Main Subjects = Engineering
Number of Articles: 628
Earth Fault Protection Failure in the Distribution Transformer 11/0.4 kV Supply
Volume 36, 4A , April 2018, , Page 391-400
Abstract
This research studies a miss-coordination problem in the protection of 11 kV distribution network in Iraq. The problem arises when an underground cable is exposed to an earth fault ... Read More ...
Using Polyethylene Glycol to Produce Self Cured Cement Mortar
Volume 36, 4A , April 2018, , Page 401-409
Abstract
The capacity of self-curing admixture is to reduce the evaporation of water from mortar, and subsequently they increase the ability of water retention from mortar contrasted with those ... Read More ...
Effect of Nano Carbon Tube on the Mechanical and Physical Properties of Composites Based on Resin Route
Volume 36, 4A , April 2018, , Page 410-416
Abstract
In this work, the physical and mechanical properties of nano composites are investigate. The nano composites consist of matrix was polyester resin and 3% volume fractions of glass fibers ... Read More ...
Removal of Cr (VI) and Cu (II) Ions from Synthetic Wastewater by Solar Photocatalytic Reactor
Volume 36, 4A , April 2018, , Page 417-423
Abstract
Heavy metal ions in wastewater have promoted increasing concern on environmental and health risks. The present work was devoted to investigate the feasibility of utilizing solar light ... Read More ...
Design of Compact Dual-Mode BPFs Based on Cantor Fractal Geometry with U-Shaped Capacitive Coupling
Volume 36, 4A , April 2018, , Page 424-429
Abstract
This study displays two microstrip bandpass filters using dual mode loop and patch resonators in form of Cantor geometry. The proposed filters exhibits one and two bands frequency responses ... Read More ...
Numerical and Experimental Study of Cooling in Desktop Computer with Block Heat Sink
Volume 36, 4A , April 2018, , Page 430-438
Abstract
This paper investigates numerically and experimentally fluid flow and heat transfer inside the desktop P.C.. The study of cooling considers the components; CPU, heat sink, power supply, ... Read More ...
Effect of DEM and Land Cover Resolutions on Simulated Runoff of Adhaim Watershed by SWAT Model
Volume 36, 4A , April 2018, , Page 439-448
Abstract
Accurate estimation of surface runoff by using Soil and Water Assessment Tool (SWAT) model is highly depends on the accuracy of the Digital Elevation Model (DEM), Land Cove and Land ... Read More ...
Strength Evaluation of Hybrid Reinforced Concrete Columns under Eccentric Loads
Volume 36, 4A , April 2018, , Page 449-455
Abstract
This study presents an experimental investigation of the behavior of hybrid circular columns composed of outer precast reactive powder concrete (RPC) tubes filled with normal concrete ... Read More ...
A Mathematical Model to Determination of Alum Amount Added for the Purpose of Coagulation in Water Purification Plants
Volume 36, 4A , April 2018, , Page 456-460
Abstract
Chemicals are used to increase the settling velocity for suspended deposition colloids which are not settled in sedimentation tanks in water purification plants . For this purpose, ... Read More ...
Performance Evaluation of the V–basin Tube Solar Collector by Using .Different Nanoparticles and Base Fluids
Volume 36, 4A , April 2018, , Page 461-470
Abstract
This research discuss the performance and evaluation of V –basin collector in heating systems of solar with different nanofluids and base fluids, where metal nanofluids [Ag (20nm) ... Read More ...
Study of some Mechanical Properties and Erosive Behavior by Taguchi Method for Hybrid Nano Composites
Volume 36, 4A , April 2018, , Page 471-479
Abstract
The aim of this research is study the effect Nano TiO2 powder on impact strength, fracture toughness, hardness shore (D) and erosive wear behavior of polymer composites materials are ... Read More ...
Using RSM Technique for Modeling and Optimization the Influence of Cutting Parameters on Tool Wear and Cutting Forces in Turning Operation
Volume 36, 3A , March 2018, , Page 243-247
Abstract
This study is an attempt to investigate the effect of cutting parameters on the cutting force and tool wear during turning of AISI 304 steel using tungsten carbide tool (WC). The first ... Read More ...
