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Guyh Dituba Ngoma

Researcher at Université du Québec

Publications -  23
Citations -  168

Guyh Dituba Ngoma is an academic researcher from Université du Québec. The author has contributed to research in topics: Impeller & Centrifugal pump. The author has an hindex of 5, co-authored 20 publications receiving 148 citations.

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Heat flux and slip effects on liquid flow in a microchannel

TL;DR: In this paper, the combined effect of pressure-driven flow and electro-osmosis was taken into account, and the results demonstrate the influence of the slip coefficient, the heat flux and the pressure difference on flow velocity, local temperature and Nusselt number.
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Pressure gradient and electroosmotic effects on two immiscible fluids in a microchannel between two parallel plates

TL;DR: In this paper, a model of the flow of two immiscible fluids in a microchannel between two parallel plates was made, where the concept of pumping a nonconducting fluid using interfacial viscous shear stress was applied while taking into account the combined effect of the pressure gradient and electroosmosis.
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Numerical Investigation of a First Stage of a Multistage Centrifugal Pump: Impeller, Diffuser with Return Vanes, and Casing

TL;DR: Numerical investigation of a liquid flow in a first stage of a multistage centrifugal pump consisting of an impeller, diffuser with return vanes, and casing reveals that the selected parameters affect the pump head, brake horsepower, and efficiency in a strong yet different manner.
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Numerical Identification of Key Design Parameters Enhancing the Centrifugal Pump Performance: Impeller, Impeller-Volute, and Impeller-Diffuser

TL;DR: Numerical investigation of the effects that the pertinent design parameters, including the blade height, the blade number, the outlet blade angle, theBlade width, and the impeller diameter, have on the steady state liquid flow in a three-dimensional centrifugal pump reveal that the selected key design parameters have an impact on the centrifugal Pump performance describing the pump head, the brake horsepower, the overall efficiency.
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Flow distribution in an eight level channel system

TL;DR: In this article, a computational model was developed to predict and analyze flow behavior in an eight level channel system in a parallel configuration between two headers, where the combined effects of non-uniform heat flux distribution within the channel levels and in the channel system were accounted for.