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السجلات المعروضة 11 -- 20 من 21
First Hybrid 1gbps/0.1 Gbps Free-space Optical /rf System Deployment And Testing In The State Of Qatar
(
Hamad bin Khalifa University Press (HBKU Press)
, 2014 , Conference Paper)
I.BACKGROUND & OBJECTIVES Owing to its high-bandwidth, robustness to EMI, and operation in unregulated spectrum, free-space optical communication (FSO) is uniquely qualified as a promising alternative or complementary ...
Determining the Outdoor Air Ventilation with Carbon Dioxide (CO2) as a Tracer Gas
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Insufficient ventilation can lead to occupant complaints of discomfort and reduced productivity as human and building generated pollutants build up. Some combinations of these elevated pollutants may have short or long-term ...
Calibration & Temperature Controlled Setup for Air Quality Sensors
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Indoor air pollution is a major issue affecting public health. Due to hot climate, humidity and lack of natural green spaces, life is mostly confined indoors in many countries of the MENA region. Vulnerable population, ...
Environmentally Powered Smart Sensor Nodes in a Mesh Network Topology for Air Quality Diagnostic
(
Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Background & Objective: Air pollution is a major problem that has been recognised throughout the world for hundreds of years. In the middle ages, the burning of coal in cities released increasing amounts of smoke and sulphur ...
Hierarchical BaTiO3/NiFe2O4 nanocomposite as an efficacious photoanode for photoelectrochemical water splitting
(
Elsevier
, 2022 , Article)
Photocatalysis of water for the production of oxygen and hydrogen is one of the most important development in the drive for clean energy, and it has received a lot of attention because it is a green and easy step to generate ...
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
(
Elsevier
, 2022 , Article)
Both p-type and n-type bismuth telluride (Bi2Te3)-based thermoelectric materials demonstrate high thermoelectric efficiency in the low-temperature thermoelectric modules, but their constrained thermal and mechanical stability ...
Electrical equivalent circuit (EEC) based impedance spectroscopy analysis of HTM free perovskite solar cells
(
Elsevier
, 2020 , Article)
Monolithic perovskite solar cells (mPSCs) are the multi-layered organic-inorganic hybrid cells that have been focused due to the affordable cost, ease of fabrication, and noteworthy power conversion efficiency (PCE). In ...
Environmentally-Powered WSN for Urban-Scale Mapping and Assessment of Air Quality in Qatar
(
Qatar University Press
, 2020 , Poster)
Environmental monitoring has gained significant importance in outdoor air quality measurement and assessment for fundamental survival as well as ambient assisted living. In real-time outdoor urban scale, instantaneous air ...
Optimum sintering method and temperature for cold compact Bismuth Telluride pellets for thermoelectric applications
(
Elsevier
, 2021 , Article)
This work intends to investigate the optimum sintering method and temperature that can improve the efficiency of bismuth telluride cold compact pellets, for the thermoelectric applications. Different p-type and n-type ...
Case study to analyze the impact of multi-course project-based learning approach on education for sustainable development
(
MDPI
, 2020 , Article)
This work presents a multi-course project-based learning (MPL) approach implemented using two electrical engineering (EE) interdisciplinary undergraduate courses at Qatar University. Implementing an MPL approach helps in ...