Anas Bentamy

Al Akhawayn University

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Lhoussaine Tenghiri

Al Akhawayn University

Farid Abdi

Sidi Mohamed Ben Abdellah University

Yassine Khalil

Sidi Mohamed Ben Abdellah University

Y Khalil

Agricultural Research Center

Ndiaga Mbodji

Institut Agronomique et Vétérinaire Hassan II

Asmae Khaldoune

Al Akhawayn University

Abdelghani Hajji

Mohammed V University

Anas Lahrichi

Al Akhawayn University

Kevin Smitha

Al Akhawayn University

Alois Peter Schaffarczyk

Fachhochschule Kiel

Cooperative Institutions

Al Akhawayn University

Agence pour le Développement et la Réhabilitation de la Ville de Fès

Sidi Mohamed Ben Abdellah University

Ecole Supérieure de Technologie de Safi

Mohammed V University

Fachhochschule Kiel

Kiel University

Forschungs- und Entwicklungszentrum Fachhochschule Kiel (Germany)

Institut Agronomique et Vétérinaire Hassan II

Ecole Mohammadia d'Ingénieurs

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Microstructure based simulation of clay composites thermal properties

Anas Lahrichi Houda Ennaceri Anas Bentamy Asmae Khaldoune

The aim of this study is to simulate thermal properties of Bensmim clay-wool composite through using microstructure based finite element modeling. These materials have been chosen due to their low cost and local availability. Cutting edge software tools that implement finite element methods will be used in order to first generate the 3D microstructure of the composites and then simulate the thermal properties as a second step. A validation of results is then performed through comparison with previous experimental studies in literature. The simulated thermal conductivity of the clay wool composite is 0.92 W/m-K which is close to the experimental value of 0.89 W/m-K. This study shows that microstructure based modeling of thermal properties of composites is a reliable way to explore new designs and get high fidelity measures of thermal conductivity.

10.1109/irsec.2016.7983877

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Citations (2)

Design and Cost Optimization of Small-Scale PV-Powered Reverse Osmosis Desalination (Case Study)

32nd European Photovoltaic Solar Energy Conference and Exhibition (2016)

Abdelghani Hajji Ndiaga Mbodji Anas Bentamy S. Hajji

Reverse osmosis plant

Geothermal desalination

Osmotic power

10.4229/eupvsec20162016-6av.6.9

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Citations (4)

Solar Dish Stirling technology for sustainable power generation in Southern Morocco: 4-E analysis

Sustainable Energy Technologies and Assessments (2022)

H. Allouhi A. Allouhi Anas Bentamy S. Zafar A. Jamil

Stirling cycle

Solar Power

10.1016/j.seta.2022.102065

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Citations (7)

Efficiency of a small wind turbine using BEM and CFD

IOP Conference Series Earth and Environmental Science (2018)

Y Khalil Lhoussaine Tenghiri Farid Abdi Anas Bentamy

The wind turbine is a mechanism which converts the mechanical energy to an electrical energy. The aerodynamic efficiency of the wind turbine is defined by the kinetic energy captured from the wind. A higher aerodynamic efficiency depends only on the design of the rotor blades. Theoretically, this efficiency (which is known by the power coefficient) is restricted by the Betz-Joukowski limit. Generally, to evaluate the power coefficient of a wind turbine, the Blade Element Momentum theory (BEM) have been used because it is fast and gives accurate results. In this work, a design of a small wind turbine is presented. The evaluation of the power coefficient of this wind turbine is estimated using the BEM theory. In order to minimize time and cost generated by the experimental tests, a computational fluid dynamic (CFD) approach is adopted to estimate the efficiency of the wind turbine. This method simulates the flow around the rotor blades to estimate the pressure and velocity distributions of the airflow, and then the aerodynamic performance. This CFD method can be conducted using many models (inviscid, laminar, k-w model, and Spalart Allmaras). In order to find the best model that should be used, a 2D simulation of the airflow around an airfoil validated experimentally was performed using Fluent. Then, the established methodology would be adopted for a 3D simulation of the airflow around the rotor. The results obtained were satisfactory and accurate compared to the results given by the BEM theory.

10.1088/1755-1315/161/1/012028

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Citations (8)

Structural design and analysis of a small wind turbine blade using Simple Load Model, FAST-MLife codes, and ANSYS nCode DesignLife

Wind Engineering (2019)

Lhoussaine Tenghiri Yassine Khalil Farid Abdi Anas Bentamy

This article presents a structural design and analysis of 11-kW small wind blades. The stress and the fatigue on the blades were computed using Simple Load Model from IEC 61400-2 standard, ANSYS nCode DesignLife, and FAST-MLife codes from the National Renewable Energy Laboratory. Simple Load Model gives good results in terms of stress analysis but overestimates fatigue damage on the blade. High safety factors imposed by the IEC 61400-2 standard, when full mechanical characterization of the blade material cannot be achieved, lead to heavy structures that impact the blade cost. For the same design, full computational analysis of the blade fatigue using FAST-MLife codes and the ANSYS nCode DesignLife revealed that the rotor blades will be safe against fatigue for a design lifetime of 20 years. This study shows that simple and reliable aeroelastic models are still needed for fatigue analysis of small wind blades.

