Ahmed Kadhim Hussein

University of Babylon

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Lioua Kolsi

University of Ha'il

Bagh Ali

Harbin Institute of Technology

Obai Younis

Prince Sattam Bin Abdulaziz University

Farhan Lafta Rashid

University of Karbala

Raad Z. Homod

University of Basrah

Mohammed El Hadi Attia

University of Eloued

Uddhaba Biswal

National Institute of Technology Rourkela

Hussein Togun

University of Baghdad

Mohamed Bechir Ben Hamida

Imam Mohammad ibn Saud Islamic University

Sachindra Kumar Rout

C.V. Raman Global University

Cooperative Institutions

University of Babylon

University of Monastir

University of Ha'il

Northeast Petroleum University

University of Karbala

TRIUMF

University of Technology - Iraq

King Khalid University

University of Baghdad

University of Technology Malaysia

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Relating Urban Runoff with Soil Moisture, Temperature, Wind Speed and Vapor Pressure Using Artificial Neural Network: A Case Study of Mogadishu in Somalia

Lecture notes in networks and systems (2025)

Youssef Kassem Hüseyin Gökçekuş Ahmed Kadhim Hussein

10.1007/978-3-031-72506-7_10

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Significance of Darcy–Forchheimer Law, Activation Energy, and Brownian Motion of Tiny Particles on the Dynamics of Rotating MHD Micropolar Nanofluid

Mathematics (2023)

Meznah M. Alanazi Awatif A. Hendi Bagh Ali Sonia Majeed Ahmed Kadhim Hussein

The time-independent performance of a micropolar nanofluid under the influence of magneto hydrodynamics and the existence of a porous medium on a stretching sheet has been investigated. Nano-sized particles were incorporated in the base fluid because of their properties such as their extraordinary heat-enhancing ability, which plays a very important role in modern nanotechnology, cooling electronic devices, various types of heat exchangers, etc. The effects of Brownian motion and thermophoresis are accounted for in this comprehensive study. Using similarity conversion, the leading equations based on conservation principles are non-dimensionalized with various parameters yielding a set of ODEs. The numerical approach boundary value problem fourth-order method (bvp4c) was implemented as listed in the MATLAB computational tool. The purpose of this examination was to study and analyze the influence of different parameters on velocity, micro-rotation, concentration, and temperature profiles. The primary and secondary velocities reduced against the higher inputs of boundary concentration, rotation, porosity, and magnetic parameters, however, the base fluid temperature distribution grows with the increasing values of these parameters. The micro-rotation distribution increased against the rising strength of the Lorentz force and a decline is reported against the growing values of the micropolar material and rotational parameters.

Thermophoresis

Darcy number

Lorentz force

Nanofluidics

10.3390/math11040866

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Citations (4)

PREDICTION OF SHOCK WAVE AND EXTERNAL FLOW FIELD PARAMETERS IN A MODERATE SUPERSONIC FLOW OVER A 3-D ARC CIRCULAR BUMP

Iraqi journal of mechanical and material engineering (2009)

Ahmed Kadhim Hussein Hilla Iraq

Choked flow

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Single-phase and two-phase models of a hybrid nanofluid traveling through a non-uniformly heated (PTC) receiver: A comparative study

Journal of Thermal Engineering (2023)

Amina Benabderrahmane Ahmed Kadhim Hussein Obai Younis Abdelylah Benazza

The current study used single and two-phase modeling to numerically explore three-dimen-sional the turbulent forced convection of a hybrid nanofluid passing through a non-uniformly heated parabolic trough solar collector (PTC) for increasing heat transfer. The typical heat flux profile on the receiver’s absorber outer wall was addressed by a finite volume method (FVM) and the MCRT method. The results demonstrated that the single and two-phase models pro-duced almost similar hydrodynamic results but dissimilar thermal ones. It was found that the results of mixture model matched the experimental ones. The results also illustrated that the hybrid nanofluid gives the highest thermal performance for a mixture composed of 1.5% copper + 0.5% alumina dispersed in the water.

Parabolic trough

10.18186/thermal.1396640

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Hybrid nanofluids: Significance of gravity modulation, heat source/ sink, and magnetohydrodynamic on dynamics of micropolar fluid over an inclined surface via finite element simulation

Applied Mathematics and Computation (2021)

Bagh Ali Shahid Ali Khan Ahmed Kadhim Hussein Thirupathi Thumma Sajjad Hussain

10.1016/j.amc.2021.126878

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Citations (65)

Experimental investigation of spherical salt balls effect on solar distillers’ thermal performance at various water depths

International Journal of Environmental Science and Technology (2022)

Mohammed El Hadi Attia Ahmed Kadhim Hussein Husham Jassim Abdul-Ammer Müslüm Arıcı Mohamed Bechir Ben Hamida

Solar still

10.1007/s13762-022-04724-5

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Citations (10)

Numerical Investigation on Forced Hybrid Nanofluid Flow and Heat Transfer Inside a Three-Dimensional Annulus Equipped with Hot and Cold Rods: Using Symmetry Simulation

