Volume 19 Issue 4

Published: 2025-06-25

Contents


Article
FPGA Implementation of Multiplierless DCT/IDCT Chip

Dr. Ahlam Fadhil Mahmood, Abdulkreem Mohameed Salih,

AbstractThe advance of mobile electronics technology has produced handheld appliances allowing both wireless voice and data communications. One of the most important operations in the realm of...

DOI: 10.33899/rengj.2011.26797

Pages: 55-67
A Study of Factors Affecting Drain Spacing Calculated with Different Methods

Dr.Abdul Sattar Aldabagh, Entesar M.Ghazal, Ali M.Yaseen

A computer model is developed to find the drain spacing using dynamic equilibrium and peak irrigation period and steady state concepts. Then sensitivity analysis is done to study the impact of...

DOI: 10.33899/rengj.2011.26777

Pages: 63-77
Simulation and Design of a Finned tube air cooled condenser used in absorption refrigeration systems

Firas Salah Yahia Al-Khayatt,

Abstract Absorption refrigeration systems(ARS) reduce the consumed energy comparing with the compression refrigeration systems. The (ARS) need the thermal energy for its work which can be provided...

DOI: 10.33899/rengj.2011.26780

Pages: 89-98
Influence Of an Earthed Transformers On The Distance Protection Relay Measuring Accuracy For Double Transmission Lines

Dr. Abdul Ghani A. Abdul Ghafoor, Mr. Ahmed Ateya Al-Badrani,

Abstract:This paper investigates a study of the influence of an earthed transformer in a double circuit transmission lines have intermediate tapped to provide to loads on a measuring accuracy and...

DOI: 10.33899/rengj.2011.26758

Pages: 1-9
Effect of Partial Replacement of Fine Aggregate on Some Engineering Properties of Concrete

Zeena Adel Mohammed,

AbstractRecently, interest set out for obtaining new recourses for natural aggregate ate used in concrete mixes. Attempts are also intensified to make use of the accumulation of certain types of...

DOI: 10.33899/rengj.2011.26763

Pages: 30-39
Design and FPGA Implementation of Dual Scan two Dimensional Discrete Wavelet transforms

Zahraa Talal Abed Al-Mokhtar,

AbstractIn this paper, hardware architectures for two dimensional discrete wavelet transform (2-D DWT) are examined, the 4-input/4-output Dual Scan architecture for one-level DWT is presented, then...

DOI: 10.33899/rengj.2011.26800

Pages: 68-78
ANALYTICAL STUDY OF REINFORCED CONCRETE TWO-WAY SLABS WITH AND WITHOUT OPENING HAVING DIFFERENT BOUNDARY CONDITIONS

Hosam A. Daham,

AbstractConcrete slabs with opening are usually designed with help of traditional rules of thumb proposed by building codes. Such methods, however, introduce limitations concerning size of openings...

DOI: 10.33899/rengj.2011.26789

Pages: 11-27
Effect Of The Earthed Out of Service Transmission Lines On a Distance Measuring Relay Setting

Dr. Abdul Ghani A. Abdul Ghafoor, Mr. Ahmed Ateya Al-Badrani,

Abstract:This paper includes a study and analysis of an earthed out of service for one of double circuit transmission lines impact on a Distance Measuring Relay (DMR) setting due to zero sequence...

DOI: 10.33899/rengj.2011.26759

Pages: 10-19
Mathematical Model for Calculating Oxygen Mass Transfer Coefficient in Diffused Air Systems

Kossay K. Al-Ahmady

AbstractThe key element in developing an analytical or mathematical procedure is to determine the main factors that possess potential importance in oxygen transfer process. In this paper, the...

DOI: 10.33899/rengj.2011.26795

Pages: 43-54
Maximizing the Benefit from Rain and Supplemental Irrigation Water in Mosul Area

Dr. N. M. Jajo, Dr. E. Hazem, R.M. Hameed,

ABSTRACTThe daily rainfall (amount and distribution) for 28 years at Mosul area along the growing season of wheat crop are studied . The objective is to determine the onset rainfall for rainfed...

DOI: 10.33899/rengj.2011.26779

Pages: 78-88
Genetic Algorithm Based Small Distributed Generation Units Addition Technique To Reduce Real Power Losses

Saraa Esmaeel Khaleel,

AbstractThe increasing demand on installing small generating units had resulted in focusing on advanced concern of distributed generation (DG) units located at specific points of the electrical...

DOI: 10.33899/rengj.2011.26761

Pages: 20-29
A study of Contaminate diffusion Through Layered Soil due to leachate migration From Landfill Site

A. A. AL-Daood,

AbstractContamination of soils and groundwater is considered as one of the major environmental problems. So, water and contaminate movement through soil especially in layered soil should be studied...

DOI: 10.33899/rengj.2011.26792

Pages: 28-42
Effect of Spans Length on Structural Design of Multi story Buildings

Tarek Edrees Saaed, Nuha Hemedy Al-Jubory,

AbstractThe aim of this research is to obtain the optimum spacing between columns in both directions for multi story buildings through the optimization of reinforced concrete required to construct...

DOI: 10.33899/rengj.2011.26769

Pages: 40-62
Modeling of Dynamic Processes of the Main Executive Mechanism of the Hot-crank Press

Mohammed Najeeb Abdullah, Victor Valerievich Telegin,

AbstractThe paper considers a dynamic model and its mathematical description of the central crank-slide mechanism of the hot-crank press. The peculiarity of the proposed model is ability to assess...

DOI: 10.33899/rengj.2011.26787

Pages: 1-10
Human Factors of Green Architecture Green Building of Nikken Sekkei

Ghada Mohammed Yonis,

Human factors is the most important components of Green Architecture besides the main approach of energy consumption and preservation . That factors are reflected by introduce comfort and healthy...

DOI: 10.33899/rengj.2011.26784

Pages: 99-122