Aeroelasticity

10.1177/0309524x19882430

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Citations (4)

Improvement of aerodynamic performance of a small wind turbine

Wind Engineering (2019)

Yassine Khalil Lhoussaine Tenghiri Farid Abdi Anas Bentamy

The aerodynamic performance of horizontal-axis wind turbines is strongly dependent on many parameters, among which the airfoil type and the blade geometry (mainly defined by the chord and the twist distributions) are considered the most critical ones. In this article, an approach giving the appropriate airfoil for a small wind turbine design was conducted by performing an aerodynamic improvement of the blade’s airfoil. First, a preliminary design of the rotor blades of a small wind turbine (11 kW) was conducted using the small wind turbine rotor design code. This preliminary approach was done for different airfoils, and it resulted in a maximum power coefficient of 0.40. Then, the aerodynamic efficiency of the wind turbine was improved by modifying the geometry of the airfoils. This technique targets the optimization of the lift-to-drag ratio (Cl/Cd) of the airfoil within a range of angles of attack. Also, a non-uniform rational B-spline approximation of the airfoil was adopted in order to reduce the number of the design variables of the optimization. This methodology determined the best airfoil for the design of a small wind turbine, and it gave an improved power coefficient of 0.42.

Relative wind

Small wind turbine

Lift (data mining)

Aerodynamic center

Chord (peer-to-peer)

10.1177/0309524x19849847

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Citations (14)

TOWARDS EFFICIENT IMPLEMENTATION OF CONTINUOUS ASSESSMENT IN ENGINEERING COURSES

Asia Pacific Journal of Contemporary Education and Communication Technology (2018)

Anas Bentamy Kevin Smitha Ab Al

This study investigates the impacts on learning summative (as compared to traditional 'normal' assessment methods -midterms and final examinations) and continuous assessment (CA) methods in higher education since students' approaches to learning are greatly influenced by the assessment methods adopted.The primary goal of selecting CA was to lessen the rate of failure in typical engineering courses (Fluid Mechanics, Dynamics and Mechanics of Material) and measure its effectiveness on learning.The preliminary results reveal a drastic decrease of the number of fails in some courses.Students' perceptions about CA assessment strategy have been collected through questionnaires to better implement the CA method and to enhance the teaching effectiveness.

10.25275/apjcectv4i1edu12

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Citations (0)

Optimum design of a small wind turbine blade for maximum power production

IOP Conference Series Earth and Environmental Science (2018)

Lhoussaine Tenghiri Y Khalil Farid Abdi Anas Bentamy

The rotor blades of a wind turbine are critical components that consist of aerodynamic shapes called airfoils. The interaction of these airfoils with the wind allows converting the power in the wind to mechanical power. The structure of the rotor blades must be able to extract maximum energy from the wind while being strong enough to stand steady, periodic and randomly changing loads. For maximum power extraction, an optimum design of the rotor blades is necessary. This paper presents a typical design methodology of the rotor blades of a small wind turbine with a power generation of 11 kW (rotor radius of 3.5 m). First, the design parameters were presented. Then, optimum blade geometry (chord length and twist angle distribution) was determined using optimum rotor theory. Finally, the wind turbine blade performance (power coefficient and power production) was assessed using Q-blade software.

10.1088/1755-1315/161/1/012008

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Citations (12)

Actuator disk modeling of the Mexico rotor with OpenFOAM

ITM Web of Conferences (2014)

Andreas Jeromin Anas Bentamy Alois Peter Schaffarczyk

The implementation of an actuator disk with prescribed constant load for OpenFOAM was first presented by Svenning. In our presentation it was enhanced to compute local loads from local velocities by given aerodynamic lift and drag coefficients. The new model was then verified using the so called MEXICO rotor. Extensive comparisons to the experiments and other simulations were performed. The results for the thrust force was comparable to BEm and measurement wereas torque for the separated case (25 m/s inflow velocity) gave rather wide-spreading results.

Lift (data mining)

Inflow

10.1051/itmconf/20140206001

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Citations (8)

Small Wind Power (SWP) as a Renewable Energy Source in Morocco

Journal of Physics Conference Series (2020)

Lhoussaine Tenghiri Rachid Zair Sallem Koubida Anas Bentamy

Abstract This paper has two main objectives: (1) to identify the causes behind the low penetration of SWP in Morocco, and (2) to study the design of a horizontal axis wind turbine for domestic applications in the Moroccan context by following the design requirements of the international standard of small wind turbines IEC 61400-2. The three most relevant barriers in Morocco are found to be in this order: a) the regulatory barrier, b) the technical barrier and, c) the financial and market barriers. Further, a proposed design of a 11 kW SWT power that would be the most in demand helps in identifying clearly the technical barrier. Within the list of components of this typical design, locally manufactured components are limited to the rotor, the main shaft, the nacelle cover and frame as well as the tower and the foundation. The total cost associated to these components is very low compared to the other imported components in the wind turbine assembly. The constraint of designing a 11kW SWT’s economic viability can therefore only be fully satisfied if all components are locally produced.

Nacelle

10.1088/1742-6596/1618/4/042011

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Citations (0)