considered. The general concept is illustrated by a numerical example. It is shown that the accelerations of the board’s inner points could be much higher than the acceleration of its support contour. The results of the analysis could be used, particularly
Review Article Pages 218-252
Abstract: The outcome a of crucial engineering undertaking must be quantified at the design/planning stage to assure its success and safety, and since the probability of an operational failure is, in effect, never zero, such a quantification should be done on the probabilistic basis. Some recently published work on the probabilistic predictive modeling (PPM) and probabilistic design for reliability (PDfR) of aerospace electronic and photonic
Review Article Pages 211-217
Abstract: The effect of electron, proton and electromagnetic radiations on mass loss of EKOM-1 polymeric composite was studied. Irradiation was made by 40-keV electrons and protons and electromagnetic radiation in vacuum chamber of the UV- 1/2 test facility.
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