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computational fluid dynamics

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460067
EISBN: 978-1-62708-285-3
... Principal Concepts and Methods Modeling of in-flight history of particles is largely based on computational fluid dynamics, including the heat transfer between gas and particle. It normally starts with the evaluation of the state of process gas at any given point within a convergent-divergent (de Laval...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... on the frequency of treatment and fluid production is an accepted procedure; inhibitor concentration is generally maintained at 25 to 35 ppm. Determination of the correct minimum overflush Selection of the proper inhibitor Automatic computer-controlled chemical injectors are available for batch...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320049
EISBN: 978-1-62708-332-4
..., solidification analysis, flow analysis Stress analysis of simpler-shaped, solidification analysis, flow analysis Finite Volume Method The finite volume method has applications in computational fluid dynamics, heat transfer, and chemical engineering simulations. The differential equations are based...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410009
EISBN: 978-1-62708-280-8
... performance) as the shape evolves through different iterations of functionality and manufacturability. The designer constructs a three-dimensional (3D) model, creates a finite element mesh, and applies the computed loads (for example, loads derived from vehicle loads) to the attachment points...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... designer will likely opt not to use them. Molecular dynamics became popular in about 2010 for modeling sliding couples at the atomic or molecular level. A few hundred atoms of member a are loaded on a similar number of atoms (or molecules) of member b , and banks of computers spend a week or so...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... are discussed. The chapter provides information on the procedures involved in the inspection of castings that are limited to visual and dimensional inspections, weight testing, and hardness testing. It also discusses the use of computer equipment in foundry inspection operations. casting defects castings...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
... be achieved through conventional machining methods, the mechanics of chip formation, the factors that affect tool wear, the selection and use of cutting fluids, and the determination of machining parameters based on force and power requirements. It also includes information on nontraditional machining...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250311
EISBN: 978-1-62708-345-4
..., even when precision gears are tested. Owing to the complexity of the situation, stresses for rig tests are computed making no allowance for dynamics. The fact that the dynamics of gear test rigs are not the same as real machines that use gears is a principal reason that bench testing and full-scale...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... a field of view limited to approximately 300 mm (12 in.). The dynamic range of systems with fluorescent screens can vary from 20 to 1 for raw images to 1000 to 1 with digital processing and a large number of frames averaged. Image Intensifier Tubes Image intensifier tubes are glass enclosed vacuum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
..., computed tomography, gamma-ray density determination, and ultrasonic techniques. density measurements dimensional evaluation hardness testing nondestructive evaluation powder metallurgy parts FABRICATED POWDER METALLURGY (P/M) parts are evaluated and tested at several stages during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... ( Ref 9 ). The first step in corrosivity determination is computation of the system pH, because it is the hydrogen ion concentration that drives the anodic dissolution. Further, the role of pH in promoting or mitigating CO 2 -based corrosion has been extensively chronicled ( Ref 18 – 21 ). For oil/gas...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... in Ref 1 to 14 . The initially oxygen-free geologic environment may be altered by a variety of oxygen-contaminated fluids that can be introduced. Examples are drilling fluids (often referred to as “muds”), which are used during drilling and maintenance of wells. These can include high-density clear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... with a flowing fluid or mobile phase and a solid, stationary phase. These methods can be divided into two major categories—gas and liquid chromatography—and subdivided further according to the type of stationary phase, as shown in Fig. 1 . Fig. 1 Classification of chromatographic techniques High...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780343
EISBN: 978-1-62708-281-5
... analysis, namely differential thermal analysis, thermogravimetric analysis, thermal-mechanical analysis, and dynamic mechanical analysis. The following sections provide details on X-ray diffraction for analyzing crystalline phases and on a minimal scheme for polymer analysis and characterization to assist...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860001
EISBN: 978-1-62708-348-5
.... Figure 1.13 Frequency distribution of copper computed from polycrystalline elastic constants using three lattice-dynamics models: Einstein, Debye, and Born—Brillouin. Figure 1.15 Temperature variation of bulk modulus (reciprocal compressibility) for six metals. Figure 1.16...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
... vary from those described here. Machinability Factors affecting the machinability of metals include tool material, tool geometry, cutting fluid, machine settings, and the properties of the workpiece material ( Ref 13.1 – 13.16 ). The machinability of a metal affects machining costs from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060231
EISBN: 978-1-62708-343-0
.... and Halford G.R. , Ed., American Society of Mechanical Engineers , 1994 , p 57 – 58 10.2 Newman J. et al. , “LaRC’s NASCRAC Computer Code for Cyclic Crack Propagation” 10.3 Manson S.S. , Fatigue: A Complex Subject—Some Simple Approximations , Exp. Mech. , Vol 5 (No. 7...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
... Abstract This chapter describes sheet metal forming operations, including cutting, blanking, piercing, and bending as well as deep drawing, spinning, press-brake and stretch forming, fluid forming, and drop hammer and electromagnetic forming. It also discusses the selection and use of die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500051
EISBN: 978-1-62708-317-1
... simulations Software Origin and company Code type ABAQUS-Standard HKS, USA Static implicit MARC MSC, USA NIKE3D LSTC, USA AUTOFORM-Explicit Autoform, Switzerland Static implicit (special) DYNA3D LSTC, USA Dynamic explicit PAMSTAMP ESI, France OPTRIS Dynamic Software...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... be limited to protect the tooling. It is not possible to exceed the set load, because a pressure-release valve limits the fluid pressure acting on the ram. Within the limits of the machine, the ram speed can be varied continuously at will during an entire stroke cycle. Adequate control systems can...