The following thesis consists of a deep research about using renewable energy resources for hydrogen production under Algerian climate on one side, and in different climatic conditions on the other side. The obtained results ...

Corona discharge is widely used not only to modify the physical characteristics of dielectric materials surfaces, but also as a charging technique for the granular mixtures in view of their electrostatic separation. ...

Today, in a dynamic and competitive environment, establishing a maintenance strategy to significantly track and improve the performance measures of systems become a strategic necessity for most industries. As a static ...

To develop methodologies to improve the quality of repairs, which leads to durable repair, it is necessary all components of repaired system must be considered. The choice of repair material must be compatible with the ...

This thesis work is part of a study of a heterojunction bipolaire phototransistor (HPT) NPN InP/InGaAs. The phototransistor is modelled using a numerical method, and the results are presented and discussed. This model ...

The main objective of this thesis is to study three-dimensional thermoconvective transfers in impact and channel jets using single and hybrid nanofluids (binary and ternary hybrid nanofluids) of different types and shapes. ...

A communication system based on WDM wavelength division multiplexing technology is a better approach to achieve the optimal utilization of fiber capacity in order to increase the number of communication channels, research ...

This thesis presents a photovoltaic system connected to the grid via an active filter based on a three-phase three-level inverter. With this configuration, three advantages can be obtained, namely the elimination of the ...

In this work, an experimental study and analysis of the effects of environmental relative humidity (RH %) on the transport mechanisms of electrical charges in PI films have been presented. The evolution of the surface ...

The major challenge in the new emerging technologies like IoT and 5G is the obtention of available and enough spectrum resources for their transmissions. Hence, it becomes necessary to optimize the actual spectrum utilization ...