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9篇 您的检索式:作者名="Zrikem"
    题名 作者 年代 出处 被引量
1Theoretical study of a compositive trombe-michel wall solar collector system显示文摘Zrikem Z Bilgen E 1987Solar Energy1987,39,5:1
2Theoretical study of a compositive trombe-michel wall solar collector system 显示文摘Zrikem Z Bilgen E 1987Solar Energy1987,,5:1
3Variable neighborhood decomposition search for the optimization of power plant cable layout显示文摘M.-C. Costa F.-R. Monclar M. Zrikem 2002Journal of Intelligent Manufacturing2002,,5:1
4Simulation of coupled heat transfers in a hollow tile with two vertical and three horizontal uniform rectangular cavities heated from below or above显示文摘T. Ait-Taleb A. Abdelbaki Z. Zrikem 2014Energy & Buildings2014,,:1
5Theoretical study of a composite Trombe- Michel wall solar collector system显示文摘Zrikem Z Bilgen E 1987Solar Energy1987,39,5:1
6Simulation of coupled heat transfers in a hollow tile with two vertical and three horizontal uniform rectangular cavities heated from below or above显示文摘Ait-taleb T Aldelbaki A Zrikem Z 2014Energy and Buildings2014,84,:1
7Micropulse diode laser therapy in refractory glaucoma显示文摘Purpose:Description of safety and efficacy of micropulse lYanssderal cydophotocoagulation as a treatment option for refractory glaucoma.Mahods:This is a prospective study including 39 eyes of 31 patients foil owed for refractory glaucoma,who benefited from transsderal cyclophotocoagulation using a mic topi used laser.The main indication for tire pro­cedure was increased ocular pressure refractory to quadri therapy in various types of glaucoma.Ihe patients were tieated using iridex Cyclo G6 laser with a Micropulse P3 infrared probe with a wavelength of 810 nm.The pa­rameter for tire procedure were a duration of 90 s per hemisphere with a power of 2000 mW and an eneigy of 180 J.Both tire upper and lower hemispheres were treated in tire same procedure,sparing tire 3 o'clock and 9 o'clock meridians,and aD tire patients benefited from a single treatment session.The following parameters were evaluated;ocular pain and overall tolerance;visual acuity;and tire evolution of IOP postoperatively up to 9 months.Results:The glaucoma subtypes treated are as follows:primaty open-angle glaucoma(n=05),chronic angle-closure glaucoma(n=13),neovascular glaucoma(n=07),aphakic glaucoma(n=06),malignant glaucoma(n=04),post-traumatic angle recession(n=02),and inflammatoiy glaucoma(n=02).The mean pre-operative intraocular pressure was 42.3±5.2 mmHg and tire mean post operative intraocular pressure at 9 months was 16.9±1.9 mmHg The reduction in IOP was 49.9%.The average number of intraocular pressure-lowering medications used prior to surgery was four,and tire average number of medications used at tire 9-month post­operative visit was 2.0±1.2(703%of patients were on dual therapy).The overall success rate was 60.9%.Conclusions:Micropulse transsderal cydophotocoagulation appears to be a safe and effident treatment for re­fractory glaucoma.Its indications should therefore be broadened and proposed early in various situations.Moctar Issiaka Khalil Zrikem Adil Mchachi Leila Benhmidoune Rayad Rachid Mohamed EL.Belhadji Abdoul Salam Youssoufou Souley Abdou Amza 2023Advances in Ophthalmology Practice and Research2023,3,1:0
8Effect of Hole Configuration on Heat Transfer through a Hollow Block Subjected to Solar Flux显示文摘In this paper,some effort is provided to optimize the geometry of a concrete hollow brick(used in the construction of building roofs)in order to increase the related thermal resistance,thereby reducing energy consumption.The analysis is conducted for three different configurations of the hollow concrete bricks.Coupling of conduction,natural convection and thermal radiation phenomena is considered.Moreover,the flows are assumed to be laminar and two-dimensional for the whole range of parameters examined.The conservation equations are solved by a finite difference method based on the control volumes approach and the SIMPLE algorithm for velocity-pressure coupling.The results show that the aspect ratio affects neither the nature of the fluid flow nor the number of convective cells.However,the extension of the circulation cells increases with this parameter.Moreover,the cavities with a large aspect ratio lead to significant reductions in the heat transfer through the hollow block,these reductions reaching approximately 14%.Mourad Najjaoui Thami Ait-Taleb Abdelhalim Abdelbaki Zaki Zrikem Hassan Chaib 2022Fluid Dynamics & Materials Processing2022,18,5:0
9Coupled Conductive-Convective-Radiative Heat Transfer in Hollow Blocks with Two Air Cells in the Vertical Direction Subjected to an Incident Solar Flux显示文摘This work presents the results of a set of steady-state numerical simulations about heat transfer in hollow blocks in the presence of coupled natural convection,conduction and radiation.Blocks with two air cells deep in the vertical direction and three identical cavities in the horizontal direction are considered(typically used for building ceilings).Moreover,their outside horizontal surface is subjected to an incident solar flux and outdoor environment temperature while the inside surface is exposed to typical indoor environment conditions.The flows are considered laminar and two-dimensional over the whole range of parameters examined.The conservation equations are solved by means of a finite difference method based on the control volumes approach,relying on the SIMPLE algorithm for what concerns the coupling of pressure and velocity.The effects of the number of cells in the horizontal direction and the thermal conductivity on the heat transfer through the alveolar structure have been investigated.The results show that the number of holes has a significant impact on the value of the overall heat flux through the considered structure.Mourad Najjaoui Thami Ait-taleb Abdelhalim Abdelbaki Zaki Zrikem Hassan Chaib 2022Fluid Dynamics & Materials Processing2022,18,5:0
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