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105 results for “hole”
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Research ArticleOpen accessEvery word in the titleDesign of Flywheel with a Moving HoleJihad Said AddasiA special apparatus has been designed to study linear, circular, and rotational motions. This apparatus consists of a flywheel, rotating in horizontal plane by the mean of a hanging mass. This flywheel carries a hole, which can be moved on a radial rail. This hole can be fixed at desired distance from the flywheel axis. Putting a metallic sphere on … …American Journal of Applied Sciences, Vol. 2, Issue 1 · 31 Jan 2005 · 6,887 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGravitation Due to Scalar Potentials and Black HolesMark TitlemanThis paper argues that the universe possesses two scalar potentials similar to those proposed by E.T. Whittaker in which waveforms travel longitudinally. It is proposed that these scalar potentials form through black holes, creating normal transverse electromagnetic radiation as well as gravity. This opens up new avenues for understanding the universe and black holes while applying parsimonious explanations to dark … …Physics International, Vol. 11, Issue 1 · 8 Jun 2020 · 9,949 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComputational Simulation of Fuel Nozzle Multi Holes Geometries Effect on Direct Injection Diesel Engine Performance Using GT-POWERRosli Abu Bakar, Semin, Abdul Rahim Ismail, Ismail AliThe computational model simulation development is use the commercial computational fluid dynamics of GT-POWER 6.2 software were specially development for internal combustion engines performance simulation. The research concentrated on one dimensional model and focuses on fuel nozzles multi holes geometries variation developed from all of the engine components size measurement of the original selected diesel engine. All of the measurements … …American Journal of Applied Sciences, Vol. 5, Issue 2 · 28 Feb 2008 · 8,961 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Comprehensive Review and Performance Evaluation of Detection Techniques of Black Hole Attack in MANETNaveen Hemrajani, Sunil Kumar JangirMobile Ad Hoc Network (MANET) is an auto Configuring network. Due to its natural characteristics, a MANET is vulnerable to many security threats. Blackhole attack compromises the performance and the reliability of the network. Since nodes are allowed to move freely within the network, it becomes very important to protect the communication among mobile nodes for the sake of security. … …Journal of Computer Science, Vol. 13, Issue 10 · 18 Oct 2017 · 7,732 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFinite Bounded Expanding Carmelian White Hole Universe Without Dark MatterJohn Gideon HartnettThe solution of Einstein’s field equations in Cosmological General Relativity (CGR), where the Galaxy is at or cosmologically near the center of a finite yet bounded spherically symmetrical isotropic gravitational field, is identical with the unbounded solution. I show that this leads to the conclusion that the Universe may be viewed as a finite expanding white hole. The fact that … …Physics International, Vol. 3, Issue 2 · 7 May 2013 · 6,935 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleElectrical and Optical Properties of N, N`-Bis (Inaphthyl)-N,N`-Diphenyl-1,1`-Biphenyl-4,4`-Diamine as Hole Transport Layer in Organic Light Emitting DevicesM. Y. Lim, W. M.M. Yunus, Z. A. Talib et al.Problem statement: The aim of this research was to study the electrical and optical properties of N, N`-bis(Inaphthyl)-N,N`-diphenyl-1,1`-biphenyl-4,4`-diamine (NPB) organic materials often used as hole transport layer in Organic Light-Emitting Devices (OLED). Approach: The NPB layer was prepared using the thermal evaporation method. From photoluminescence spectra, two peaks at 630 and 480 nm were observed with 55 nm NPB. The … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 9,125 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleKey-Hole Notches in Isostatic Graphite: A Review of Some Recent DataA. Gagani, Relly Victoria V. Petrescu, Florian Ion T. PetrescuFracture of the breakable isostatic graphite is concerned using the experimental and theoretically, the plates containing nicks holes key subject to varying degrees of mixed task. The main purpose of this work is a double one. In the first place, in order to offer a new set of experimental results on fracture of samples of graphite scored, with different values … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 4 · 31 Dec 2016 · 8,012 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDEDICATED TRUSTEE DETECTOR OF BLACK HOLES IN MANETSJ. Manoranjini, A. ChandrasekarMANET is developing the next generation wireless universe. However MANETS prove their performance only when routing is efficient. In this paper we propose a model of Dedicated Trust System (DTS) which aims in detecting the misbehaving nodes. We implement our DTD using zone routing protocol with trusted systems. We finally develop a reputation model with two new parameters trustee and … …Journal of Computer Science, Vol. 10, Issue 9 · 10 Apr 2014 · 6,338 accessesView PDFCite