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driving fluid flow

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Book Chapter

By Eren Billur
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400181
EISBN: 978-1-62708-316-4
... In an accumulator-drive press ( Fig. 12.12 ), the pumps are used to pressurize the accumulator(s). When hydraulic fluid is required at high pressure and flow rate, it can be supplied by the accumulator(s) within a very short time. By the next cycle, pump(s) have to pressurize the accumulator(s) back. Accumulators...
Image
Published: 01 April 2004
Fig. 1.16 Comparison between measured and predicted rates of spreading by molten solder. The large discrepancy arises because the models are based on fluid flow and do not take into account the metallurgical driving force for spreading. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400203
EISBN: 978-1-62708-316-4
... cylinders are connected to an accumulator. During the forming process, the deflection of the press system by higher forming forces results in small retraction of the drive link, which in turn decreases the applied BHF. The negligible link displacement due to elastic deflection is compensated by the fluid...
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
... of these operations shield the edges of the tools from the flow and the cooling effect of the cutting fluid, particularly in tapping. Drilling can be a difficult operation when done on difficult-to-machine materials. Drilling speeds are generally slower than those used for other operations because the cutting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
.... 6.23 ). Aside from its technological importance, the wavy bond is remarkable because of its very regular pattern. Bond zone wave formation is analogous to fluid flowing around an obstacle. When the fluid velocity is low, the fluid flows smoothly around the obstacle; above a certain fluid velocity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... and organic acids (e.g., hydrochloric, HCl, hydrofluoric, HF, formic, HCOOH, and others) that are injected down the well and into the formation to increase formation permeability for better flow of hydrocarbons. Some of these fluids are inherently corrosive; others are potentially corrosive only when...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050293
EISBN: 978-1-62708-311-9
... to overheating, plus cleaning if dirty or corroded. Care must be given to not overtorque. Flow and pressure switches should be checked for proper operation on a semiannual basis. Separate heat stations should also be monitored. Every five years protective devices such as water flow, water pressure, and door...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900111
EISBN: 978-1-62708-350-8
... and oxynitriding processes in the fluidized-bed furnace. It also explains how to operate the fluid bed for nitriding. The chapter provides a discussion on the measurement of the gas dissociation. fluidized-bed furnaces gas dissociation gas nitriding oxynitriding A FLUIDIZED-BED FURNACE SYSTEM can...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120079
EISBN: 978-1-62708-269-3
... Abstract This chapter discusses the factors that influence the cost and complexity of machining titanium alloys. It explains how titanium compares to other metals in terms of cutting force and power requirements and how these forces, along with cutting speeds and the use of cutting fluids...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
... of gear lbf/in. 2 E r Reduced modulus of elasticity lbf/in. 2 h min Minimum film thickness in. L min Minimum contact length in. n Pinion speed rev/min P Transmitted power hp q Oil flow rate gal/min S Average root-mean-square (rms) surface roughness μin...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... the ability of a fluid or semifluid to flow. The simplest test for liquids is to simply measure the time for a fixed volume of liquid to flow through a hole in the fixed-volume container (Zahn cup); this technique is also used for paints. Viscosity is really a measure of the internal friction of an oil...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940001
EISBN: 978-1-62708-302-7
... electrochemical corrosion circuit, using it to explain how electric potential differences drive the corrosion process and how corrosion rates vary in proportion to current density. The chapter concludes with a discussion on the importance of corrosion products, such as oxides and hydroxides, and how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400161
EISBN: 978-1-62708-316-4
...-point die cushions where each individual cushion can be controlled separately to optimize metal flow in the flange, between the die and the blank holder. Fig. 11.29 Schematic of a simple point servo-drive die cushion. Source: Ref 11.5 With the servo motors driving the hydraulic pumps...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
... . With further increase in air velocity, there is vigorous turbulence resembling bubble formation in a liquid. The solid particles within the bed start behaving as bubbles in a boiling liquid and assume the appearance of a fluid, known as a bubbling fluidized bed . Depending on the velocity of the combustion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390456
EISBN: 978-1-62708-459-8
... and extend the life of cutting tools based on the material of construction, the use of cutting fluids, and the means of lubrication. It presents various methods for evaluating workpiece materials, chip formation, wear, and surface finish in cutting processes such as turning, milling, and drilling. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410009
EISBN: 978-1-62708-280-8
... A rear suspension assembly, knuckle and control arms The upper and lower control arms are attached to a knuckle through ball joints. The control arm bosses are fitted with engineered bushings and mounted on the vehicle frame. The knuckle is fitted with bearings for the drive shaft to pass through...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200133
EISBN: 978-1-62708-354-6
... with radiographic inspection results. Their quick response and user friendliness are important factors in regards to Concurrent Engineering. Fluid Flow Simulation Another major consideration to the foundry engineer is that of designing mold filling methods that will minimize a large array of casting quality...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... and a spinning centrifugal motion to create a cross-current flow. The particles are separated by either mass or size. Automated particle size analyzers disperse the particles in a moving fluid. Signals proportional to the particle size are generated as the particle fluid passes through a detector. The most...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... viscosity oils like 5W20 are the norm. It has yet to be established if these lower viscosity oils reduce the system friction for a cam or wrist pin tribosystems in an engine, but they will reduce the attritious friction losses that depends only on viscosity. Viscosity is a fluid’s resistance to flow...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... to erosive wear. Grooving or Channeling of the Material This type of erosive wear is common in assemblies involving fluids (liquids or gases), where the design of the parts is such that the fluid flows faster or is changed in direction at certain locations. Examples are in pumps or impellers in which...