113 results for “fixed effect”

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Research ArticleOpen accessAll words, across the recordConceptual Design, Analysis and Construction of a Fixed-Wing Unmanned Arial Vehicle for Oil and Gas Pipeline SurveillanceAliyu Bhar Kisabo, Charles Attah Osheku, Sholiyi Olusegun SamuelOil and Gas Pipelines consists of pipes, compressors and pumps. These are frequently located in environments that are difficult to monitor and secure (e.g., creeks and remote areas). Attacks or damage to such installations can lead to enormous ecological impact and loss of revenue. Developing and implementing monitoring systems that can continuously assess the state and condition of oil and … …Journal of Aircraft and Spacecraft Technology, Vol. 1, Issue 1 · 1 Jun 2017 · 10,532 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordSynthesis of Zeolite A from By-Product of Aluminum Etching Process: Effects of Reaction Temperature and Reaction Time on Pore VolumeKanokorn Hussar, Sombat Teekasap, Nisakorn SomsukProblem statement: Increasing of the carbon dioxide (CO2) concentration in the atmosphere creates a global warming. Zeolite is used as CO2 absorbent. Approach: By-products from aluminum etching process, which carry a large amount of Al2O3 content, are useable as raw materials for synthesis zeolites type A using hydrogel process. A pore volume of zeolites is the key to achieve high … …American Journal of Environmental Sciences, Vol. 7, Issue 1 · 28 Feb 2011 · 7,836 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordInvestigation of Lignite and Firewood Co-combustion in a Furnace for Tobacco Curing ApplicationNakorn Tippayawong, Chutchawan Tantakitti, Satis ThavornunCo-combustion of lignite and firewood was investigated for an application in tobacco curing industry in Northern Thailand. Extensive experiments have been carried out in a newly developed furnace suitable for small curing unit, in place of locally made furnace. The aim of this investigation is to evaluate the performance of the combustion chamber in the required thermal output range for … …American Journal of Applied Sciences, Vol. 3, Issue 3 · 31 Mar 2006 · 6,901 accessesView PDF Cite