Study on Bl-Level Drainage Problem by Analytical Methods
Study on Bl-Level Drainage Problem by Analytical Methods

Nazar A. Sahib; Dakashina Moorthy

Volume 1, Issue 1 , January 1983, Page 8-23

https://doi.org/10.30684/etj.1983.1.1

Abstract
  The bi-level drainage problem is studied in this paper. The problem is represented by a linearized theoretical model and the same is solved by an analytical procedure making use of ...  Read More ...
Generalization of Coefficient Method for Routing a Flood Through a Reservoir
Generalization of Coefficient Method for Routing a Flood Through a Reservoir

G. Al-Mashidani

Volume 1, Issue 1 , January 1983, Page 24-28

https://doi.org/10.30684/etj.1983.1.2

Abstract
  The coefficient method has been generalized by assuming a nonlinear relationship between storage and outflow. An empirical procedure for the solution of general equation has been developed. ...  Read More ...
Stress Distribution in a Wedge Indenter
Stress Distribution in a Wedge Indenter

M. I. Ghobrial

Volume 1, Issue 1 , January 1983, Page 29-48

https://doi.org/10.30684/etj.1983.1.3

Abstract
  Plasticity analysis for orthogonal wedge indentation of plastic rigid material suggests that the faces of the wedge will be subjected to uniformly distributed pressure and tangential ...  Read More ...
Design and Analysis of Stormwa Ter Retention Ponds Based on Water Quality Objectives
Design and Analysis of Stormwa Ter Retention Ponds Based on Water Quality Objectives

D. W. Lafleur; E. A. McBean; S. A. Al-Nassri

Volume 1, Issue 1 , January 1983, Page 49-61

https://doi.org/10.30684/etj.1983.1.4

Abstract
  The change from rural to urban landaus has an effect on the volume, rate and quality of storm water runoff. The pollutants originating from a wide variety of processes such as soil ...  Read More ...
On the Rigid Body Modes of Vibration Timoshenko Beamresting on an Elastic Foundation
On the Rigid Body Modes of Vibration Timoshenko Beamresting on an Elastic Foundation

Baha A.H. Abbas

Volume 1, Issue 1 , January 1983, Page 62-71

https://doi.org/10.30684/etj.1983.1.5

Abstract
  An Analytical method is Presented for the determination of the Frequencies of the Rigid body modes of Vibration Timoshenko Beamresting on an Elastic Foundation. The Results obtained ...  Read More ...
A Comparison of the Use of Woolen, Semi-worsted and Worsted Spun Yarns from Awasi, Blackface, Hammadani and Crossbred Wool in Tufted Carpets.
A Comparison of the Use of Woolen, Semi-worsted and Worsted Spun Yarns from Awasi, Blackface, Hammadani and Crossbred Wool in Tufted Carpets.

Nasser Al- Rubaiey; J. I. Iredal

Volume 1, Issue 1 , January 1983, Page 72-81

https://doi.org/10.30684/etj.1983.1.6

Abstract
  The object of this paper is concerned with:a. The Evaluation of the Suitability of Awasi and Hammadani wool in tufted carpets after subjectively examining various wools widely ...  Read More ...
Determination of Multiplication Factor M for Optimum Behaviour of Avalanche
Determination of Multiplication Factor M for Optimum Behaviour of Avalanche

Tariq Albaldawi; R. Alabedra; G. Lecoy

Volume 1, Issue 1 , January 1983, Page 83-96

https://doi.org/10.30684/etj.1983.1.7

Abstract
  The purpose of this paper is the determination of multiplication factor M for optimum behaviour of avalanche photodetectors. We compare two types of avalanche photodetectors: a silicon ...  Read More ...
Mathematical Analysis of the Performance of Cylindrical – parabolic solar Concentrator
Mathematical Analysis of the Performance of Cylindrical – parabolic solar Concentrator

R. A. Al-Ashoor

Volume 1, Issue 1 , January 1983, Page 97-112

https://doi.org/10.30684/etj.1983.1.8

Abstract
  The paper gives theoretical analysis of the performance of cylinderical parabolic solar concentrator. Particular attention is given to the application of this type concentrator in the ...  Read More ...