investigation and prediction models of the axial

T1 - Theoretical and experimental investigation of spindle axial drift and its effect on surface topography in ultra precision diamond turning AU - Wu Quanhui AU - Sun Yazhou AU - Chen Wanqun AU - Chen Guoda PY - 2017/5 Y1 - 2017/5 N2 - In ultra-precision diamond turning (UPDT) the spindle axial drift directly affects the machining 2015-10-22Aerodynamic Investigation and Optimization of a 5-Stage Axial Flow Compressor Yin Song1 Chunwei Gu1 Xiaotang Li2 under-prediction of the corrected mass flow rate by the throughflow code and a better prediction by the CFD that it is based on efficient correlation models and empirical data [1] Nevertheless the dependency on

Erosion Prediction in Turbomachinery Resulting from

2019-10-24Investigation on particle motions and resultant impact erosion on quartz crystals by the micro-particle laden waterjet and airjet Powder Technology Vol 360 A large eddy simulation study of cyclones: The effect of sub-models on efficiency and erosion prediction

2014-8-26A multidisciplinary optimization to simultaneously enhance the aerodynamic and aeroacoustic performance of an axial-flow fan was performed Flow analysis through the axial-flow fan was conducted by solving three-dimensional steady and unsteady Reynolds-averaged Navier–Stokes equations with the shear-stress transport turbulence model

2018-8-1Experimental investigation and numerical prediction on creep crack growth behavior of the solution treated Inconel 625 superalloy reflecting that the multi-axial creep performance parameter For the finite element models of different initial crack lengths different widths the element type

2019-7-23Investigation of the axial thrust load using numerical and experimental techniques during turbocharger operation In-Beom Lee Seong-Ki Hong and Bok-Lok Choi Proceedings of the Institution of Mechanical Engineers Part D: Journal of Automobile Engineering 2017 232 : 6 755-765

Therefore due to the large sagittal angle of the C5-C6 joint to the axial force vector it is suggested that the median values of the C3-C4 and C4-C5 joints' axial and shear viscoelastic parameters estimated in this study should be used across cervical spine joints in multibody models investigating impulsive axial impacts to the head

ANALYSIS OF THE ENERGY ABSORPTION

2016-7-2224 Galib DA Limam A Experimental and numerical investigation of static and dynamic axial crushing of circular aluminum tubes Thin-Walled Structures 2004 42(8): 1103-1137 25 Zhang XW Tian QD Yu TX Axial crushing of circular tubes with buckling

An investigation of the influence of various operational parameters in a driveability study is conducted A variety of axial capacity approaches (IC-05 UWA-05 and Fugro-05) are assessed in unmodified and modified form to appraise their ability to be used in estimating the driveability of open-ended steel

2019-7-23Investigation of the axial thrust load using numerical and experimental techniques during turbocharger operation In-Beom Lee Seong-Ki Hong and Bok-Lok Choi Proceedings of the Institution of Mechanical Engineers Part D: Journal of Automobile Engineering 2017 232 : 6 755-765

Abstract: This paper conducts a study on the empirical and semi-empirical models for performance prediction of multi-stage axial compressors based on a streamline curvature code By verifying and integrating the models in literature a matching loss calculation module is set up and the endwall loss model is improved

This paper focuses on the applicability of numerical prediction of sound radiation caused by an axial vehicle cooling fan To investigate the applicability of numerical methods a hybrid approach is chosen where first a CFD simulation is performed and the sound radiation is calculated in a second step

Abstract: A series of numerical models are generated to investigate the flow characteristics and performance of an axial blood pump The pump model includes a straightener an inducer–impeller and diffuser Numerical studies of the effects of angular alignment of the inducer and impeller blades and the axial clearance gap between the inducer and impeller are presented in this article

2014-3-3The axial- and radial short-circuit forces in rated condition are analyzed by using the proposed FE models such as the simplified and detailed models respectively as shown in Fig 3 The detailed model results obtained at center leg V CONCLUSION In this paper an efficient numerical investigation

Surrogate models based on machine learning methods can solve the nonlinear issues such as the problem in through-flow calculations This work aims to build surrogate models from experimental data of a certain transonic axial compressor to calculate total pressure loss and deviation angle of airfoils instead of using conventional empirical models

Investigation of the Applicability of Numerical Noise

This paper focuses on the applicability of numerical prediction of sound radiation caused by an axial vehicle cooling fan To investigate the applicability of numerical methods a hybrid approach is chosen where first a CFD simulation is performed and the sound radiation is calculated in a second step

2020-8-9Based on Shear Stress Transport (SST) turbulence model for unsteady simulation of an axial-flow fan this paper studies the time-frequency information in the hump region and investigates the disturbance information of spike and modal wave under different flow coefficients based on continuous wavelet transform (CWT) The results show that before the hump point the low-frequency modal wave

The full flow field numerical simulation of the axial-flow pump model is carried out to predict the pump performance based on RNG k-ε model and SIMPLE algorithm and the method of calculating head and efficiency The numerical results show that the head and efficiency prediction curves have a good agreement with the experimental results

Investigation of Losses Prediction Methods in 1D for Axial Gas Turbines Dahlquist N Adrian Department of Energy Sciences Mark Abstract A brief description of the physical flow phenomena in a blade row that creates losses in an axial gas turbine and correlations to estimate these losses in

2015-10-22Aerodynamic Investigation and Optimization of a 5-Stage Axial Flow Compressor Yin Song1 Chunwei Gu1 Xiaotang Li2 under-prediction of the corrected mass flow rate by the throughflow code and a better prediction by the CFD that it is based on efficient correlation models and empirical data [1] Nevertheless the dependency on

2018-6-21theory for proper prediction based on affected cutting conditions Forces exerted on tool in three directions (i e in cutting radial and axial directions) draw specific attention Here models of cutting forces are developed based on effect of variable cutting speed feed and different nose radius of

2014-3-3The axial- and radial short-circuit forces in rated condition are analyzed by using the proposed FE models such as the simplified and detailed models respectively as shown in Fig 3 The detailed model results obtained at center leg V CONCLUSION In this paper an efficient numerical investigation

Investigation of Losses Prediction Methods in 1D for Axial Gas Turbines Adrian N Dahlquist Thesis for the Degree of Master of Science Division of Thermal Power Engineering Department of Energy Sciences Faculty of Engineering LTH Lund University P O Box 118 SE – 221 00 Lund Sweden ISRN LUTMDN/TMHP—09/5183—SE ISSN 0282-1990

The axial and lateral strain were studied to evaluate the axial strain relation and the lateral strain for axial compression The results of this investigation present a comparison between the nine models previously reported for normal strength concrete and the lesser-known context of low strength concrete confined by fiber reinforced polymer