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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
... The main point about the velocity ratio, η, is that, on the one hand, it combines the results of fluid dynamics computations with those from solid mechanics considerations, and, on the other hand, it relates uniquely to the final properties of the coating. Thus, the initial materials and process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... volume based 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...
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
... 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 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 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...
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
... 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... service or operation, improper maintenance, improper testing, assembly errors, fabrication or manufacturing errors, and design errors. The case of the Tacoma Narrows Bridge collapse is presented to illustrate the consequence of overlooked factors, in this case, wind dynamics, and the importance of...
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 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
..., thermogravimetric analysis, thermomechanical analysis, and dynamic mechanical analysis. The article also discusses various analytical methods used to characterize the molecular weight distribution of a polymeric material. It provides information on a wide range of mechanical tests that are available to evaluate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... Simulation of Simultaneous Forming and Quenching,” Division of Computer Aided Design, Department of Mechanical Engineering, Lulea University of Technology , Sweden , 1999 7.19 Koistinen D.P. and Marburger R.E. , A General Equation Prescribing the Extent of the Austenite-Martensite...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
.... These films are used in electronics and the like where excess lubricant could be a contaminant. Most people are familiar with liquid lubricants since all automobile owners deal with oil changes on their vehicles. The ultimate fluid film lubrication from the friction standpoint is hydrostatic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410009
EISBN: 978-1-62708-280-8
... microstructures, and for product testing on test stands (also known as bench testing .) Both the product designer and casting engineer quantify the mechanical properties on test bars machined out of the high-stress locations in the castings. The product designer oversees the dynamic test-stand testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... “tachometer” for the facility, showing in real-time when processes go awry and prompting remedial action before substantial damage occurs. Internal corrosion in natural gas pipelines is a complex phenomenon requiring thermodynamic, electrochemical, and fluid dynamic analyses and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... 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 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... 320 keV without intensifying screens and about 1 MeV with intensifying screens. Nevertheless, fluorescent screens can provide an unlimited field of view, while image intensifiers have a field of view limited to approximately 300 mm (12 in.). The dynamic range of systems with fluorescent screens can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
... Supra Alloys, Inc. , Camarillo, CA , www.supraalloys.com 13.16 American Machinist , www.americanmachinist.com 13.17 “Facts about Machining Titanium,” RMI Company Factors affecting the machinability of metals include tool material, tool geometry, cutting fluid, machine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... , p 435 – 569 10.1016/B978-0-12-703780-6.50010-9 91. Keenan J.D. , “ Structure and Dynamic Mechanical Properties of TGDDM/DDS Epoxy, Graphite Fibers, and Their Composites, ” M.S. thesis, University of Washington, 1978 92. Chu H.S. , “ Processing-Structure-Property Relations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... motion; in other words, the static coefficient of friction , μ s , is usually somewhat greater than the dynamic or kinetic coefficient of friction , μ k . A body of weight W on a flat surface will begin to move when the surface is tilted to a certain angle termed the friction angle , θ, as...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500051
EISBN: 978-1-62708-317-1
.... Another drawback of this approach is that the computational time of a simulation increases quadratically with an increase in element number. This numerical discretization is recommended mainly for bulk metal forming processes. For sheet metal forming, explicit (dynamic) models are appropriate. A...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... 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 regulate the ram speed with respect to forming pressure or product...