Volume 19 Issue 5
Published: 2025-06-25
Contents
Article
Heat Transfer in a Square Porous Cavity With Partial Heating and Cooling for Opposite Vertical Walls
Muyassar E. Ismaeel,
AbstractNumerical study has been conducted to investigate natural convection heat transfer in a square porous cavity with partial active vertical walls. The left vertical side wall is partially...
DOI: 10.33899/rengj.2011.26756
Design Chart of Concrete Containing Recycled Coarse Aggregate
Nuha H. Aljubory Lecturer, Ashtar S. Al-Luhybi,
The re-use of the demolished parts of buildings is considered as an important factor of conserving natural sources and minimizing its consumption, this may be taken as a good development pattern,...
DOI: 10.33899/rengj.2011.26618
DSP Based Adjustable Closed-Loop DC Motor Speed Control System
R. S. Gargees, A.K. Z. Mansoor, R. A. Khalil,
AbstractThis paper deals with real time DC motor speed control, using the low-cost new generation TMS320LF2812 digital signal processor (DSP). An optimal control algorithm which can be realized...
DOI: 10.33899/rengj.2011.26749
Performance Study of the Single and Double Stages Anaerobic Biological Filters in Treating Domestic Greywater
Dr. Kossay K. Al-Ahmady, Nadia A. Al-Rhmany,
AbstractIn this paper, a laboratory plant was constructed and operated in order to assess the effect of stages; detention times and depth of filter on the performance of the upflow anaerobic...
DOI: 10.33899/rengj.2011.26619
Investigation of distance effect on Gaussian Mixture Models in Speaker Identification
Nada A. GH. Shindala,
AbstractThis paper investigate the effect of distance on the Gaussian Mixture Models (GMM) for text dependent speaker identification. Three stages are used for three different distances from the...
DOI: 10.33899/rengj.2011.26747
Some Engineering Characteristics of Lime-Treated Soil of Semeel Region With Emphasis on Compaction Delay
Dr.Rafi M.S. Al-Neaimi, Haval Ahmad Hussain
ABSTRACTThis research presents a laboratory study on the influence of different compactive efforts, curing and soaking periods at no-delayed and up to 4-hrs compaction delay periods on compaction,...
DOI: 10.33899/rengj.2011.26742
Post Occupancy Evaluation of Day lighting in Lecture Halls at the New Buildings in the University Of Mosul (College Of Electronic Engineering as a Case Study)
Ahmed A. Alfakhry,
AbstractThe University of Mosul has recently witnessed a construction of several departments, administrative buildings and lecture halls which may suffer after occupation some environmental or...
DOI: 10.33899/rengj.2011.26621
The Employment of Geometry in Creating Architectural Ideas in Twenties Revivalism Trend of the 20th Century
Shatha Yacoub Al-Sheikh,
AbstractGeometry is presented as one of the concepts which has been employed as a design tool for creating architectural ideas in the design process throughout architectural history, as well as...
DOI: 10.33899/rengj.2011.26622
The Effect of Plastomers Polymer Type and Concentration on Asphalt and Moisture Damage of SMA Mixtures
Tan Yi-qiu, Al-Hadidy AI,
ABSTRACTIn this investigation, two plastomers polymer types namely: polyethylene (PE) and polypropylene (PP) were used to modify asphalt cement. Nine different blends including conventional mixture...
DOI: 10.33899/rengj.2011.26740
Depth Buffer DDA Based on FPGA
Fakhrulddin Hamid Ali,
AbstractThe Digital Differential Analyzer (DDA) is normally used to efficiently compute the pixels (picture elements) for a straight line segment which can be used to represent it in a frame buffer...
DOI: 10.33899/rengj.2011.26743
Artificial Intelligentt Method for Tuning the Output Scaling Factor of a Fuzzy Controller
Fakhrulddin H. Ali, Mohammed M. Hussein, Sinan M.B. Ismael,
AbstractScaling factor tuning is one of the most used method to enhance the performance of a fuzzy controller. This paper presents two intelligent tuning strategies to tune this factor. In the...
DOI: 10.33899/rengj.2011.26745
Design of Wideband Radio Direction Finder Based On Amplitude Comparison
Khalil Ibrahim Ali Al-Sharabi, Duraid Fiz, a Mohammad
AbstractThe design of the present radio direction finder is based on amplitude comparison to find the angle of arrival (AOA) of the received signal by eight antennas circularly distributed. The...
DOI: 10.33899/rengj.2011.26752
Water Distribution Uniformity In The root Zone
Haqqi I. Yasin,
ABSTRACTThe performance of irrigation systems can be evaluated by criteria which show the efficient use of on-farm water distribution. The different distribution of infiltration depths in the soil...
DOI: 10.33899/rengj.2011.26620
Experimental study of thermal performance for evaporative cooling tower by using two different packing
Ahmed Fouad Mahmood AL-Neama,
This paper presents an experimental investigation of the thermal performances of a forced draft counter flow wet cooling tower by using two filled , the first one is made locally from the...
DOI: 10.33899/rengj.2011.26624
Crest Shape Effect on the Performance of Rectangular Side Weirs
Dr. Bahzad M.A. Noori, Mrs. Rondik Adil Jaafar,
AbstractTo study the effect of crest shape on the performance of rectangular side weirs, one hundred and four side weir models were tested, eight of them were for sharp crest and ninety six for...
DOI: 10.33899/rengj.2011.26754
