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Etude numérique des interférences des ondes de choc asymétrique: transitions (RR-MR) et phénomène hystérésis
L’étude analytique et la recherche expérimentale sur la réflexion des ondes de choc asymétriques (interférences RR - MR), dans les écoulements supersoniques stationnaires a été rapporté pour la première fois par, Li et al. [1]. Le but de ce travail…
Etude numérique de transition RR / MR dans l’interaction onde de choc / choc de compression
La présente étude s’intéresse à la fois au développement de la couche limite turbulente en écoulement supersonique sur une plaque plane, à la distance requise pour qu’elle envahisse toute la section de la plaque, ainsi qu’aux effets de la taille de…
Numerical investigation of turbulent gas flow in an over-expanded nozzle flows: hysteresis phenomenon and asymmetrical configuration
The flow in an Over-Expanded Nozzle is subjected to shock waves leading to the unsteady separation of the boundary layer. Free detachment may be followed by a restricted detachment. During the expansion regime in propellant nozzles, several physical…
Risk Assessment of a Gas Plant (Unit 30 Skikda Refinery) Using Hazop &Bowtie Methods, Simulation of Dangerous Scenarios Using ALOHA Software
Process plant and chemical processes are complex and large systems, consisting of thousands of devices interacting with each other [76][45]. The structure of this type of industrial plants lead to difficulties in process control, hence deviations…
Risk Assessment of a Gas Plant (Unit 30 Skikda Refinery) Using Hazop &Bowtie Methods, Simulation of Dangerous Scenarios Using ALOHA Software
Process plant and chemical processes are complex and large systems, consisting of thousands of devices interacting with each other [76][45]. The structure of this type of industrial plants lead to difficulties in process control, hence deviations…
Representation of the Female Character in ῞The SDF Trilogy῞ of Mohammed Moulessehoul-Yasmina Khadra
Discussing about the woman continues to generate interest. Especially in literature, a reflection of a so-called modern society, where evolution struggles to touch the human relations that remain problematic because of inequalities and injustices…
Representation of the Female Character in ῞The SDF Trilogy῞ of Mohammed Moulessehoul-Yasmina Khadra
Discussing about the woman continues to generate interest. Especially in literature, a reflection of a so-called modern society, where evolution struggles to touch the human relations that remain problematic because of inequalities and injustices…
Optimization of the Membership Functions for a Fuzzy Controller Using an Improved Genetic Algorithms
Fuzzy control is a practical alternative for a variety of challenging control applications since it provides a convenient method for constructing nonlinear controllers via the use of heuristic information; this is done through the application of the…
Design of Effective Control Schemes for Binary Distillation Columns
Distillation column is very important and high consuming energy equipment in oil refineries, such that 3% of the energy consumption in the world is allocated in distillation column. The fact that let controlling the distillation column an attractive…
Particle Swarm Optimization for tuning a Fuzzy Supervisory Controller Parameters (Takagi Seguno and Mamdani Engines)
Steam generation systems are a crucial part of most power plants. Therefore, boiler control is an important problem for power plants that are frequently changing load or subject to sudden load disturbances, which are common in current market driven…
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