Study The Effect of Traditional Iraqi Stabilizers (Cement and Lime) on Some Properties of Iraqi Clay Soils
Volume 36, 3A , March 2018, , Page 248-255
Abstract
This study provides practical results in the use of the composite from sulfate resistance Portland cement (PC) and Quicklime (LQ) to improve and stabilize of soils in Al - Zaafaraniya ... Read More ...
Investigate WEDM Process Parameters on Wire Wear Ratio, Material Removal Rate and Surface Roughness of Steel 1012 AISI
Volume 36, 3A , March 2018, , Page 256-261
Abstract
This work is focused on some affecting parameters in Wire electrical discharge machining process for AISI 1012 steel by using brass wire and zinc coated brass wire with 0.25mm diameter. ... Read More ...
Effect of Impact Hot- Dry Weather Conditions on the Properties of High Performance Lightweight Concrete
Volume 36, 3A , March 2018, , Page 262-273
Abstract
The aim of this investigation is to produce high performance lightweight aggregate concrete in actual hot- dry weather conditions, and then study the combined effect of hot-dry weather ... Read More ...
Experimental Investigation of a New Modified Catalysts (WO3/Si-Zr) and (Si-Zr) for the Process of Aerosol Nanocatalysts by FCC of Residual Vacuum Distillation
Volume 36, 3A , March 2018, , Page 274-281
Abstract
This work aims at comparing between the a new modified catalyst WO3/Si-Zr and catalyst Si-Zr to obtain gasoline and diesel fraction , The new theory of aerosol nanocatalysts technology ... Read More ...
Study the Characteristics Thermal and Mechanical for Unsaturated Polyester Resin Forced by Asbestos Fiber
Volume 36, 3A , March 2018, , Page 282-286
Abstract
In this work prepared and study a polymer composite, where use polyester resin with asbestos fiber ratio (5%, 10% and 15%). First study effect of changing reinforcement percentage by ... Read More ...
Tuning of a PID Controller by Bacterial Foraging Algorithm for Position Control of DC Servo Motor
Volume 36, 3A , March 2018, , Page 287-294
Abstract
Controlling the position of Direct Current servo motor is the first aim of this paper, by Bacterial Foraging Algorithm (BFA), the best Proportional – Integral - Derivative (PID) ... Read More ...
Investigation the Effect of Nano–Particles and Recycling Mortar Additives on Physical and Mechanical Properties of Concrete
Volume 36, 3A , March 2018, , Page 295-303
Abstract
In this paper a lower ratio of nano powder were used from (Al2O3 and ZrO2) (0.5, 1.5and 2. 5 wt %) from cement weight, the average particle size of nano-powder were (20nm). These powders ... Read More ...
Reliability Evaluation of Al_Mansour 11kV Distribution Network in Baghdad City
Volume 36, 3A , March 2018, , Page 304-314
Abstract
Reliability is a key aspect of power system design and planning. This work aims to evaluate and improve the reliability of a power distribution network in Baghdad city. The minimal ... Read More ...
Development Bearing Capacity of Piles Embedded in Clayey Soil
Volume 36, 3A , March 2018, , Page 315-321
Abstract
The load carrying capacity of piles resulting from base resistance and shaft resistance, the load transfer mechanism of piles is complicated since the mode of failure of these components ... Read More ...
Studying of Buckling Behavior on Composite Material
Volume 36, 3A , March 2018, , Page 322-327
Abstract
In this paper the buckling behavior of composite specimen manufactured from polyester reinforced with fiberglass, jute fiber and eggshell powder were studied. Several samples with rectangular ... Read More ...
Mechanical Properties of Al 6061/Al2O3 Nanocomposite by Stir Casting
Volume 36, 3A , March 2018, , Page 328-332
Abstract
Present work deals with the examination of the mechanical properties of Al 6061 composites, which were successfully fabricated by stir casting technique and then reinforced by using ... Read More ...
Optimal Reconfiguration and Distributed Generation placement in Baghdad Distribution Sector
Volume 36, 3A , March 2018, , Page 333-343
Abstract
The power losses in distribution system are high, which form 70 – 80% of total transmission and distribution losses. High losses have severe impact on stability, reliability as ... Read More ...
Effect of Laser Surface Melting on Chromium Carbide of 304 Stainless Steels
Volume 36, 3A , March 2018, , Page 344-349