[PDF] Top 20 Numerical Modeling and Experimental Investigation of the Hydroentanglement Process

... the hydroentanglement process, multiple highly pressurized fine water jets are directed toward a fiberweb composed of initially loose fibers, which is supported by the forming ...the process the ... See full document

... here, modeling findings were compared with the experimental data obtained from catalytic reforming unit of Tehran refinery, ...between experimental data and modeling findings for octane number ... See full document

... MRR is a significant output in the EDD process due to its vital influence on the engineering economy. Higher MRR values indicate greater amounts of material removal per unit time. The results of MRR for circular ... See full document

... efficient experimental design tools that test combinations of causes and helps to optimize a process and determine factors that influence ...different process parameters, a larger signal to noise ... See full document

... computer numerical control, better known as CNC and is commonly used with many other types of machine tools besides the ...turning process can be of different types such as straight turning, taper turning, ... See full document

... Also, numerical methods are used to verify laboratory results ...of modeling strong and weak discontinuities within a standard finite element ...allows modeling the domain without explicitly meshing ... See full document

... Aerodynamics is the study of solid body moving through the atmosphere and interaction which takes place between body surface and surrounding air with varying relative speeds and wind direction. Aerodynamic drag is not ... See full document

... The specimen in this study was fabricated using a specially designed filament winding machine designed and built in Tarbiat Modares University as shown in Fig. 1. This machine executes a continuous procedure to fabricate ... See full document

... pressure force was generated using 5.5% of the rated torque of the motor M1. Thereafter, at time instant t = 3.5 s a step change of the angular speed of the motor M2, and consequently of the sliding speed, was done: from ... See full document

... In order to simulate Set A of the tests, the 2D Gaussian heat source as developed by Pavelic et al. [22] (Fig. 8a) was adopted to create the thermal field induced by the welding process. The choice of the 2D heat ... See full document

... comparing experimental and analytical ...the process parameters of headstock load, compression amount, feed rate, and roll shape on the geometric ...the process variables on the geometric ... See full document

... paper, numerical and experimental methods have been used to study deep drawing of two- layer and single layer sheets in square section by numerical method that has been ...of numerical study ... See full document

... M. W. Hyer also used strain energy theories and vir- tual work formulation to predict the post cure displace- ments and curvatures of the laminate [3,5]. These meth- ods were evaluated using various types of lay-ups and ... See full document

... power meter was used to measure power. The short wave length of Nd: YAG laser light (1064nm) is more effective on heating sheet metal because more energy is absorbed by metallic surfaces. The investigation is on ... See full document

... With different injecting velocities at the flushing inlet, the 20 sediments distribution in the ballast tank is investigated and the energy consumption 21 of the circulating pump is stud[r] ... See full document

... Experimental research on the dynamics o f the Rolamite-type mechanism with vibrating elements was done in three directions: research on the dynamic processes running in the RTM roller-band system; research on the ... See full document

... For the numerical analysis needs, tools shape was determined by graphic method based on en- velope theory, which was described by e.g. Iva- nov and Nankov [4]. This method is also applied for designing tools for ... See full document

... Chapter 4 72 hullform during water impacts. In contrast to previous model drop tests these experiments were conducted using a full three-dimensional catamaran model rather than two-dimensional sections, and with a ... See full document

... The intensive development of measuring methods and the large number of experimental re- sults available, has enabled the numerical modelling of cavitational flows. The models are based on multi- phase-flow ... See full document

... 8. Weidong Zhou, Zhimei Zhao, T. S. Lee, and S. H.Winoto, Investigation of Flow Through Centrifugal Pump Impellers Using Computational Fluid Dynamics. International Journal of Rotating Machinery, 9(1): 49–61, 2003 ... See full document