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679 results for “Gas”
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Research ArticleOpen accessEvery word in the titleModelling and Assessment of Effect of Operation Parameters on Gas Turbine Power Plant Performance using First and Second Laws of ThermodynamicsSunday Olayinka Oyedepo, Richard Olayiwola Fagbenle, Samuel Sunday AdefilaIn this study, modelling of gas turbine engine performance is carried out using thermodynamics relations. The model reveals that the influence of operation parameters such as compression ratio, turbine inlet temperature and ambient temperature has significant effect on the performance of gas turbine engine. Energy and exergy analyses were conducted to evaluate the performance of the selected power plant and … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 2 · 3 May 2017 · 7,920 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGas Atomization of Molten Metal: Part II. ApplicationsTaher M. Abu-Lebdeh, Genaro Pérez-de León, Sameer A. Hamoush et al.A numerical model was derived to obtain results for two alloys during the Gas Atomization (GA) method. The model equations and governing equations were implemented through the application of part I data. Aspects such as heat transfer, fluid mechanics, thermodynamics and law of motions were taken into account for the formulation of equations that take gas dynamics, droplet dynamics and … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 2 · 19 Apr 2016 · 8,359 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGas Atomization of Molten Metal: Part I. Numerical Modeling ConceptionGenaro Pérez-de León, Vincent E. Lamberti, Roland D. Seals et al.This numerical analysis study entails creating and assessing a model that is capable of simulating molten metal droplets and the production of metal powder during the Gas Atomization (GA) method. The essential goal of this research aims to gather more information on simulating the process of creating metal powder. The model structure and perspective was built through the application of … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 2 · 10 Apr 2016 · 9,047 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStudy of Properties of a Dispersant Used for Extracting Oil with High Gas-Oil RatioVladimir Verbitsky, Aleksey Dengaev, Oleg Zubkov, Dmitry KoshkinThe article presents the bench test results for a dispersant manufactured by Izhnefteplast Company, which specializes in batch production of unique submersible pumping equipment for oil extraction. The submersible equipment is unique in that the working elements of the pumping equipment are made of polymeric materials unlike the conventional concept of pumping machinery for oil production. The relevance of the … …American Journal of Applied Sciences, Vol. 13, Issue 2 · 24 Feb 2016 · 7,293 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNumerical Simulation of Liquid Bio-Fuel Combustion in an EGR Equipped Micro Gas TurbineMaria Cristina Cameretti, Raffaele Tuccillo, Fabrizio Reale, Renzo PiazzesiThis paper focuses the attention to the possibility of a correct combustion close to the flameless regime, even in the presence of lower calorific value fuels like those that can be found with high concentrations in the bio-mass derived ones. In addition, the authors pay attention to the nitric oxide control by means of an optimal choice of the pilot … …American Journal of Applied Sciences, Vol. 12, Issue 7 · 4 Aug 2015 · 6,715 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAnalysis of the Application of Turbulence Models in the Calculation of Supersonic Gas JetIlina Ekaterina Evgenevna, Ilina Tamara Evgenevna, Bulat Pavel ViktorovichThis article considers the adequacy of the usage of various two-parameter differential turbulence models for the calculation of supersonic non-calculative (overexpanded and underexpanded) gas jet flowing into the environment that have a pressure equal to atmospheric. A brief historical background on the development of methods for calculating turbulent supersonic jet, which contain developed shock wave structures, is given. For each … …American Journal of Applied Sciences, Vol. 11, Issue 11 · 7 Jan 2015 · 7,199 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleReliability and Economic Analysis of a Power Generating System Comprising One Gas and One Steam Turbine with Random InspectionDalip Singh, Gulshan TanejaReliability and economic analysis for a power generating system comprising one gas and one steam turbine has been done wherein the inspection for doing one of the three types of maintenance (Minor, Path or Major) is carried out randomly. Initially, both the units i.e., the gas turbine as well as the steam turbine are operating. On failure of the gas … …Journal of Mathematics and Statistics, Vol. 10, Issue 4 · 1 Jan 2015 · 8,429 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePYROLYSIS OF EMPTY FRUIT BUNCHES: INFLUENCE OF TEMPERATURE ON THE YIELDS AND COMPOSITION OF GASEOUS PRODUCTMohamad Azri Sukiran, Loh Soh Kheang, Nasrin Abu Bakar, Choo Yuen MayWith the increasing concern on fossil fuel depletion and environmental problems, the utilization of renewable biomass resources is expected to play an important role in the future. Biomass can be converted into a variety of fuels and chemicals by different processes; one of which is pyrolysis that has been subjected to extensive research in recent years. In this study, pyrolysis … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 3 Feb 2014 · 7,616 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleQuality Enhancement of Producer Gas From Cassava Rhizome Using High Temperature Air-Steam Downdraft GasificationWorapot Ngamchompoo, Kittichai TriratanasirichaiHigh Temperature Air-Steam Gasification (HTAG) was performed on a bench-scale downdraft gasifier. A cassava rhizome was used as feedstock for the gasification. Air and steam were utilized as the gasifying agents. The objectives in this study were to study the potential of HTAG technology applied with a downdraft gasifier to improve producer gas quality in terms of Higher Heating Value … …American Journal of Applied Sciences, Vol. 10, Issue 4 · 26 Apr 2013 · 6,852 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInfluence of Environmental Risk on the Financial Structure of Oil and Gas ProjectsBagilya Karsybayeva, Alberto De MarcoThe risk profile of a Build-Operate-Transfer (BOT) project affects its debt service ability. In particular, the total risk profile of an oil and gas project is heavily influenced by its environmental risk exposure. However, this risk is often not given a considerable weight in risk analysis, resulting in underestimation of project’s total riskiness and consequent overestimation of the debt capacity. … …American Journal of Applied Sciences, Vol. 10, Issue 1 · 22 Jan 2013 · 7,195 accessesView PDFCite