The Effect of Atomizer Position in a Curved Duct on the Humidification Process of Steadily Flowing Air
The Effect of Atomizer Position in a Curved Duct on the Humidification Process of Steadily Flowing Air

Hussein Hayder Mohammed Ali; Abdul Satar Jawad Mohammed; Sabah Tarik Ahmed

Volume 31, 5 A , May 2013, Page 793-815

https://doi.org/10.30684/etj.31.5A1

Abstract
  An experimental study is conducted on the utilization of water atomization to evaluate its impact on the humidification of steadily flowing air travelling throughout a curved portion ...  Read More ...
Mathematical Estimation for the Bearing Capacity of Sand Column Inserted in Soft Clay Soil
Mathematical Estimation for the Bearing Capacity of Sand Column Inserted in Soft Clay Soil

Awf Abdul Rahman Al-Kaisi; Hiba Hussein Ali

Volume 31, 5 A , May 2013, Page 816-827

https://doi.org/10.30684/etj.31.5A2

Abstract
  Sand column is one of the soft ground improvement methods. It is made up of well compacted sand pile, it is used for enhance the load capacity of soft clay soils, reduce the settlement ...  Read More ...
The Challenges of Water Sustainability in Iraq
The Challenges of Water Sustainability in Iraq

Abdul Hameed M. Jawad Al Obaidy; Mukdad Al-Khateeb

Volume 31, 5 A , May 2013, Page 828-840

https://doi.org/10.30684/etj.31.5A3

Abstract
  The sustainable development in Iraq is being hindered by several obstacles. Water, being related to the food security, is a main concern that could duplicate the already present socio-economic ...  Read More ...
Effect of Boundary Conditions on Impact Resistance of Concrete Slabs
Effect of Boundary Conditions on Impact Resistance of Concrete Slabs

Eyad K. Sayhood; Nisreen S.Mohammed; Sabah K. Muslih

Volume 31, 5 A , May 2013, Page 841-860

https://doi.org/10.30684/etj.31.5A4

Abstract
  A theoretical analysis based on the numerical solution of the slab impact integral equation is carried out to determine the impact force and deflection time histories, the strain energy ...  Read More ...
Experimental Study of the Influence of Baffles on Hydrodynamics of Gas- Solids Fluidized Bed System
Experimental Study of the Influence of Baffles on Hydrodynamics of Gas- Solids Fluidized Bed System

Jamal M. Ali

Volume 31, 5 A , May 2013, Page 861-878

https://doi.org/10.30684/etj.31.5A5

Abstract
  The objective of the present study was to determine the effects of the internals baffles on the gas-solids fluidized bed hydrodynamics, using a circular fluidized bed of Geldert group ...  Read More ...
Empirical Modelling for Prediction of Work piece Surface Roughness and Cutting Tool Temperature in Turning Carbon Steel
Empirical Modelling for Prediction of Work piece Surface Roughness and Cutting Tool Temperature in Turning Carbon Steel

HaiderM. Mohammad; Murtadha A. Jabbar

Volume 31, 5 A , May 2013, Page 879-889

https://doi.org/10.30684/etj.31.5A6

Abstract
  To increase cutting tool life and improve workpiece surface quality, an empirical model was proposed to predict workpiece surface roughness and cutting tool temperature by discovering ...  Read More ...
Fracture Energy Influence on the Behavior of Steel Fiber Reinforced Concrete (SFRC) Beam Using Finite Element Method
Fracture Energy Influence on the Behavior of Steel Fiber Reinforced Concrete (SFRC) Beam Using Finite Element Method

Mehdi Ali Jawad Albayyati

Volume 31, 5 A , May 2013, Page 890-909

https://doi.org/10.30684/etj.31.5A7

Abstract
  The principle aim of this research is concentrated on studying the effect of cracks and their propagations on the mechanical behavior of a steel fiber reinforced concrete (SFRC) beam. ...  Read More ...
Measurements in Alhadba Minaret Using Robotic Total Station
Measurements in Alhadba Minaret Using Robotic Total Station

