Volume 13 Issue 1
Published: 2025-06-25
Contents
Article
VIBRATIONAL CHARACTERISTICS OF A ROTATING SHAFT CONTAINING A TRANSVERSE CRACK
MOHAMMED NAJEEB AL-RAWI, ZIAD SHAKEEB AL-SARRAF, Dr. SABAH MOHAMMED JAMEL
ABSTRACT:The influence of a transverse crack upon the dynamic behavior of a rotatingshaft is studied. Introduction of such a crack results in lower transverse naturalfrequencies due to the added...
DOI: 10.33899/rengj.2005.45557
THE MEMORIZATION BEHAVIORS OF DIFFERENT MIOS STRUCTURES
L. S. ALI, W. F. MOHAMAD
ABSTRACT: In this chapter the various kinds of charge storage cells are discussedas a result of examining many samples with different structures. The C-V, I-V and R-Vmeasurements of the structures...
DOI: 10.33899/rengj.2005.45562
Modeling Deficit Irrigation Water Requirement For Maize in Mosul Region
Dr.Anmar A.AL-Talib, Dr. Abdul Sattar Y.AL-Dabagh, Ahmed A.AL-Neami
AbstractA computerized model with (Microsoft QuickBasic version 1.1) was proposedfor simulating the effect of deficit irrigation for maize crop during spring and autumnseasons in Mosul region. The...
DOI: 10.33899/rengj.2005.45581
Characteristics of Flow Over Normal and Oblique Weirs With Semicircular Crests
Tahssen A. H. Chilmeran, Bhzad M. A. Noori
characteristics of free flow over normal and obliqueweirs with semicircular crests are studied experimentally. For this purpose, forty eightweir models were constructed and tested. The first twelve...
DOI: 10.33899/rengj.2005.45568
Microprocessor-Based Controller for the Uninterruptible Power Supply Voltage Regulation
Prof. Basil M. Saied, Mr. Mohamad K. Shakfa
AbstractGood regulation and stability are important factors to be considered indesigning of the uninterruptible power supplies systems, which depend on the loadrequirements. On the other side, the...
DOI: 10.33899/rengj.2005.45576
Bifurcation and Voltage C ollapse in the Electrical Power Systems
Mr. Ahmed N. B. Alsammak
Voltage stability is indeed a dynamic problem. Dynamic analysis isimportant for a better understanding of voltage instability process. In this workan analysis of voltage stability from bifurcation...
DOI: 10.33899/rengj.2005.45565
COEFFICIENT OF DISCHARGE OF CHIMNEY WEIR UNDER FREE AND SUBMERGED FLOW CONDITIONS
Hanaa A .M.Hayawi, Amal A.G.Yahya, Ghania A.M.Hayawi
Abstract:The main objective of this investigation is to study experimentally the water surfaceprofiles and to obtain convenient expressions for the estimation of dischargecoefficients (Cd) for free...
DOI: 10.33899/rengj.2005.45573
