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السجلات المعروضة 21 -- 30 من 51
4-port MIMO antenna with defected ground structure for 5G millimeter wave applications
(
MDPI AG
, 2020 , Article)
We present a 4-port Multiple-Input-Multiple-Output (MIMO) antenna array operating in the mm-wave band for 5G applications. An identical two-element array excited by the feed network based on a T-junction power combiner/divider ...
Engineering students' readiness to transition to emergency online learning in response to COVID-19: Case of Qatar
(
Modestum LTD
, 2020 , Article)
This study examined engineering students' initial readiness to transition to emergency online learning in response to COVID-19 in Qatar. A theoretical framework is proposed for understanding the factors influencing students' ...
Data of the design of solar assisted district cooling systems
(
Elsevier
, 2020 , Other)
The collected datasets are relevant and related to Optimization of Design and Operation of Solar Assisted District Cooling Systems [1] paper. Part of the data is collected on the main and common components of the system. ...
Optimization of design and operation of solar assisted district cooling systems
(
Elsevier
, 2020 , Article)
The demand for air conditioning and cooling services is rapidly increasing worldwide. As cooling demand has high coincidence to occur in countries with high solar irradiation, the combination of solar thermal energy and ...
Finite Element Analysis of the Mechanism of Traumatic Aortic Rupture (TAR)
(
Hindawi Limited
, 2020 , Article)
As many as 80% of patients with TAR die on the spot while out of those reaching a hospital, 30% would die within 24 hours. Thus, it is essential to better understand and prevent this injury. The exact mechanics of TAR are ...
Investigation of the Effect of the Force-Frequency on the Behaviour of a New Viscous Damper for Railway Applications
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The primary purpose of this work is to experimentally investigate the damping
coefficient of a viscous damper, intended to be used in railway applications to reduce
noise emission. The viscous shock absorber used in this ...
The Investigation of an Efficient and Effective Proactive Pipeline Integrity System
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Qatar Univesrity Press
, 2020 , Conference Paper)
In this paper, we propose the investigation of an efficient and effective proactive pipeline
integrity system that uses multi-sensors for monitoring and inspection of the pipeline.
Although the focus is on the pipeline, ...
Estimation and measurement of effective line mobility on a non-deterministic thin plate excited by a piezoelectric patch
(
EXTRICA
, 2020 , Article)
This paper derived the expression to estimate the effective line moment mobility of a non-deterministic thin plate under moment excitation by a piezoelectric patch actuator. The piezoelectric patch actuator is assumed to ...
Investigating the effect of the air inlet temperature on the combustion characteristics of a spark ignition engine fueled by biogas
(
Wiley-Blackwell
, 2020 , Article)
This work has conducted a numerical study using AVL-Boost engine simulation utilizing biogas (CH4 and CO2)–air mixtures in a SI engine model. The effect of varying the air manifold temperature from 25 to 50°C on the ...
Tools and Techniques for Food Security and Sustainability Related Assessments: A focus on the Data and Food Waste Management System
(
IEOM Society International
, 2020 , Conference Paper)
Achieving global food security requires addressing series of challenges, from food waste accumulation in the food
supply chain (FSC) to tackling the gender disparities and climate-related concerns to promote sustainable ...