Performance enhancement of PV panels by a channel shaped heat exchanger with an electromechanical control
Performance enhancement of PV panels by a channel shaped heat exchanger with an electromechanical control

Hussein A. Idan; Hatam K. Kadhom; Sahar R. Faraj

Articles in Press, Corrected Proof, Available Online from 18 February 2024

https://doi.org/10.30684/etj.2024.143283.1575

Abstract
  Photovoltaic panels are considered one of the important practical applications in converting solar energy into electrical energy, but they suffer from the effect of heat associated ...  Read More ...
Phase Change Material in Glazing Windows System: A Review
Phase Change Material in Glazing Windows System: A Review

Mina A. Nsaif; Mounir Baccar; Jalal M. Jalil

Volume 42, Issue 1 , January 2024, , Page 1-17

https://doi.org/10.30684/etj.2023.138089.1381

Abstract
  As far as thermal insulation is concerned, phase change materials (PCM) have a very good potential to be excellent insulation materials due to their thermal properties like low thermal ...  Read More ...
Numerical and Experimental Investigation of Heat Transfer Enhancement by Hybrid Nanofluid and Twisted Tape
Numerical and Experimental Investigation of Heat Transfer Enhancement by Hybrid Nanofluid and Twisted Tape

Noor F.A. Hamza; Sattar Aljabair

Volume 41, Issue 1 , January 2023, , Page 69-85

https://doi.org/10.30684/etj.2022.131909.1069

Abstract
  This paper presents an experimental and numerical study to investigate the heat transfer enhancement in a horizontal circular tube using hybrid nanofluid (CuO, Al₂O₃/ distilled ...  Read More ...
Performance Study of Solar Air Heater with Thermally Conducted Multi V Shaped Baffles and Ribs
Performance Study of Solar Air Heater with Thermally Conducted Multi V Shaped Baffles and Ribs

Jalal M. Jalil; Ghaydaa K. Salih; Yosif A. Madh

Volume 36, 8A , August 2018, , Page 930-938

https://doi.org/10.30684/etj.36.8A.14

Abstract
  In this study, solar air heater with thermally conducted multi V shaped baffles and with same baffles and ribs are investigated experimentally and numerically to improve the performance ...  Read More ...
CFD investigation of the erosion severity in 3D flow elbow during crude Oil contaminated sand transportation
CFD investigation of the erosion severity in 3D flow elbow during crude Oil contaminated sand transportation

M.A. Al-Baghdadi; K. K. Resan; M. Al-Waily

Volume 35, 9A , September 2017, , Page 930-935

https://doi.org/10.30684/etj.35.9A.10

Abstract
  During upstream petroleum production operations, crude oil and sand eroded from formation zones are often transported as a mixture through pipes up to the well heads and between well ...  Read More ...
Numerical Study of the Effects of Aneurysm and Stenosis in the Left Coronary Artery on the Human Blood Stream
Numerical Study of the Effects of Aneurysm and Stenosis in the Left Coronary Artery on the Human Blood Stream

N S. Mahmoud; A A. AI.allaq

Volume 35, 1A , January 2017, , Page 29-40

https://doi.org/10.30684/etj.2017.127308

Abstract
  The heart is the most important muscular organ in human's body, which pumps blood through the arteries to supply the body with oxygen and nutrients. The heart is supplied by the coronary ...  Read More ...
Numerical Investigation on the Performance of an External Compression Supersonic Air Intake Using By-Pass Technique
Numerical Investigation on the Performance of an External Compression Supersonic Air Intake Using By-Pass Technique

Jalal M. Jalil; Abdullateef A. Jadallah; Ahmed F. Mahdi

Volume 31, A 6 , June 2013, , Page 1011-1025

https://doi.org/10.30684/etj.31.6A1

Abstract
  Two-dimensional, supersonic flow field computation with by-pass holes has been conducted using Euler equation. An algorithm based on finite difference McCormack's technique is used ...  Read More ...
Study on Wind Loads Coefficients and Flow Field Characteristics Around the Parabolic Trough With Stiffeners
Study on Wind Loads Coefficients and Flow Field Characteristics Around the Parabolic Trough With Stiffeners

Mauwafak Ali Tawfik; Bahaa Ibrahim Kazem; Haider Hussein Hamad

Volume 30, Issue 18 , October 2012, , Page 3280-3296

https://doi.org/10.30684/etj.30.18.13

Abstract
  In the current study, the numerical analysis of the flow field characteristics around the parabolic trough with stiffener of solar polar concentrating power system is performed. The ...  Read More ...
Numerical Study of a Solar Chimney Power Plant
Numerical Study of a Solar Chimney Power Plant

Rafah A. Najim; Jalal M. Jalil

Volume 30, Issue 15 , September 2012, , Page 2597-2608

https://doi.org/10.30684/etj.30.15.4

Abstract
  Axi-symmetric, steady, incompressible, turbulent flow field developed by natural convection inside power plant solar chimney is investigated numerically using finite volume method. ...  Read More ...
Numerical Study for Natural Convection within a Rotating Cubic Enclosure
Numerical Study for Natural Convection within a Rotating Cubic Enclosure

Hussein Majeed Salih

Volume 30, Issue 16 , September 2012, , Page 2792-2810

https://doi.org/10.30684/etj.30.16.5

Abstract
  A numerical study of three–dimensional, steady, turbulent and incompressible natural convection of air (Pr=0.72) within a rotating cubic enclosure is presented. The present code ...  Read More ...
Study of Three Dimensional Fluid Flow inManifold-Laterals System
Study of Three Dimensional Fluid Flow inManifold-Laterals System

