Review ArticleOpen accessIn the abstractSome Aspects Related to DronesRelly Victoria Virgil PetrescuDrones developed very quickly and today have come to conquer airspace even more than conventional aviation. Whether they are unmanned or with a crew, whether they are on autopilot, usually remotely coordinated, or remote-controlled or even manned, drones in their diversity today have taken on a very large scale and they will surely develop rapidly and further, being the ones … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 23 Sep 2020 · 7,110 accessesView PDFCite
Research ArticleOpen accessIn the abstractNumerical Study of Post-Buckling of Clamped-Pinned Pipe Carrying Fluid Under Different ParametersDahmane Mouloud, Samir Zahaf, Mawhoub Soubih et al.This research aims to calculate the first three natural frequencies and critical velocity of a fluid-conveying pipe are obtained with numerical approach with standard finite element method and this by discretizing the structure wall and internal flow, starting from beam type with two degrees of freedom per node. The determination is done to the vibrational equation from the fluid-structure coupling … …Current Research in Bioinformatics, Vol. 9, Issue 1 · 21 Sep 2020 · 12,076 accessesView PDFCite
Review ArticleOpen accessIn the abstractFishing for “16 Psyche”Relly Victoria Virgil Petrescu16 Psyche is one of the most massive asteroids in the asteroid belt. This object has a diameter of over 200 km and contains about 1% of the mass of the entire asteroid belt. It is believed to be the exposed iron core of a protoplanet and is the most massive metallic M-type asteroid. It was discovered by the Italian … …Journal of Aircraft and Spacecraft Technology, Vol. 4, Issue 1 · 10 Sep 2020 · 8,369 accessesView PDFCite
Research ArticleOpen accessIn the abstractKinematic and Dynamic Analysis of a Classic, Three-Axis Manual Gearbox, Without a Direct SocketRelly Victoria Virgil Petrescu, Florian Ion Tiberiu PetrescuFixed axis mechanical transmissions today have the largest spread on the entire planet, being practically used in almost all areas. From the gearboxes of the vehicles to the stationary reducers, used in the electrical, electronic and electro technical equipment, in the heavy industry but also in the light industry, in energy and in transport, practically the transmissions with fixed axes … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 2 · 24 May 2020 · 7,673 accessesView PDFCite
Research ArticleOpen accessIn the abstractPresentation of Four-stroke Engine Design ElementsRelly Victoria Virgil PetrescuHaving escaped the shadow of the global energy crisis by implementing nuclear fission, wind, solar, bioenergy, but also by producing and extracting (deep) gases capable of providing us with planetary reserves for two more. Or at least three thousand years, we have started to relax more energetically, but due to the huge pollution produced by cars, the rules of their … …Journal of Mechatronics and Robotics, Vol. 4, Issue 1 · 28 Apr 2020 · 6,950 accessesView PDFCite
Special issueAerospace EngineeringAmerican Journal of Engineering and Applied Sciences · 11 Jan 2020
Research ArticleOpen accessIn the abstractStructure of a Photovoltaic Electric LocomotiveFlorian Ion Tiberiu PetrescuThe paper proposes to start studies at the global level for the implementation of photovoltaic electric locomotives. The question the author asks is why such trains have not been implemented so far, is there no interest in such a thing? This may avoid the current rush to implement 5G technologies in an already extremely dangerous form for humanity, the rush … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 4 · 16 Nov 2019 · 7,191 accessesView PDFCite
Review ArticleOpen accessIn the abstractChandrayaan-2: India’s Second Lunar Exploration MissionSantosh KosambeThe Moon has always been the center of attention for mankind, more than any other heavenly body in the night sky. With the early history of the solar system etched on it, the Moon challenges mankind from time immemorial to discover its secrets and admire its marvels. Understanding the Moon will provide us a pathway to unravel the early evolution … …Journal of Aircraft and Spacecraft Technology, Vol. 3, Issue 1 · 2 Nov 2019 · 9,542 accessesView PDFCite
Review ArticleOpen accessIn the abstractThe Energy of the Sea Must Begin to be Massively ExtractedNicolae Petrescu, Florian Ion Tiberiu PetrescuThe present paper is intended to be a plea for the extraction of energy from the seas and oceans because this energy is very large quantity from an objective point of view and in addition it is clean, renewable and sustainable, friendly and totally non-dangerous, being a very high energy which it is permanently lost, energy from which if we … …Energy Research Journal, Vol. 10, Issue 1 · 21 Oct 2019 · 6,971 accessesView PDFCite