Volume 14 Issue 4

Published: 2006-12-01

Contents


Article
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

Pages: 11-23
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

Pages: 24-33
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

Pages: 34-50
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

Pages: 54-63
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

Pages: 64-72
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

Pages: 73-81
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

Pages: 82-98
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

Pages: 99-117