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686 articles for “Speed”
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Research ArticleOpen accessEvery word in the titleOn Wing Tip Flow Around a Low Aspect Ratio Wing at Low Flight Speeds Using OpenFOAM® and Parallel ProcessingNikolaos Konstantinos Lampropoulos, Ioannis Eleftherios SarrisIn the present study, the effect of the wing tip geometry on the aerodynamic performance of a swept-back wing at moderate Reynolds numbers is investigated through numerical simulation and parallel processing. The aim is the identification of streamlines around the wing and subsequently the formation of the wing tip vortex. Due to the purely three-dimensional character of the flow, the … …Journal of Aircraft and Spacecraft Technology, Vol. 9, Issue 1 · 31 Jan 2025 · 9,549 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDesign a New Bidirectional Transmission Protocol to Improve the Performance of MAC Layer Based on Very High Speed WLANsAli Ahmad Milad, Zul Azri Bin Muhamad Noh, Abdul Samad Shibghatullah et al.This paper presents a new bidirectional transmission protocol with single data frame to computing the performance of MAC layer based on IEEE 802.11n. As high as 600 Mbps of physical data rate is achieved in IEEE 802.11n where high data rate the current MAC layer leads to high performance overhead and low performance of throughput and designing the MAC layer … …Journal of Computer Science, Vol. 11, Issue 5 · 23 Jun 2015 · 6,952 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleMOTIONS STUDY OF A SINGLE CYLINDER HIGH SPEED SPARK IGNITION LINIER ENGINE WITH SPRING SYSTEM AS RETURN CYCLEA. Z.M. Fathallah, Semin, I. M. Ariana, I. GeriantoA single cylinder two stroke spark ignition conventional engine have been modified to linier engine with spring mechanism. Before develop the design of linear engine is necessary to analysis of motion. Although principle of combustion process in combustion chamber is the same in fact the oscillation movement is different. Simulation technique has been adopted to study both linear and conventional … …American Journal of Applied Sciences, Vol. 11, Issue 3 · 17 Jan 2014 · 7,184 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleLow Power Hardware Implementation of High Speed FFT CoreM. Kannan, S. K. SrivatsaApplications based on Fast Fourier Transform (FFT) such as signal and image processing require high computational power. This paper proposes the implementation of radix-4 based parallel-pipelined Fast Fourier Transform processor which incorporates a low power commutator, butter-fly with multiplier-less architecture. The proposed parallel pipelined architectures have the advantages of high throughput and low power consumption. The multiplier-less architecture uses shift … …Journal of Computer Science, Vol. 3, Issue 6 · 30 Jun 2007 · 7,231 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleManaging a High Speed LAN using Distributed Artificial IntelligenceIbrahiem M. M-El-EmaryThis study is concerned with a practical application of distributed artificial intelligence for managing the high data rate bus structured local area computer network that uses deterministic multiple access protocol. In the selected network that is managed using distributed artificial intelligence, the dynamic sharing of the available bandwidth among stations is achieved by forming "train to which each station may … …Journal of Computer Science, Vol. 2, Issue 1 · 31 Jan 2006 · 6,989 accessesView PDFCite
CorrigendumOpen accessEvery word in the titleCorrigendum: Speeds and Accelerations in Direct Kinematics to the MP3R SystemsRelly Victoria Virgil Petrescu, Raffaella Aversa, Antonio Apicella et al.Correction to: Journal of Mechatronics and Robotics http://doi.org/10.3844/10.3844/jmrsp.2017.109.117, published online December 20, 2017; updated April 29, 2019 The original version of this Article contained Mr. MirMilad Mirsayar as a co-author. Mr. Mirsayar has not contributed to the preparation and publication of this manuscript. These errors have now been corrected in the HTML and PDF versions of the Article. http://doi.org/10.3844/10.3844/jmrsp.2017.109.117. …Journal of Mechatronics and Robotics, Vol. 2, Issue 1 · 29 Apr 2019 · 5,979 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDetermination of Draft Force for a 3-bottom Disc Plough Under Sandy Loam Soil ConditionsPaul Okoko, Emmanuel A. AjavThis study was performed to determine the draft force for a 3-bottom disc plough under sandy loam soil conditions. The experiments were conducted using five different tractor speeds (3.6, 5.4, 7.2, 9.0 and 10.8 kilometer per hour(km)) and three tillage depths (10, 20 and 30 centimeter(cm)) with a view to determine the actual implement speed at the different tillage depths. … …American Journal of Agricultural and Biological Sciences, Vol. 15, Issue 1 · 15 May 2020 · 7,390 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Appropriate Use of Wind Energy in Sistan Region to Generate ElectricitySara Abdollahi, Meysam Madadi, Soleyman Ghorbanzadeh et al.Sistan (Zabol) region is located in Sistan and Baluchestan province and in southeastern part of Iran. The specific atmospheric condition of this region, especially high-speed and continuous winds, can provide the necessary condition for Electricity generation from wind power. 120-day winds of Sistan region are one of the renewable energy sources in the province, which has been neglected in recent … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 2 · 6 May 2020 · 6,827 accessesView PDFCite
Research ArticleOpen accessIn the keywordsExplosion of the Light: Alliance of the Planck and Mach and Einstein-Riemannian PhysicsMohsen LutephyOn the evident tripartite equivalency of the light speed and time and distance as a natural paradigm introduced here it is deduced the natural metric tensor of the universe via Mach's mechanics (metric fully governed by measurable universe) included to the fully variable light speed and fully variable gravitational G accompanied with Planckian quantum gravity in natural quantization of the … …Physics International, Vol. 10, Issue 1 · 6 Dec 2019 · 8,137 accessesView PDFCite
Review ArticleOpen accessIn the keywordsProject HARPRelly Victoria Petrescu, Raffaella Aversa, Bilal Akash et al.The HARP project, abbreviated from the High Altitude Project, was considered a joint project of the United States Department of Defense and Canada's Department of Defense, originally designed to study low-cost re-entry vehicles. Generally, such projects used rocket launchers to launch missiles, costly and often inefficient. The HARP project used a non-rocket space launch method based on a very large … …Journal of Aircraft and Spacecraft Technology, Vol. 1, Issue 4 · 7 Nov 2017 · 19,808 accessesView PDFCite