شبكة التخطيط العمراني بسم الله الرحمن الرحيم
للكاتبين : Jakub Siemek, Rafał Wiśniowski, Stanisław Stryczek Faculty of Drilling, Oil and Gas, AGH-UST Poland, 30-058 Kraków, al. Mickiewicza 30, ABSTRACT Drilling muds used for oil drilling are described with various rheological models (Newtonian, Bingham, Ostwald de Waele, Herschel-Bulkley). The Herschel-Bulkley model (Yield Power Law) which best describes the rheological parameters of drilling fluids needs modifications. Principles of determining …
أكمل القراءة »هندسة المباني
RESERVOIR CHARACTERIZATION OF BAHARIYA FORMATION (MELEIHA FIELD), WESTERN DESERT – EGYPT
للكاتبين : Abdallah Bekhiet, M.Shehata and R.Brunetto Agiba Pet. Co. ABSTRACT Reservoir characterization is gaining more ground as a means for better understanding of rock properties. Characterization combines all available data from seismic, well logs, cores, to describe the petrophysical properties of formations in the wells. Geostatistical techniques then used to distribute these properties spatially in the three dimensions. This …
أكمل القراءة »Statistical Evaluation of Some Models to Estimate Instantaneous Total Insolation on Horizontal Surfaces within Suez Gulf Region
للكاتبين : A. S. Nafeya,*, M. A. Mohamadb, M. A. Sharafa a Dept. of Engineering Science, Faculty of Petroleum and Mining Engineering, Suez Canal Univ, Suez-Egypt. b Energy Department, National Research Center, Cairo-Egypt. ABSTRACT It is important for many solar energy systems to estimate and predict the instant or daily mean direct and diffuse irradiation on horizontal or tilted surfaces …
أكمل القراءة »MODIFICATION OF THE PITZER MODEL TO CALCULATE ACTIVITY COEFFICIENTS OF SALTS IN WATER-ETHANOL MIXED SOLVENT SOLUTIONS
للكاتبين : N. BOUKHALFA1 and A-H. MÉNIAI2 1Department of Industrial Chemistry. University of Biskra, Algeria. 2Department of Industrial Chemistry. University of Constantine, Algeria ABSTRACT The approach tested in this work consists in adapting the Pitzer model, initially designed for aqueous electrolytes solutions, to the case of solutions with a mixed solvent. This modified model was applied successfully to correlate the …
أكمل القراءة »TRANSPARENT GARDEN A STUDY ON TRANSPARENT ELEMENTS OF LANDSCAPE
للكاتب : Germin Farouk El-Gohary Faculty of Engineering , Ain Shams University , Cairo , Egypt ABSTRACT transparency has been always a sign of purity, a symbol of air, water and magic. No one can bear the magical beauty of landscape environments, which are created with many landscape and urban design elements. Water has been the most significant and powerful …
أكمل القراءة »التأثير الإيجابي و السلبي على التعليم الهندسي باستخدام التكنولوجيا الحديثة
للكاتب : اسماعيل عامر كلية الهندسة ـ جامعة الأزهر ـ القاهرة ـ مصر مقدمة :"الان أصبح العالم الآن في قرية واحدة " ،هذا التعبير الذي يطلق كناية عن سرعة وسهولة الاتصال من مكان لأخر فيالعالم مهما بعدت المسافة بينهم .التكنولوجيا الحديثة وتطوراتها السريعة هي التي أعطت المميزات في مجال الاتصال وتداول المعلومات خاصة عنطريق شبكة الانترنت حيث أن من الإمكان …
أكمل القراءة »MULTI-LEVEL NETWORKS ADMINISTRATOR
للكاتبين : Nasser H-Ali , Ashor Alsellami , Ali-Alburawi Computer Engineering Department – Faculty of Eng-Al-fateh University ABSTRACT One of the main tasks of computer networks is network management by remote programs Almost remote options in common remote programs will be implement in one program named Tree Remote Administrator "TRA", which has unique Additional option multi-level management. TRA "Tree Remote …
أكمل القراءة »HANDWRITTEN IDENTIFICATION TECHNIQUE BASED ON WAVELET TRANSFORM
للكاتبين : Ali Hadi Hussein1, Ashor Al Sellami2 1High Vocational Comperhensive Institute Bengashier Tripoli – Libya 2Faculty of Engineering -Al Fateh University -Tripoli – Libya ABSTRACT In this work, a system that has the ability to recognize and identify persons from their handwriting is designed. Wavelet transform algorithm was utilized to analyze the individual characters of certain person's writing. Complex …
أكمل القراءة »AUTO-THERMAL AMMONIA SYNTHESIS REACTOR DESIGN OPTIMIZATION USING SIMULATED ANNEALING TECHNIQUE
للكاتبين : Mostafa A. khalik1, M Sherif, S Saraya, F Areed2 1 Mubarak City for Scientific Research and Technology Applications 2 Computers & Systems Dept, Faculty of Engineering, Mansoura University ABSTRACT: Simulation of an auto-thermal ammonia synthesis reactor is our task in this paper. We are interested mainly in determining the length of the reactor which has a great impact …
أكمل القراءة »ADAPTIVE CACHE INVALIDATION REPORT ALGORITHM BASED ON ADAPTIVE WINDOW(AIRA-AW) FOR CONNECTION AND RECONNECTION PERIODS IN MOBILE ENVIRONMENT
للكاتبين : Ali I. El-Desouky, Hesham A. Ali, Engy A. El-Shafaiy Computers and Systems Department, Faculty of Engineering, Mansoura University, Egypt ABSTRACT The basic cache consistency strategy is the use of periodic invalidation reports (IRs) broadcast by the server. Recently, the addition of updated invalidation reports (UIR) has been proposed. The IR+UIR scheme achieves a much shorter query delay than …
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