Volume 21 Issue 2
Published: 2025-06-25
Contents
Article
Pressure effect on wetting pattern in layered soil for subsurface point source
- -,
AbstractLaboratory experiments were carried out to investigate the effect of operating pressure on wetting pattern in layered soil for subsurface point water source. This study helps to determine a...
DOI: 10.33899/rengj.2013.72799
Comparison between a Heat Pipe and a Thermosyphon Performance with Variable Evaporator Length_ENG
Dr. Hussain H. Ahmad, Anwar A. Yousif,
AbstractHeat pipes and two phase thermosyphons are heat transfer devices whose operating principles are based on the evaporation/condensation of a working fluid using the capillary pumping forces...
DOI: 10.33899/rengj.2013.72814
Urban micro-climate in the City of Mosul, Iraq (The Effect of Urban Space Characters on Air Temperature) _ENG
Turki Hassan Ali, Bahjat Rashad Shaheen,
AbstractThe proportion of the world's population living in urban areas is constantly increasing. Different urban shapes result different micro-climates. The way cities are planned and build is...
DOI: 10.33899/rengj.2013.72861
Performance and Heat Transfer Characteristics in Loop Thermosyphon (An Experimental Study)
Dr. Hussain H. Ahmad, Hareth M. Abd,
A Loop Thermosyphon has been designed, fabricated and tested to investigate the heat transfer characteristics by two-phase natural convection. The rig was made from copper tubes connected with each...
DOI: 10.33899/rengj.2013.72803
The effect of circular holes on the natural frequencies of a beam using transverse vibration measurements method _ENG
Tariq Khalid Abdilrazzaq,
AbstractDefects influence in a negative way the service life of the structures. Thus, defect detection has been a considerable effort in order to eliminate this effect . In this study, the...
DOI: 10.33899/rengj.2013.72817
Mechanical Properties of High Strength Steel Fiber Reinforced Concrete
Dr. salim T. Yousif, hisaan Shams-aldeen,
Abstract In this research, five concrete mixes were prepared, made samples for compressive, Splitting, bending and modulus of elasticity test have been use five of silica fume percentages and three...
DOI: 10.33899/rengj.2013.72717
Assessment of Uplink Time Difference Of Arrival (U-TDOA) Position Location Method in Urban Area and Highway in Mosul City_ENG
Yehia R. Hamdy, Dr. Sami A. Mawjoud,
AbstractThe aim of this paper is the assessment of the performance of U-TDOA Position Location (PL) method on a UMTS cellular system in Mosul city, Iraq. The study area is a (33 km) which covers...
DOI: 10.33899/rengj.2013.72854
Behavior Of Composite Beams (Steel-Concrete) Strengthened By (CFRP) Sheets Under Repeated Loading
Dr. Bayar J. Al-Sulayfani, Islam Abd-Ullah Aziz,
Present study aims mainly to conduct the behavior of composite beams strengthened with carbon fiber reinforced polymers (CFRP) as they subjected to repeated loads. It investigates the enhancement...
DOI: 10.33899/rengj.2013.72723
Gross Irrigation Water Requirement for Durum Wheat Crop (Sham 3) At Mosul Area In Season 2009/2010
Ahmed Azhor Thanoon,
AbstractThis study aims to determine the gross irrigation water requirement GIWR for durum wheat crop (Sham3) using climate , crop, and soil in Mosul area .The experiment was carried out in the...
DOI: 10.33899/rengj.2013.72800
Modulus of Rupture of Fully and Partially Reinforced Concrete Beams With Polypropylene Fibers
Samer Sami Majeed,
Abstract: -In this research an experimental study was conducted to explore some mechanical properties such as compressive strength and splitting tensile strength and modulus of elasticity of...
DOI: 10.33899/rengj.2013.72714
The effect of using Non-Uniform Blank Holder Force in Deep Drawing process on the thickness distribution along the cup_ENG
Alaa Dahaam Younis,
AbstractIn this paper, a new concept of blank holder in deep drawing is presented. The aim of this study is to predict the wrinkling and thinning (necking) failure through the study of the effect...
DOI: 10.33899/rengj.2013.72818
The impact of design concepts on thinking performance in urban design studio
Dr. E. H. Alallaf, H. H. Alsoofe, Dr. N.T. Alkymakchy,
Design concepts play a crucial role in guiding the mental action during the design task, because they represent the media which support the design goals and strategy, these concepts are vary...
DOI: 10.33899/rengj.2013.72808
Effect of Some Variables in Heat of Hydration in concrete
Z. M. Sh. Ibrahim, Prof. Dr. Kh. A. Zakaria,
In this research, the effects of some parameters on the heat of hydration for two concrete mixes have been studied. The mixes are with and without 15% micro silica as a cement weight replacement...
DOI: 10.33899/rengj.2013.72710
Optimal Neuro-Fuzzy D.C. Motor Speed Control
Assist lecture. Hameed A, Assist lecture. Hameed A,
AbstractThis work deals with investigating of d.c. motor speed controlled by a buck-boost converter. Open loop system is tested. Aneuro-Fuzzy controller with random number and type of membership...
DOI: 10.33899/rengj.2013.72801
UWB MB-OFDM 4-Parallel Radix2 FFT Performance Analysis_ ENG
Dr. M. J. Mohammed, B. M. Ahmad, Dr. K. M. Quboa,
AbstractThe Ultra Wide-Band Multi Band-Orthogonal Frequency Division Multiplexing (UWBMB-OFDM) systemis a low power ( 41.3 dBm/MHz); short-range (less than 10 m); high speed (53.3 - 480 Mbps)...
DOI: 10.33899/rengj.2013.72851
FlexuralStrength of Reinforced Concrete Slabs Strengthened and Repaired by High StrengthFerrocement at Tension Zone_ENG
Mohammed N. Mahmood, Hassan SideqThanoon,
AbstractThis paper presents a study of the flexural behavior of strengthened and repaired reinforced concrete slabs by ferrocement. The study includes testing 17 simply supported slabs, which...
DOI: 10.33899/rengj.2013.72859
Design and MultiPlierless Realization of ECG- Based Gaussian Wavelet Filter with Lattice Structures_ENG
Dr. Jassim M. Abdul-Jabbar, Abdulhamed M. Jasim,
AbstractIn this paper, the Gaussian function is selected as a mother wavelet function and utilized in the design of some corresponding filter banks. With a 1st derivation of the Gaussian function,...
DOI: 10.33899/rengj.2013.72855
Performance Evaluation study of Hybrid Generation System (Microhydro + Diesel) in Iraqi Remote Rural Electrification_ENG
Prof.Dr. M. F. AL Kababjie, W. H. Hamdon,
AbstractThis work highlights the benefits and advantages of using Micro Hydro Power Plants (MHPP) in electrification the rural areas, which they are remote from the electric grid and locate beside...
DOI: 10.33899/rengj.2013.72823
