Volume 14 Issue 4
Published: 2025-06-25
Contents
Article
Variation of Cations Concentration in Tigris River within Mosul City
Musa`b A. Al-Tamir, Mazin N. Al-Sanjari, Muhammed A. Saa`d,
The study concentrates on evaluation of cations concentration in Tigris river within Mosul city. Many samples had been taken from the river during Sept (2000) to Jun (2001), The study revealed that...
DOI: 10.33899/rengj.2006.45373
A Mobile Device For Flow Measurement In Canals
Shamel I. Al-Kadhi,
AbstractThe flow pattern resulting from a circular flume immersed in a rectangular channel is investigated. The circular flume consists of two PVC pipes. The larger diameter pipe is laid...
DOI: 10.33899/rengj.2006.45359
Fractal Image CompressionَQuad-tree
Dr. Fakhiraldeen H. Ali, Azzam E. Mahmood,
AbstractThe demand for images, video sequences and computer animation has increased drastically over the years. This has resulted in image and video compression becoming an important issue in...
DOI: 10.33899/rengj.2006.45367
Numerical Investigation of Natural Convection Heat Transfer from a Cylinder in a Vented Enclosure
Dr. Ghalib Y. Kahwaji, Mutaz A. Yonan,
AbstractIn this work, Natural convection heat transfer from a horizontal cylinder placed in a vented enclosure was investigated numerically to infer the effect of Rayleigh number (Ra) having the...
DOI: 10.33899/rengj.2006.45369
Experimental Study of heat Transfer between the Shallow Fluidized bed and a Tube Bundle Immersed in it
Maan S. Al- Dabbagh,
Abstract:This paper presents an experimental study of heat transfer between a shallow fluidized bed and the surface of a single horizontal tube and a tube bundle, which is immersed in it.Carbon,...
DOI: 10.33899/rengj.2006.45353
Study of the Nature of Industrial Effluent From Hammam Al-Alil Cement Factory And Evaluate Its Reuse Ability
Kossay K. Al-Ahmady,
AbstractCement industry consumes a big amount of water, which is used in both of the industrial processing and in the cooling system. In this paper, an industrial surveying was carried out to...
DOI: 10.33899/rengj.2006.45371
Use Of Bentonite Clay As A Coagulant Or A Coagulant Aid With Ferrous Sulfate For Synthetic Turbidity Removal
Mohammad S. Hassan, Musa’b A. Al- Tamir,
AbstractIn this study the bentonite clay has been used as a coagulant and coagulant aid with ferrous sulfate in turbidity removal for different initial synthetic turbidity of Tigris River samples...
DOI: 10.33899/rengj.2006.45374
The Investigation of the Relationship Between Water Qualitative and Spectral Characteristics
Al-Obaidi Riyadh M.Saleh,
AbstractThe relationship between water quality characteristics and spectrum photometric properties of water was investigated. Different sample types were taken to conduct the study (well, river,...
DOI: 10.33899/rengj.2006.45378
Prediction Analysis of Trip Production Using Cross-Classification Technique
Dr.Abdul Khalik Al-Tae, Amal M. Taher,
In this study a cross-classification technique is used to predict trip production travel among 20 traffic analysis zones located within Dohuk city residential area. Two and three level...
DOI: 10.33899/rengj.2006.45358
H∞/µ - SYNTHESIS for CUK CONVERTOR CIRCUIT CONTROLLER
Dr. Ali H. Ahmed, Dr. Majid K. Alkhatat, Eng. Ahmed A. J,
AbstractThe present work deals with robust stability analysis and synthesis of Cuk converter circuit .Mathematical model in state space form is developed for the circuit .A general system matrix is...
DOI: 10.33899/rengj.2006.45363
FRICTION TECHNIQUE FOR DETERMINING FORMING LIMIT CURVES
A. Alsaati, W. J.Ali, F. M.Alkaissy,
A new method for establishing the Forming Limit curve (FLC) in sheet metal forming is introduced in this work. The method is based on varying the strain path by changing the coefficient of friction...
DOI: 10.33899/rengj.2006.45352
DYNAMIC ANALYSIS OF BRIDGES SUBJECTED TO MOVING VEHICLES
Dr. Mohamad Najim Mahmood, Ayad Thabit Saeed Al-Ghabsha,
In the present work the Finite Prism method was used for the dynamic analysis of bridges under moving vehicles. In this method a combination is used of the finite element method representing the...
DOI: 10.33899/rengj.2006.45356
Reflections Of Motor Vehicle Transportation On The Pollution Of Iraqi Environment
T.A .Al-Tayyar, S. M. Al-Rawi,
The paper shows that the number of vehicles in the country amounts to 3.14 millions, a two- folds compared to the vehicle numbers in the last decade. This huge number emits as much as 17.2 tons of...
DOI: 10.33899/rengj.2006.45377
Boundary Equations of Flow Cases for Compound Hydraulic structures
Dr. Moayed S. Khaleel, Ahmed Y. Mohammed, Dr. Basil K. Daowd,
Abstract:The boundary equations of different flow cases for compound hydraulic structure have been found in this paper. A weir was fixed under sluice gate in a rectangular flume form a jet of water...
DOI: 10.33899/rengj.2006.45380
Simulation and Prediction of Groundwater Paths and Flow Vectors at Mosul City
Thair M. Al-Taiee, Abdulghani A. Hasan,
ABSTRACTHigh elevations of groundwater at Mosul city is a very big problem and may cause mass destructions to the environment, health and building foundations due to the closing of groundwater near...
DOI: 10.33899/rengj.2006.45362
