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Now showing items 1-20 of 115
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Aerodynamic Effects of Blade Positive Sweep in Axial Flow Cascades
(CEST-2018, 2018-09-27)In this work, the effects of sweep applied to rotor of axial flow turbomachines were investigated by means of applying computational fluid dynamics (CFD) tools. Low-aspect-ratio rotors of positive sweep (PSW) have been ... -
Analysis of the Failure of Cylindrical Pressure Vessels
(CEST-2018, 2018-09-27)This study investigates the failure of cylindrical pressure vessels and examines their integrity in the presence of cracks using von-Mises (Distortion Energy) yielding criterion and fracture mechanics methodology. The ... -
Antenna Elevation Control using Multiple Switched Self-Tuning Controllers Design
(CEST-2018, 2018-09-27)Adaptive controllers have a lot of advantages over conventional ones, especially when the model of the plant to be controlled is unknown or changes with time. This paper proposes a control scheme for multiple adaptive ... -
Bandwidth Optimization Through Hybrid Codecs G.711 and G.729 for VoIP Ethernet, FR and MP Networks
(CEST-2018, 2018-09-27)With the rapid growth in both internet and telecommunication technologies, VoIP has become more and more popular and expected to replace the traditional telephony services. The main issues in communication of real time ... -
Boilers Performance Evaluation of Zuara Desalination Plant
(CEST-2018, 2018-09-27)Water is the basis of daily life and industrial development for all communities. Water desalination plants emerged as one of the most important alternatives to overcome the shortage of water resources especially in desertified ... -
Building English Vocabulary Schema and Words Retention using Review Value Calculation for English as Secondary Language Students
(CEST-2018, 2018-09-27)Vocabularies, the core of any language, is probably the most challenging and time consuming part of learning a foreign language in a diverse and disperse community of learners. This study proposes an approach that can help ... -
Built to Code Building Envelop Versus Sustainability of High-Rise Building Performance
(CEST-2018, 2018-09-27)Global warming and climate change are major challenges facing the nation and the world. More than two thirds of the electric energy and one third of the total energy are used to heat, cool, and operate buildings, representing ... -
Capability of Designing a Novel Fluid Damper Using a McKibben Actuator
(CEST-2018, 2018-09-27)Flow fluid between moving parts is providing the damping force. Such characteristic can be utilized to build fluid dampers for a wide variety of vibration control systems. Most previous works have studied the application ... -
Capability of Modified SIFT to Match Stereo Imagery System
(CEST-2018, 2018-09-27)This paper presents an improved version of SIFT method for extracting invariant features from images that can be used to solve the correspondence problem between different views of an object or scene in an image. Scale ... -
CO2 Corrosion Inhibitor Assessment Using Various Measurement Techniques in oilfield
(CEST-2018, 2018-09-27)Tests and evaluation studies were conducted to select the best performance and treating rich carbon dioxide fluid composition associated with crude oil are produced. The experiments include standard electrical resistance ... -
Color Image Encryption in the Spatial Domain Using 3-D Chaotic System
(CEST-2018, 2018-09-27)ABSTRACT Users of Internet daily send and receive many images through social media. These images are vulnerable to hack by attackers. Therefore, it is necessary to develop methods to protect these images against attackers. ... -
Combined Image Encryption and Steganography Algorithm in the Spatial Domain
(CEST-2018, 2018-09-27)In recent years, steganography has emerged as one of the main research areas in information security. Least significant bit (LSB) steganography is one of the fundamental and conventional spatial domain methods, which is ... -
Comparative Analysis of Electric Field and Potential Distributions over Porcelain and Glass Insulators Using Finite Element Method
(CEST-2018, 2018-09-27)This paper investigates the electrical performance of outdoor porcelain and glass insulators when subjected to an 11 kV AC voltage. The insulators are modeled in two dimensions, and the analysis of COMSOL software is used ... -
Control of a Three-phase Off-Grid Inverter for Photovoltaic Systems Applications
(CEST-2018, 2018-09-27)This paper presented a model predictive control (MPC) strategy as used in photovoltaic (PV) systems applications to control a three-phase off-grid inverter. The PVs model was used in this study to investigate the system ... -
Design Methodology for Supply Water Distribution Network; Case Study: Al-Hadeka District, Garaboulli-Libya
(CEST-2018, 2018-09-27)Pipe network is a hydraulic network containing several or many inter-connected branches where fluid (water) flows through it. This paper presents a design methodology for a supply water pipe network for Al-Hadeka district ... -
Design Of Reinforced Concrete Beams Using Two different Specification
(CEST-2018, 2018-09-27)Nowadays, reinforced concrete beams are designed using traditional specification, such as BS8110 and Eurocode2 based on truss action. In this research BS8110 and Eurocode2 specification of designing a beam for flexure ... -
Design of Vertical Pressure Vessel Using ASME Codes
(CEST-2018, 2018-09-27)While preparing this paper many of companies are subjecting to the hazards resulted from the incorrect design and manufacturing of pressure vessels (leakage or Explosion), those used in the storage of dangerous liquids or ... -
Designing and optimizing 10,000 m3/day conventional SWRO desalination plant
(CEST-2018, 2018-09-27)Desalination of seawater has been considered as one of the most promising techniques for supplying a fresh water in Libya. Reverse osmosis (RO) is one of the main technologies for big size desalination plants for the reason ... -
The Effect of Adding Steel Slag and Lime on The Engineering Properties of a Sandy So
(CEST-2018, 2018-09-27)Compaction is the process of mechanically densifying a soil which increase its density to meet engineering requirements. Unstable soils can create significant problems for pavements or structures ,therefore soil stabilization ... -
Effect of Corrugation Geometry And Shape On Energy Absorption of Composite Plate
(CEST-2018, 2018-09-27)It has been observed that there is a considerable interest in recent years regarding materials which have high crushing ability particularly in energy absorption in relation to car and allied industries . An important ...