Rasheed Saleem Abed; Ghassan Najim Abdullah

Volume 31, 5 A , May 2013, Page 910-920

https://doi.org/10.30684/etj.31.5A8

Abstract
  The old heritage of Alhadba Minaret in Mosul is famous for its considerable height and leaning. After approximately 800 years since its construction still withstanding degradation. ...  Read More ...
2nd order Incremental Data Weighted Averaging (IDWA) Technique to Reduce In-band Tones of an 8-bit Digitalto- Analog Convertor (DAC)
2nd order Incremental Data Weighted Averaging (IDWA) Technique to Reduce In-band Tones of an 8-bit Digitalto- Analog Convertor (DAC)

Hasan M. Azzawi

Volume 31, 5 A , May 2013, Page 921-931

https://doi.org/10.30684/etj.31.5A9

Abstract
  A second order of IDWA (Incremental data weighted averaging) technique is proposed to improve 8-bit digital-to-analog convertor (DAC). In addition, this paper discusses the impact of ...  Read More ...
Performance of Powdered Polymerized Concrete at Elevated Temperatures
Performance of Powdered Polymerized Concrete at Elevated Temperatures

Dina Mukheef Hamza

Volume 31, 5 A , May 2013, Page 932-950

https://doi.org/10.30684/etj.31.5A10

Abstract
  In the domain of concrete modification by using polymers, the present study, focused on the use of Carboxy-Methyl Cellulose (CMC) as a water-soluble polymer and investigate its effects ...  Read More ...
Determination of the Position and the Area of any Spot Using Satellite Images
Determination of the Position and the Area of any Spot Using Satellite Images

Ameera Meki Jassim; Hussain Zaydan Ali

Volume 31, 5 A , May 2013, Page 951-963

https://doi.org/10.30684/etj.31.5A11

Abstract
  The position and the area of any spot can be determined in different modes and using satellite image is one of them. For this mode there are many applications like in determining the ...  Read More ...
Evaluation of AND-CFAR and OR-CFAR Processors Under Different Clutter Models
Evaluation of AND-CFAR and OR-CFAR Processors Under Different Clutter Models

Waleed Khalid Abd-Ali; Najim Abd-Ullah

Volume 31, 5 A , May 2013, Page 964-975

https://doi.org/10.30684/etj.31.5A12

Abstract
  In this paper an evaluation the detection performances for (AND-CFAR) and (OR-CFAR) processors under different clutter models is done for pulsed radar system. The clutter models used ...  Read More ...
Studying the Effect of Addition of Carbon Black on Rheological Properties of Polypropylene and Polycarbonate
Studying the Effect of Addition of Carbon Black on Rheological Properties of Polypropylene and Polycarbonate

Najat J. Salah; Abbas A. Jawad

Volume 31, 5 A , May 2013, Page 976-991

https://doi.org/10.30684/etj.31.5A13

Abstract
  In the present research the rheological properties of polymer melt composed of (polypropylene- polycarbonate ) unfilled_ filled with different amounts of Iraqi carbon black (2 – ...  Read More ...
Performance Evaluation of Dual Tree Complex Wavelet Packet Modulation (Dt-Cwpm) System Over Multipath Rayleigh Fading Channel
Performance Evaluation of Dual Tree Complex Wavelet Packet Modulation (Dt-Cwpm) System Over Multipath Rayleigh Fading Channel

Hikmat N. Abdullah; Majid A. Alwan; Fadhil S. Hasan

Volume 31, 5 A , May 2013, Page 992-1010

https://doi.org/10.30684/etj.31.5A14

Abstract
  The effectiveness of Dual Tree Complex Wavelet Packet Modulation (DT-CWPM) with DQPSK modulation is investigated for communication over flat and frequency selective Rayleigh fading ...  Read More ...
The Role of Technical Growth Poles in Achieving the Dimensions of Sustainable Development of Cities (City of Basra as Model)
The Role of Technical Growth Poles in Achieving the Dimensions of Sustainable Development of Cities (City of Basra as Model)

Sana Sati Abbas; Lubna R. Alazzawi

Volume 31, 5 A , May 2013, Page 87-109

https://doi.org/10.30684/etj.31.5A15

Abstract
  Most modern studies in the field of the city development and restructuring its physical condition are oriented toward the principals of sustainability in building up strategies for ...  Read More ...