Symmetry (2020)

Aysan Shahsavar Goldanlou Mohammad Badri Behzad Heidarshenas Ahmed Kadhim Hussein Sara Rostami

A 3D computational fluid dynamics method is used in the current study to investigate the hybrid nanofluid (HNF) flow and heat transfer in an annulus with hot and cold rods. The chief goal of the current study is to examine the influences of dissimilar Reynolds numbers, emissivity coefficients, and dissimilar volume fractions of nanoparticles on hydraulic and thermal characteristics of the studied annulus. In this way, the geometry is modeled using a symmetry scheme. The heat transfer fluid is a water, ethylene–glycol, or water/ethylene–glycol mixture-based Cu-Al2O3 HNF, which is a Newtonian NF. According to the findings for the model at Re = 3000 and ϕ1 = 0.05, all studied cases with different base fluids have similar behavior. ϕ1 and ϕ2 are the volume concentration of Al2O3 and Cu nanoparticles, respectively. For all studied cases, the total average Nusselt number (Nuave) reduces firstly by an increment of the volume concentrations of Cu nanoparticles until ϕ2 = 0.01 or 0.02 and then, the total Nuave rises by an increment of the volume concentrations of Cu nanoparticles. Additionally, for the case with water as the base fluid, the total Nuave at ϕ2 = 0.05 is higher than the values at ϕ2 = 0.00. On the other hand, for the other cases, the total Nuave at ϕ2 = 0.05 is lower than the values at ϕ2 = 0.00. For all studied cases, the case with water as the base fluid has the maximum Nuave. Plus, for the model at Re = 4000 and ϕ1 = 0.05, all studied cases with different base fluids have similar behavior. For all studied cases, the total Nuave reduces firstly by an increment of the volume concentrations of Cu nanoparticles until ϕ2 = 0.01 and then, the total Nuave rises by an increment of the volume concentrations of Cu nanoparticles. The Nuave augments are found by an increment of Reynolds numbers. Higher emissivity values should lead to higher radiation heat transfer, but the portion of radiative heat transfer in the studied annulus is low and therefore, has no observable increment in HNF flow and heat transfer.

Annulus (botany)

10.3390/sym12111873

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Citations (14)

Mixed Convection in Cylinders - A Comprehensive Overview and Understanding

Ahmed Kadhim Hussein

: This paper gives a comprehensive overview and understanding related with mixed convection in cylinders. About onehundred papers which are published in different local and international journals and conferences started from the past decade until the recent years are collected and described in various sections to give both researchers and readers a good overview and a solid background about mixed convection flow and heat transfer in cylinders to develop their future researches. In addition, the papers reviewed including numerical, analytical and experimental works related with mixed convection in cylinders are grouped into categories which collect papers with the same research subject. Moreover, mixed convection in horizontal , vertical and rotating cylinders subjected to a different boundary conditions as well as cylinders embedded inside a channel , annulus and cavity are described and reviewed.

Annulus (botany)

Forced convection

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An Examination of Air-Bubble Injection Mechanisms for Optimising Heat Transfer in Industrial Applications

International Journal of Heat and Technology (2023)

Farhan Lafta Rashid Ali Basem Mudhar A. Al‐Obaidi Sarah Abbas Jawad Ahmed Kadhim Hussein

The optimisation of heat transfer, which is the transition of thermal energy from regions of high temperature to those of lower temperature, is a cornerstone in the field of thermal sciences and engineering.It is of vital importance to maximise energy efficiency, ensure system performance, and uphold operational reliability across numerous industrial applications.In this context, recent investigations have explored the modification of heat transfer rates through the turbulence induced by air-bubble injections.The technique has found application in heat exchangers, solar stills, and solar collectors, where it can be employed to either augment or attenuate heat transmission.The majority of the research has been dedicated to enhancing thermal efficiency, with both theoretical models and experimental data underpinning our current understanding.This review provides a critical analysis of over 45 studies from the literature, which have examined the implications of air bubble injection across various realms of industry, including heat exchangers, water desalination systems, solar collectors, and diverse media.Our analysis underscores the profound impact of heat transfer rates on process productivity, efficiency, and costeffectiveness across a gamut of applications.A range of industrial processes, such as cooling, heating, evaporation, and condensation, all rely heavily on efficient heat exchange.Enhancements in heat transfer rates hold the potential to curtail energy losses, reduce fuel consumption, and subsequently lower operational costs in industrial applications like solar thermal systems.Moreover, efficient heat transfer is pivotal in minimising temperature variations, thereby contributing to consistent outcomes.

Air bubble

10.18280/ijht.410513

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Citations (2)

Mathematical model in the form of vorticity-stream function for porous premixed combustion

DOAJ (DOAJ: Directory of Open Access Journals) (2015)

Watit Pakdee Nuttapong Utaivorawit Ahmed Kadhim Hussein

Stream function

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Citations (2)