38 results for “Effective dynamics”

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Research ArticleOpen accessIn the abstractStudy of Seven-Lump Kinetic Model in the Fluid Catalytic Cracking UnitMehran Heydari, Habib AleEbrahim, Bahram DabirProblem statement: The effective simulation of the Fluid Catalytic Cracking (FCC) operation requires a good understanding of many factors such as, reaction kinetic, fluid dynamics and feed and catalyst effects. Approach: In this model the reactor has been considered as an isothermal riser. The reactions in the riser occur with the fluid and the solids in ideal plug flow. Because … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 7,607 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA Novel Approach for Cooling Electronics Using a Combined Heat Pipe and Thermoelectric ModuleBanjerd Saengchandr, Nitin V. AfzulpurkarThe development of effective cooling systems for microprocessors, specifically for CPU and other computer chips, is greatly important due to growth of high speed performance chips, which operate at elevated heat rates. The same issues apply for adjacent units including RAM and HDD also contributing to overall generation of heat inside computer. Problem statement: Conventional cooling system for desktop PC … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,366 accessesView PDF Cite

Research ArticleOpen accessIn the abstractNumerical Study on the Performance Characteristics of Hydrogen Fueled Port Injection Internal Combustion EngineRosli A. Bakar, Mohammed K. Mohammed, M. M. RahmanThis study was focused on the engine performance of single cylinder hydrogen fueled port injection internal combustion engine. GT-Power was utilized to develop the model for port injection engine. One dimensional gas dynamics was represented the flow and heat transfer in the components of the engine model. The governing equations were introduced first, followed by the performance parameters and model … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 2 · 30 Jun 2009 · 8,140 accessesView PDF Cite

Research ArticleOpen accessIn the abstractThe Effect of Banks Merger on Electronic Banking Services CompetencyAhmad Zakaria SiamProblem statement: This study is conducted to present benefits and consequences of latest technology used in banking industries. In addition, it has focused on the dynamics of banking sector, electronic banking services and new courses especially with mergers that constitute most of these mechanisms. Approach: The study discussed this new activity and the extent of response level of services while … …Journal of Social Sciences, Vol. 5, Issue 1 · 31 Mar 2009 · 7,648 accessesView PDF Cite

Research ArticleOpen accessIn the abstractSexual Risk Intervention In Multiethnic Drug And Alcohol UsersDeborah L. Jones, Stephen M. Weiss, Ndashi Chitalu et al.An estimated 38.6 million persons globally are living with HIV, of whom over 1.1 million reside in Zambia. Of the 2 million cases in the US, 64% of new cases among women are among African Americans. Alcohol and drug use represents a significant risk factor for HIV transmission among both Zambians and African Americans. In addition, gender dynamics in both … …American Journal of Infectious Diseases, Vol. 3, Issue 4 · 31 Dec 2007 · 7,108 accessesView PDF Cite

Review ArticleOpen accessAll words, across the recordFusarium Wilt of Banana: Challenges and ResilienceShanta Adhikary, Mridula Rahman, Mrinmoy Kundu et al.Banana, as the world's most consumed fruits, are an essential staple crop for nearly 400 million people, boasting a plethora of nutrients crucial for digestive health, gut microbiome balance, and post-exercise recovery. Despite their nutritional significance, the emergence of Fusarium wilt, caused by Fusarium oxysporum f.sp. cubense (Foc), threatens banana cultivation worldwide. This soil-borne fungus exhibits polycyclic behavior, persisting in … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 6 Jul 2024 · 6,547 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordFault Tolerant Control Using Proportional-Integral-Derivative Controller Tuned by Genetic AlgorithmS. Kanthalakshmi, V. ManikandanProblem statement: The growing demand for reliability, maintainability and survivability in industrial processes has drawn significant research in fault detection and fault tolerant control domain. A fault is usually defined as an unexpected change in a system, such as component malfunction and variations in operating condition, which tends to degrade the overall system performance. The purpose of fault detection is … …Journal of Computer Science, Vol. 7, Issue 8 · 15 Jul 2011 · 6,479 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordEvaluation of a Dual-Purpose Chemical Applicator for Paddy FieldsMohammed Shu’aibu Abubakar, Desa Ahmad, Othman Jamarei et al.Problem statement: One of the major problems of rice production is the shortage of labor resulting from migration from rural to urban areas, making it very difficult to meet peak demands for paddy production. In most developing countries of Southeast Asia, agricultural mechanization of paddy field operation is mostly carried out using conventional machines. For example in rice production powerintensive … …American Journal of Applied Sciences, Vol. 8, Issue 4 · 18 Apr 2011 · 7,542 accessesView PDF Cite