[PDF] Top 20 J. Aerosp. Technol. Manag. vol.5 número1

... he Aerospace Science and Technology Department – DCTA – is composed of several institutes; each of them is primarily devoted to a speciic technological task level on the process of s[r] ... See full document

... T-peel strength measurements (EPDM x PU) For the evaluation of EPDM adhesion (after treatment) versus PU adhesive versus plasticized polyvinyl chloride (PVC), strips were used to prepare the joints. PVC was chosen ... See full document

... An aerospace vehicle’s response to terrestrial environment design criteria must be carefully evaluated in order to provide an acceptable design relative to the desired operational requirements. he choice of criteria ... See full document

... 1 – Weather factor: indicates the percentage of processes that were, somehow, affected in the base year due to meteorological conditions. These data were obtained, indirectly, from the public database of processes of the ... See full document

... he curves have the same behavior, with a single horizontal shit of 5 dB (A) between them, as shown in Fig. 5. From a certain noise level, the percentage of HAP obtained from the fuzzy modeling grows at a ... See full document

... (2011) to synthesize BM controllers free of essential hazard is improved for XBM controllers. These proposed ports are implemented in the following architectures: “Huffman machine wit[r] ... See full document

... However, a far greater concern for a cellular network is the interference caused by mobile devices and BTSs which transmit more power than required for reliable communications. Modern cellular systems thus implement ... See full document

... Stacking sequence optimization of laminated cylindrical shells for buckling and free vibration using genetic algorithm and neural networks have been investigated by Gharib and Shakeri.[r] ... See full document

... When the lowest thermal constraint is imposed, the vehicle must dive into the atmosphere earlier to perform the assigned maneuver, even if it will descend less than in the other cases (Fig. 8). More precisely, to achieve ... See full document

... Before adding the laser energy, the hypersonic airlow is isentropic (region 1). Hence, from isentropic airlow properties in appendix A.1 of Anderson’s book (Anderson, 2003), for a given M 1 we obtain T 01 /T 1 and then T ... See full document

... Step (12): Compute momentum, thrust and power; Step (13): Increment time step and repeat from step (5). he equations of the BEM method must be solved iteratively. he low angle and thus the angle of attack depend ... See full document

... he non-matched point lutter analysis will be based on the variation of the freestream speed at each of the maximum dynamic pressure peaks, each one associated to the irst and second s[r] ... See full document

... Karnik, T. and Hazucha, P., 2004, “Characterization of soft errors caused by single event upsets in CMOS processes”, IEEE Transactions on Dependable and Secure Computing, Vol. 1, pp. 128-143. Mavis, D.G. and ... See full document

... A qualitatively good agreement is found between the experiments and the von Kármán spectrum. The region of constant slope that is equivalent to the -5/3 exponential decay in the inertial subrange of Kolmogorov’s ... See full document

... ABSTRACT: In this work, we present the results of verification of special neutron monitoring equipment for use in aircrew dosimetry inside aircraft. The equipment was precalibrated with conventional neutron sources in a ... See full document

... Recalling the example depicted in Fig. 3, ater the CFE is detected and the control is transferred to FEH_2 (step 1), the F register is matched against the function identiier of the function from where the control ... See full document

... For the inert low case, the simulations using LES good results were obtained for the St, with an error of the order of 3%. he size of the recirculation bubble is close to the size observed experimentally but the margin ... See full document

... REVOLUTE JOINT EXPERIMENT AND COMPARISON The experiment, which is shown in Fig. 2, is set up to evaluate the accuracy of nonconformal model and conformal model in calculating the stiffness of revolute joint. The joint ... See full document

... AstroFlight, Inc., of Venice, California, provided the power plant for the Gossamer Penguin, an Astro Cobalt 40 electric motor. h is engine was designed to run at between 10,000 and 15,000 rpm, but the 11-t diameter ... See full document

... Research in Space Program is a great road for reining our thinking paradigm to develop management skills for conducting scientiic and technological activities aligned with our dreams, [r] ... See full document