[PDF] Top 20 Simulation and experimental study of double holes film cooling

... have a detrimental effect on the film-cooling performance. Study of Schulz et al. [24] have shown that when the blowing ratio is high, the magnitude of the produced vortices are also increases ... See full document

... FRP is a compound made up of reinforced fibers of polymer matrix. The collection of FRP bars for depends on numerous matters according to structural point of view. Fiber plastics have various application due to its ... See full document

... liquid film on horizontal tubes have been employed in a wide variety of commercial ...thin film flowing around the ...falling film evaporation compared to vertical unit is reduction of liquid ... See full document

... air film cooling technology started being used to cool high-temperature components in aircraft engines in the ...numerical simulation method to verify the method of improving air film ... See full document

... an experimental study comparing three different types of film cooling ...better cooling air spread at near hole region thus enhanced the lateral coverage of film cooling ... See full document

... mist film cooling over flat surfaces or turbine airfoil surfaces with streamwise coolant injection (Takagi and Ogasawara, 1974; Mori, et ...mist film cooling is a promising and effective ... See full document

... Gas turbine, an internal combustion engine using air as working fluid, is widely used today in aircraft applications, power generation applications and other applications. According to Han et al. [1], in order to achieve ... See full document

... shaped film cooling holes and other cooling structures, it only requires easily machinable round ...round holes flow, and allow it to remain attached to the ...console ... See full document

... of cooling techniques have been developed. The active cooling is essential for the high operating system to maintain and decrease the high temperature while maintaining the temperature within safe ...of ... See full document

... presented experimental results of the study of temperature distribution inside a combustor simulator (Vakil et ...this study, a real large scale of combustor was ...different cooling panels ... See full document

... normal film cooling hole is, the hole exit will not be parallel to the mainstream flow direction, instead it will be inclined to associated compound ...on film cooling effectiveness and heat ... See full document

... of film cooling effectiveness from two rows of holes inclined with 30 o on a flat surface in case of in-line and staggered arrangements has been carried ...anti-vortex holes. The addition of ... See full document

... for cooling holes (30, 60, and 90 degree) with the same dimensions illustrated in [5], with three different mesh ...of film cooling, the model sensitivity to resolution begins to vanish at the ... See full document

... 95Al5Mg film obtained us- ing the new thermal spraying gun (new film) and ...(conventional film), indicating that the oxidation was sup- pressed in the film by the external nitrogen ...rapid ... See full document

... GDY film is studied by AFM tests and MD simulations in this ...GDY film is obtained by scanning electron microscope (SEM) and then its elastic modulus is measured to be ...GDY film occur, and the ... See full document

... respectively. Cooling effects of electrolyte fluid in laser machining and influences of uneven distribution of electrolyte conductivity in electrochemical machining are ... See full document

... , developed a mathematical model of direct evaporative cooler and presented experimental results of the tests with rigid cellulose media having area density of 370 m2/m3. The saturation efficiency relation is ... See full document

... with a Fourier method [5]. While the hybrid-Vlasov code is designed for solving the ion Vlasov equation in three spatial and three velocity dimensions, plus time, we here restrict the simulation domain to one ... See full document

... pre-assembly holes in the drilling area and their ideal values from CAD modules, we calculate the transformation matrix between two ...of holes along the line where two pre-assembly holes lie on ... See full document

... Above conclusion show that counter flow is better than parallel flow because the temperature difference in the counter-flow is higher than parallel flow. And by Solid works software on both parallel and counter-flow ... See full document