Search Results - "Omar, Ashraf A."

Interictal Electrocardiographic and Echocardiographic Changes in Patients With Generalized Tonic-Clonic Seizures by Ramadan, Mahmoud M., El-Shahat, Nader, Omar, Ashraf A., Gomaa, Mohamed, Belal, Tamer, Sakr, Sherif A., Abu-Hegazy, Mohammad, Hakim, Hazem, Selim, Heba A., Omar, Sabry A.

“…Partial and generalized seizures often affect autonomic functions during seizures, and interictal and postictal periods. We investigated possible interictal…”
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Passive drag reduction of square back road vehicles by Altaf, Alamaan, Omar, Ashraf A., Asrar, Waqar

“…Bluff body vehicles such as trucks and buses do not have a streamlined shapes and hence have high drag which can be reduced to make great savings in…”
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Comparison of data correction methods for blockage effects in semispan wing model testing by Haque, Anwar U, Asrar, Waqar, Omar, Ashraf A, Sulaeman, Erwin, Ali, Mohamed J.S

“…Wing alone models are usually tested in wind tunnels for aerospace applications like aircraft and hybrid buoyant aircraft. Raw data obtained from such testing…”
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Effect of differential spoiler settings (DSS) on the wake vortices of a wing at high-lift-configuration (HLC) by Elsayed, Omer A., Omar, Ashraf A., Asrar, Waqar, Kwon, Kijung

“…An experimental investigation has been carried out to evaluate the capabilities of differential spoiler setting (DSS) in modifying the wingspan loading. The…”
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A novel technique to neutralize the Yawing moment due to asymmetric thrust in a hybrid buoyant aircraft by Haque, Anwar U, Asrar, Waqar, Omar, Ashraf A, Sulaeman, Erwin, Ali, Mohamed J.S

“…Dorsal fin is used in swimming animals like shark for the generation of thrust as well as to meet the requirement of the lateral stability. In the case of…”
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Aerodynamics of porous airfoils and wings by Aldheeb, Mohammed, Asrar, Waqar, Sulaeman, Erwin, Omar, Ashraf A.

“…This paper presents novel wind tunnel test results on the aerodynamics of a symmetric thin porous airfoil and a porous rectangular half wing using a symmetric…”
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Effect of Side Wind on the Directional Stability and Aerodynamics of a Hybrid Buoyant Aircraft by Haque, Anwar U, Asrar, Waqar, Omar, Ashraf A, Sulaeman, Erwin, Ali, Mohamed J.S

“…Directional stability characteristics explain the capabilities of a hybrid buoyant aircraft’s performance against the side wind, which induces flow separation…”
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Errata: Interictal Electrocardiographic and Echocardiographic Changes in Patients With Generalized Tonic-Clonic Seizures by Ramadan, Mahmoud M., El-Shahat, Nader, Omar, Ashraf A., Gomaa, Mohamed, Belal, Tamer, Sakr, Sherif A., Abu-Hegazy, Mohammad, Hakim, Hazem, Selim, Heba A., Omar, Sabry A.

“…An error appeared in the article titled “Interictal Electrocardiographic and Echocardiographic Changes in Patients With Generalized Tonic-Clonic Seizures” by…”
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Effect of diamond shaped strut with cylindrical pitch rod in subsonic wind tunnel testing by Haque, Anwar U., Asrar, Waqar, Omar, Ashraf A., Sulaeman, Erwin

“…•Strut support system with fairing yields less drag.•The asymmetric pattern in wind tunnel data is independent of the profile of the main strut.•Separated flow…”
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Cambered profile of a California sea lion's body by Ul-Haque, Anwar, Asrar, Waqar, Omar, Ashraf A, Sulaeman, Erwin, Mohamed Ali, J S

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Numerical Study of the Effect of Spoiler Configuration on Wake Vortex Alleviation by Ludin, Hani B, Omar, Ashraf A, Asrar, Waqar

“…AbstractA numerical investigation was undertaken to evaluate the capabilities of a differential spoiler setting (DSS) in modifying the spanwise wing load and…”
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REVIEW OF PASSIVE DRAG REDUCTION TECHNIQUES FOR BLUFF ROAD VEHICLES by Altaf, Alaman, Omar, Ashraf A., Asrar, Waqar

“…This paper presents a review of the techniques used to reduce aerodynamic drag over bluff bodies such as cylinders, spheres, 2D bodies with blunt backs and…”
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Plasma levels of resistin and ghrelin before and after treatment in patients with hyperthyroidism by El Gawad, Soma Sherif Abd, El Kenawy, Fayez, Mousa, Amany A, Omar, Ashraf A

“…To investigate ghrelin and resistin concentrations in patients with hyperthyroidism before and after restoration to a euthyroid state and to correlate the 2…”
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Numerical Simulation of the Flapping Eagle, Owl and S1223 Airfoils by Omar, Ashraf A, Kurban, Adel, Jetlawi, Mohamed

“…In this study, the aerodynamic performance of the flapping owl, eagle and S1223 airfoils was investigated numerically using ANSYS Fluent commercial CFD code…”
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Evolution of NACA23012 Wake Vortices Structure Using PIV by Elsayed, Omer A, Asrar, Waqar, Omar, Ashraf A, Kwon, Kijung

“…The formation and development of a wing-tip vortex in a near and extended near field were studied experimentally. A swept-back tapered wing with a NACA23012…”
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Assessment of engine׳s power budget for hydrogen powered hybrid buoyant aircraft by U. Haque, Anwar, Asrar, Waqar, Omar, Ashraf A., Sulaeman, Erwin, Ali, J.S. Mohamed

“…It is well known that hydrogen has less undesirable exhaust emissions as compared with other types of liquid fuels. It can be used as an alternative fuel for a…”
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AEROSTATIC AND AERODYNAMIC MODULES OF A HYBRID BUOYANT AIRCRAFT: AN ANALYTICAL APPROACH by Ul Haque, Anwar, ASRAR, WAQAR, OMAR, ASHRAF A., SULAEMAN, ERWIN, ALI, MOHAMED J.S.

“…An analytical approach is essential for the estimation of the requirements of aerodynamic and aerostatic lift for a hybrid buoyant aircraft. Such aircrafts…”
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Numerical Investigations of low Reynolds number Aerodynamics of Bio-Inspired 3D wings by Boughou, Smail, Omar, Ashraf A., Boukharfane, Radouan, Elsayed, Omer A.

“…The silent flight of owls is a result of unique physical features and adaptations, which has been studied by both biologists and engineers to enhance the…”
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Soluble CD40 ligand, interleukin (IL)-6, and hemostatic parameters in metabolic syndrome patients with and without overt ischemic heart disease by El-Shahhat, Nader, Ramadan, Mahmoud M., El-Malkey, Nader, Omar, Ashraf A., Abd El-Aal, Ibrahim A., Eneen, Asmaa

“…Soluble CD40 ligand (sCD40L, also known as CD154) is a marker for platelet activation which could increase coagulation and inflammation. In this case-control…”
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Gender-specific association between carotid intima-media thickness and Reynolds risk score by Ramadan, Mahmoud M., El-Shahhat, Nader, Daoud, Eid M., Omar, Ashraf A., Bassam, Insaf

“…Appropriate assessment and prevention of cardiovascular (CV) disease is one of the most important medical tasks worldwide. Carotid artery intima-media…”
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