للكاتب : A.M. KOHAIL Mech Eng., Prod. Dept.(R), MTC , Cairo ABSTRACT Laser can cut a wide range of materials including ferrous and nonferrous metals, plastics and ceramics. The process uses an assist gas jet to remove the molten material and/or to react chemically with the material to produce additional thermal energy. The development that have taken place relative to …

للكاتبين : Mehmet Savsar1, Ashraf S. Youssef2 1College of Engineering and Petroleum, Kuwait University 2Faculty of Engineering Fayoum University, Fayoum, Egypt ABSTRACT Efficiency of serial production flow lines is severely affected by equipment unreliability, particularly if the stages of production are rigidly linked and sufficient storage spaces are not provided. However, excessive storage space increases the initial system costs as …

للكاتبين : Wael M. Elwan, Ahmed F. Abdel Gawad, Salem S. Abdel Aziz and Hesham E. Abdel Hameed Mechanical Power Eng. Dept., Faculty of Eng., Zagazig University, Zagazig 44519, Egypt ABSTRACT In the present work, a CFD model was developed to predict the flow characteristics around four different models of uncommon tall buildings. These models simulate typical actual famous tall …

 للكاتبين : M.R. Ramadan§, A. Assar ¶, M.A.S. Mohamed § , and H.A. Risha¶ §Arab Academy for Science & Technology, Alexandria, Egypt ¶ Engineering Faculty, Tanta University, Egypt. ABSTRACT An industrial product is conventionally considered safe as long as its failure effects are unlikely to endanger solely man life and his properties. FMEA (Failure Modes and Effects Analysis) is an …

 للكاتبين : R. M. Abd El-Maksoud and N. N. Bayomi Faculty of Eng. Mataria, Helwan University,Cairo, EGYPT ABSTRACT The present paper introduces a new power assist and separate shaft turbocharger system. Such system is configured as the compressor attached to an electric motor while the turbine is connected to a generator through a clutch. The compressor shaft is connected to …

للكاتبين : S.E.H. EL-Gemae1, L.A. Abdel-Latif2, S.A.A. Sayedb, A.A. Abdel-Alhady2, and H.E.M. Sallam3 1Mechanical Engineering Department, Al Azhar University, Cairo, Egypt 2Mechanical Design Department, Mataria, Helwan University, Cairo, Egypt. 3Materials Engineering Department, Zagazig University, Zagazig, Egypt ABSTRACT Two dimension elastic-plastic finite element model was used to study the initiation and growth behavior of crack emanating from elliptical notch containing small …

للكاتب : Amerah.A.Amrah Mechanical Design and Production Department, Faculty of Engineering, Zagazig University Zagazig, Egypt ABSTRACT The aim of this study is to investigate experimentally the effect of increasing rotational speed on the weld joint strength of an equal diameters of AISI 304l alloy steel. . Friction welding was conducted using three rotational speeds; 800,1000 and 1200. Friction pressure, forging …

للكاتب : Tripoli- Libya Muhsin M. Hamdoon Aljubori and Mohamed Khalifa. Al-Taleb Department of Mechanical and Industrial Engineering, Faculty of Engineering University of Alfateh ABSTRACT The two known methods of solution of velocity are the analytical and graphical methods, and the last one is consists of the relative velocity method and the instantaneous center method.. The construction of velocity diagram …

للكاتب : NASSER M. A. Yanbu Industrial College (YIC), Royal Commission for Jubail and Yanbu, P.O. Box 30426 Madinat Yanbu Al Sinaiyah, KSA. Production Engineering & Mechanical Design Department, Faculty of Engineering, Menoufia University, Shebin El Kom, Egypt. ABSTRACT This paper aims to introduce a new adaptive design of vibration control systems. A Tunable Stiffness Damper (TSD), stepper motor moving …

للكاتبين : N. Bennecib(1), R. Abdessemed(2), S. Drid(2) (1) Université de Constantine Route d’Ain El Bey 25000 ALGÉRIE (2)Université de Batna Route chahid boukhlouf 05000ALGÉRIE Abstract The authors present a review of some physical and mathematical models that are currently used in the electromagnetic pumps for representing the behaviour of electrically conducting flows subject to the electromagnetic fields. Starting from …