الفئة: الهندسة

98 الهندسة

دراسة مقارنة للطلاب وأعضاء هيئة التدريس حول أهمية الأهداف التعليمية للالتحاق بالهندسة الكهربائية pdf

El-Khozondar, I. J. El-Khozondar, H. J.
2018-11

ملخص الدراسة: Educational institutions play an important role in preparing students to serve their society. In order to prepare them properly, it is necessary to identify the desired goals to facilitate the graduatesto beconstructive elements in theirsociety. The aim of this study is to compare the opinions of second-year electricalengineering students, and the views of […]

124 الهندسة

تقدير السمات الحيوية الناعمة باستخدام تحويل Shearlet و Waveatom مع ثلاثة مصنفات مختلفة pdf

El-Samak, Ahmad Fouad Alhanjouri, Mohammed A.
2019-03

ملخص الدراسة: The goal is to find the best feature extraction, which performs the smallest feature vector length and gives the highest performance. In this paper, we proposed a methodology to extract effective features from facial images using two multiresolution transforms; waveatom and shearlet, for estimating gender, ethnicity, facial expression and age. Three classifiers used […]

128 الهندسة

محاكاة الأداء وقياسات الإخراج من العاكس الكهروضوئية للخلايا الضوئية pdf

Tan Wei Yen, Jim El-Khozondar, Hala J. Koch, Alexander W
2019-03

ملخص الدراسة: In photovoltaics(PV) system, the Balance of System(BOS) describes the components that are connected to the_x000D__x000D_ PV Array which made up a PV system. In a grid-connected system, the PV inverter is a major part of the BOS. It takes the DC power produced from the PV Array and converts it into AC power. […]

133 الهندسة

إعادة تلخيص ودراسة مقارنة لتقنيات تتبع القدرة الفلطائية الضوئية القصوى في جودة المستشعر pdf

El-Khozondar, Hala J. yong, Lee Jun Koch, Alexander W
2019-03

ملخص الدراسة: In this study, a review on several maximum power_x000D__x000D_ point tracking (MPPT) algorithms is given. MPPT algorithms_x000D__x000D_ have three major categories: Conventional methods, Advanced_x000D__x000D_ Soft Computing methods and Hybrid algorithms. MPPT_x000D__x000D_ algorithms are significant to operate the photovoltaic energy_x000D__x000D_ conversion systems as close as possible to the MPP resulting in_x000D__x000D_ photovoltaic (PV) arrays […]

133 الهندسة

دراسة مسحية لاستخدام الطاقة الشمسية في المنزل من قبل العاملين في مجمع الشفاء الطبي في قطاع غزة pdf

El-Khozondar, Hala J. F., El-Batta Fady
2018-11

ملخص الدراسة: Providing residences of Gaza with electric power for 24 hours/day is one of the keyproblemsthat facing decision-making bodies in energy sector. Most recently, residence in Gaza started to adopt solar energy system as a replacement or as a complementary to the current energy sources.In this paper, we present a survey results that measures […]

108 الهندسة

تصميم مستشعر معامل الانكسار ذي الأبعاد باستخدام دليل الموجات البلورية الضوئية الثلاثية لتطبيقات عينات دم البلازما pdf

El-Khozondar, Hala J. Mahalakshmi, Perumal El-Khozondar, Rifa J. Ramanujam, Nambi R Amiri, I. S. Yupapin, P.
2019-07

ملخص الدراسة: One dimensional ternary photonic crystal based refractive index sensor is numerically proposed for the blood plasma sensing applications. It is achieved by introducing the defects or cavity cell, where the blood samples are infiltrated and surrounded by the graphene layers at the middle region of the ternary structures. Introduction of the graphene layer […]

128 الهندسة

تصميم بلورة ضوئية أحادية البعد قائمة على عيوب مع مكونات مواد فائقة التوصيل لتطبيقات الاستشعار الحيوي pdf

Ramanujam, Nambi R El-Khozondar, Hala Vigneswaran, Dhasarathan Taya, Sofyan A. Aly, Arafa
2019-11

ملخص الدراسة: A novel biosensor based on 1-D defect photonic crystal is suggested to be consisting of alternate layers of SiO2_x000D__x000D_ and Air. At the middle, there exists a cavity layer encapsulated with a composite layer of superconducting and_x000D__x000D_ dielectric materials. The blood samples are infiltrated in the cavity. The sensitivity is calculated at different_x000D__x000D_ […]

120 الهندسة

الطاقة الشمسية كبديل للطاقة التقليدية في قطاع غزة: دراسة قائمة على الاستبيان pdf

El-Khozondar, Hala J. El-Batta, Fady
24-01-18

ملخص الدراسة: Solar energy system is currently used in Gaza Strip as a replacement source or complementary source to the traditional source of energy. How-ever, using solar energy is happening without any planning or clear vision. Gaza Strip is supplied by electricity from three main sources: Egypt, Israel, and local electricity plant in GazaStrip. However, […]

109 الهندسة

آلية تبديل لنظام الطاقة الهجين خارج الشبكة (الرياح الضوئية) مع بطارية تخزين pdf

El-Khozondar, Hala J. Zainuddin, Siti Zafarh Bte Koch, Alexander W
2019-03

ملخص الدراسة: This work describes a modelling and simulation of_x000D__x000D_ the switching mechanism of an off-grid hybrid power system. An offgrid_x000D__x000D_ system means that it is not connected to an electricity grid or_x000D__x000D_ network. An off-grid power system is important especially at_x000D__x000D_ catastrophe times and war where it is hard to get electricity from a_x000D__x000D_ […]

155 الهندسة

تنفيذ حركة المصنّع إلى مختبر الطاقة المتجددة: دراسة حالة لنموذج الطاقة الضوئية للتتبع التلقائي pdf

Al Afifi, Rafat Pfeifer, Christoph El-Khozondar, Hala
2019-03

ملخص الدراسة: Maker-based education as well as research is a novel way to build self-designed tools on reasonable costs to perform tests with new methods and technologies. The application of maker movement (e.g. 3D printing, microcomputers, etc.) is future oriented and sustainable especially for renewable energy engineering which has to compete with cheap fossil sources […]