[PDF] Top 20 J. Aerosp. Technol. Manag. vol.9 número4 jatm v9i4727

... Synthesizing a recurrent algorithm is required, and, ater the formation of the initial conditions based on the measurement of signals receiving time from 4 sensors, it allows to speci[r] ... See full document

... Figure 17 compares both numerical and schlieren image results for free-stream Mach number M ∞ = 0.9272, where one can see a good prediction of the shock wave location through the [r] ... See full document

... Since it is important to remain in the IBM general framework, any point within the flow field (i.e. inside the boundary) and its SCV are considered ordinary. Here Eq. 3 is applied to the whole area of SCV 1, i.e. the ... See full document

... Lei J, Guo F, Huang C (2013) Numerical study of separation on the trailing edge of a symmetrical airfoil at a low Reynolds ...Chin J Aeronaut ...Chin J Aeronaut ... See full document

... balance, and fuel low/Max cycle temperature constraint; variables: engine mass low, fan pressure ratio, IP compressor pressure ratio, HP compressor pressure ratio, HP turbine pressure[r] ... See full document

... Samples with 60 mass-% of RDX had no defined apparent second peak in loss factor curves at deformation frequency higher than 0.1 Hz.. his is a general feature also shown with HMX as i[r] ... See full document

... In this study we propose a new representation of a rocket emission, taking into account the plume rise efect, trajectory, and variable emissions rates (in time and space), into a meteo[r] ... See full document

... The Attitude Determination and Control Subsystem operating modes are the nominal mode, with geocentric pointing attitude control and the stabilization mode, in which only the satellit[r] ... See full document

... Accidents and incidents are an unfortunate element of all sectors of the aviation industry, with the RPAS sector being no exception (Clothier and Walker 2015; ICAO 2013).. The complex[r] ... See full document

... In Table 4, by the percentage of success, we wonder what is the percentage of likelihood of fulfillment of all constraints (as explained in previous seasons) in the presence of uncertainty for the final design. As seen ... See full document

... For rotors in hover and vertical ascend, the blade surface pressure, the integrated rotor performance, and the vortex wake trajectory were analysed using HMB and compared with the exp[r] ... See full document

... In order to launch the 863 Smallsats analyzed in the previous sections, more than 20 different launch vehicles were used (Fig. 9). These launch vehicles are classified by their payload capacities and according to ... See full document

... he volume integral of the transient term is modeled using a first-order backward diference in time. Any integral argument, i.e. E, F, G, and H, is approximated by its average value over the SCS, which is evaluated at its ... See full document

... with the elevation of temperature from 1,238.22 to 1,347.51 K, respectively. Similarly, in higher air densities, it was expected that the sensor would present higher voltage amplitudes due to the increase in the total ... See full document

... he numerical simulation of SCO of RDX and 3 selected PBX based on RDX was performed using Abaqus 2D code to determine the inluence of binder elements on the SCO results of PBX and how[r] ... See full document

... he objective of this study was to process and characterize multifunctional composites, based on epoxy resin/glass iber (GF) woven fabric prepreg and CF/Ni veil, a non-woven material, [r] ... See full document

... From the extinction coefficient, the power absorption coeicient is calculated using α(f) = (4πf)k(f)/c (Perenzoni and Paul 2014) — Fig. 9. Since the absorption coefficient is calculated considering the frequency ... See full document

... ABSTRACT: The optical solar relector is basically a mirror of second surface with low absorptivity/emissivity ratio and negligible degradation in the space environment, which makes i[r] ... See full document

... Hillers A, Christen D, Biela J (2012) Design of a highly eficient bidirectional isolated LLC resonant converter. Proceedings of the 15th International Power Electronics and Motion Control Conference. Krismer F, ... See full document

... he beneit of the Jimsphere Wind Proile Measurement Program at the KSC launch site provided information on the variability of the detail wind characteristics associated with the pre-la[r] ... See full document