Volume 19 Issue 6
Published: 2025-06-25
Contents
Article
Nonlinear Coupled Finite Element Analysis of A Dam-Reserviour Under Dynamic Loading
Dr. O. F. S. Al-Damluji, Dr.A. Y. Th. Al-Saaty, Dr.R. M. Al-Nuaimi
ABSTRACTThis research presents a nonlinear coupled analysis of a dam-reserviour problem with aspects of class I coupling for fluid-structure interaction and class II coupling for soil-pore...
DOI: 10.33899/rengj.2011.26613
ANN Model for Predicting Ultimate Shear Strength of Reinforced Concrete Corbels
Abdalkader A. Mohammed, Dr. Salim T. Yousif
ABSTRACTThe artificial neural network (ANN) model was developed using previous experimental data on Reinforced concrete (RC) corbels to simulate the behavior of RC corbels. The neural network model...
DOI: 10.33899/rengj.2011.26615
AC Current Harmonics Reduction& improve the power factor for Single Phase controlled Rectifiers Using Current Injection Method
Aasef. A.Saleh, Basil M.Saied, Hussein I.Zynal
AbstractThe AC electrical distribution system works at limited values of voltage and frequency levels. The increase of using non linear loads and loads those connected by electronic keys produces...
DOI: 10.33899/rengj.2011.26565
Fatigue Behavior of Al – 4wt%Cu / SiCP and Al - 4wt%Cu/ Al2O3P Composites
Salim Aziz Kako
AbstractAluminum copper ( Al 4wt%Cu ) alloy metal matrix composites MMCs reinforced with 0.5 ,1.0 ,1.5 % wt of both SiC and Al2O3 particles were fabricated by stir-casting .The effects of SiC and...
DOI: 10.33899/rengj.2011.26607
Experimental Study into Effect of Developing Section Length on The Heat Transfer Process in a Horizontal Annulus
Dr. Akeel A. Mohammed, Ameer A. Jadoaa
ABSTRACTAn experimental investigation has been presented to study the heat transfer process in thermally developed region of horizontal concentric annulus with an adiabatic inner tube and uniformly...
DOI: 10.33899/rengj.2011.26608
Effect of Ultrasonic Waves on Sedimentation Characteristics and sludge Dewaterability
Ahmed Yassin Shehab
AbstractThis paper studied the effect of ultrasonic waves on sedimentation characteristic of activated sludge and there causes on filamentous growth, as well as its effects on the sludge ability...
DOI: 10.33899/rengj.2011.26569
Microcontroller Based Maximum Power Point Tracking For Photovoltaic Solar Panel
Museeb M. Jasim, Kamil G. Salih, Rasha E. Majed
AbstractMany papers are published in the past and at present time which operate the solar photovoltaic (PV) panel at its maximum power point, by implementing an analogue or digital electronic...
DOI: 10.33899/rengj.2011.26604
Design and FPGA Implementations of Four Orthogonal DWT Filter Banks Using Lattice Structures
Zainab R. S. Al-Omary, Dr. Jassim M. Abdul-Jabbar
AbstractIn this paper, lattice structures for DWT are introduced through the design and FPGA implementations of the orthogonal Daubechies filter banks of orders 2, 4, 6 and 8. Multipliers and...
DOI: 10.33899/rengj.2011.26616
Optimal Power Flow Solution with Maximum Voltage Stability
Dr. Ahmed Nasser B. Alsammak
AbstractThis paper presents an Optimal Power Flow (OPF) formulation that is based on multi-objective optimization methodology, which can minimize both of operating costs and losses and it would at...
DOI: 10.33899/rengj.2011.26606
A Study For Refrigerant's Characteristics to Choose the Optimum For Ejector Refrigeration System
Mohammad S. Al - Dabbagh, Dr. Adnan M. Al Saffawi
AbstractRefrigeration systems needs efficient refrigerant to perform it's determined objective, so, an optimum refrigerant, must have a good and desirable characteristics as compared with other...
DOI: 10.33899/rengj.2011.26568
Theoretical and Experimental Results of Substrate Effects on Microstrip Power Divider Designs
Dr. Asaad M. Jassim Al-Hindawi, Suhair M. Al- Ali
ABSTRACTThe effects of substrate materials on the design of microstrip power divider are investigated theoretically and experimentally. Three different dielectric substrate materials are chosen ;...
DOI: 10.33899/rengj.2011.26603
Best Wavelet Filter for a Wavelet Neural Fricatives Recognition System
Dr. Ahmed Maamoon Alkababji
AbstractDirect recognition of phonemes in speaker independent speech recognition systems still cannot guarantee good enough recognition results. But grouping phonemes at first then trying to...
DOI: 10.33899/rengj.2011.26617
Performance Evaluation of Soft Handover in WCDMA System
S.H. Fasola, S.A. Mawjoud
Abstract In this paper soft handover parameters in WCDMA system are investigated. They include the effect of imperfect power control on the downlink capacity and power assignment to the mobile...
DOI: 10.33899/rengj.2011.26582
Effect of Magnetizing the Fuel on the Performance of an S.I. Engine
Dr. A. R. A. Habbo, Raad A. Khalil, Hassan S. Hammoodi
AbstractThe aim of this study is to investigate the effect of the magnetized fuel on the perfor-mance of spark ignition engine. The engine performance was observed by examining the engine brake...
DOI: 10.33899/rengj.2011.26611
The Effect of Impinging Jet on the Flow and Heat Transfer from Isothermal Moving Plate
Dr. Ahmed Waheed Mustafa
AbstractThe effect of impinging uniform jet on flow and heat transfer over isothermal moving plate is investigated. The flow and temperature fields are studied numerically with different jet...
DOI: 10.33899/rengj.2011.26609