Jafar M. Hassan; Wahid S. Mohammad; Ayad F. Hameed

Volume 30, Issue 7 , April 2012, , Page 1132-1148

https://doi.org/10.30684/etj.30.7.3

Abstract
  A three dimensional numerical simulation of fluid flow in a manifold-laterals system was carried out; several geometrical changes were made to study the effect on water flowing inside ...  Read More ...
Three Dimensional Simulation of Supersonic Flow over Missiles of Different Shapes
Three Dimensional Simulation of Supersonic Flow over Missiles of Different Shapes

Jalal M. Jalil; Hussain H. Al-Kayiem; Ahmed Kadhim Hussein

Volume 30, Issue 3 , January 2012, , Page 325-343

https://doi.org/10.30684/etj.30.3.1

Abstract
  In this work, a three-dimensional primitive variable of supersonic flow over missiles was computed based on finite difference computational fluid dynamic methods. The problem was considered ...  Read More ...
Experimental and Numeriacal Study of Moisture Moviment Inside an Air Conditioned Space
Experimental and Numeriacal Study of Moisture Moviment Inside an Air Conditioned Space

Wahid S. Mohammad; Omar M. Mohamme

Volume 30, Issue 3 , January 2012, , Page 398-415

https://doi.org/10.30684/etj.30.3.6

Abstract
  This research is concerned with a computational study to simulate a turbulent three –dimensional buoyancy recirculation flow in an air-conditioned space. The study includes the ...  Read More ...
Shock Wave Capturing Numerically in Two Dimensional Supersonic Wind Tunnel for Different Configuration
Shock Wave Capturing Numerically in Two Dimensional Supersonic Wind Tunnel for Different Configuration

Ahmed Fouad Mahdi

Volume 30, Issue 3 , January 2012, , Page 426-442

https://doi.org/10.30684/etj.30.3.8

Abstract
  Numerical solutions of two dimensional Euler equations are obtained for transonic and supersonic flows. The shock capturing method is employed to solve compressible Euler equations ...  Read More ...
A Numerical Prediction of the Turbulence Parameters in Two-Dimensional Ventilated Rooms
A Numerical Prediction of the Turbulence Parameters in Two-Dimensional Ventilated Rooms

Ayad M. Salman

Volume 29, Issue 6 , April 2011, , Page 1052-1068

https://doi.org/10.30684/ etj.29.6.2

Abstract
  Turbulent flow in two-dimensional ventilated room has been numerically simulated in the present research. A modified form of Wilcox's two-equation LRN k-w model is proposed for predicting ...  Read More ...
Three-Dimensional Flow Model for The Downstream of Kuffa Barrage
Three-Dimensional Flow Model for The Downstream of Kuffa Barrage

Majid H. Hobi; Saleh I. Khassaf; Muhannad J. M. Al-Kizwini

Volume 29, Issue 3 , February 2011, , Page 434-441

https://doi.org/10.30684/etj.29.3.2

Abstract
  The three-dimensional numerical computational fluid dynamics “CFD”computer program "SSIIM" was used to predict the flow field downstream theKuffa Barrage. It solved the ...  Read More ...
Control of Separation For NACA 2412 Airfoil At Different Angles of Attack Using Air Blowing
Control of Separation For NACA 2412 Airfoil At Different Angles of Attack Using Air Blowing

Jalal M. Jalil; Assim H. Yousif; Yasser Ahmed Mahmood

Volume 28, Issue 16 , August 2010, , Page 5138-5150

https://doi.org/10.30684/etj.28.16.1

Abstract
  The study of the separation control using the jet blowing based on thecomputation of Reynolds-average Navier-Stocks equations is carried out in this work. A numerical model based on ...  Read More ...
Numerical Study of Solidification in Cavity with the Presence of Natural Convection
Numerical Study of Solidification in Cavity with the Presence of Natural Convection

Wahid S. Mohammad

Volume 28, Issue 6 , March 2010, , Page 1160-1168

https://doi.org/10.30684/etj.28.6.10

Abstract
  A study of Laminar two dimensional transient solidification with time –dependent natural convection in the melt is carried out. The mathematical modelfor the numerical simulation ...  Read More ...
Buoyancy Heat Transfer In Staggered Dividing Square Enclosure
Buoyancy Heat Transfer In Staggered Dividing Square Enclosure

Ali L. Ekaid; Ayad F. Hameed; Ahmad F. Mehde

Volume 28, Issue 4 , February 2010, , Page 639-663

https://doi.org/10.30684/etj.28.4.2

Abstract
  In this research, the Buoyancy heat transfer and flow patterns in a partiallydivided square enclosure with staggered partitions have been studied numerically.The partitions were distributed ...  Read More ...
Numerical Study Of Turbulent Natural Convection In An Enclosure With Localized Heating From Left Side
Numerical Study Of Turbulent Natural Convection In An Enclosure With Localized Heating From Left Side

Ali L. Ekaid

Volume 27, Issue 14 , October 2009, , Page 2692-2710

https://doi.org/10.30684/etj.27.14.14

Abstract
  In this work, a numerical study is performed to predict the solution of buoyancy turbulent flow and heat transfer inside a square cavity with localized heating from the left side wall. ...  Read More ...
Numerical Simulation of a Two-Dimension Ramp Inlet Flow Field
Numerical Simulation of a Two-Dimension Ramp Inlet Flow Field

Jalal M. Jalil; Ahmed F. Kridy

Volume 27, Issue 6 , April 2009, , Page 1118-1126

https://doi.org/10.30684/etj.27.6.9

Abstract
  The Two-dimension ramp inlet flow field was studied with typical mode operations.Euler equations were used for solution with no special treatment required. In this work asolution algorithm ...  Read More ...