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Reciprocating engines

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Published: 01 January 1997
Fig. 11 Examples of CFD for in-cylinder processes reciprocating IC engines. (a) Instantaneous computed and measured induction flow at piston bottom-dead-center for a port and chamber configuration yielding weakly structured in-cylinder flow ( Ref 74 ). (b) Instantaneous computed and measured More
Image
Published: 01 January 1990
Fig. 1 Indium-plated crankshaft bearing for a high-performance reciprocating engine. The indium is applied as an electroplate on a lead-bronze shell. Courtesy of Vandervel America, Inc. More
Image
Published: 01 January 2002
Fig. 25 Forged 4337 steel master connecting rod for a reciprocating aircraft engine that failed by fatigue cracking in the bore section between the flanges. (a) Configuration and dimensions (given in inches). (b) Fractograph showing inclusions (arrows) and fatigue beach marks More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006427
EISBN: 978-1-62708-192-4
... and applications. The examples shown are drawn mostly from the four-stroke reciprocating engine variety that comprises the great majority of IC engines. Engine Types Although early versions of the present-day internal combustion engine have been around for over a century, the basic principle of operation...
Image
Published: 31 December 2017
Fig. 11 Friction and wear test results of borided and unborided automotive engine tappets with a bench-top reciprocating wear apparatus. Test parameters: 1 GPa maximum contact pressure; 10W30 oil as a lubricant; test duration of 2 h, 300 rpm speed with 6 mm (0.250 in.) stroke length; and 100 More
Image
Published: 30 August 2021
Fig. 35 Forged grade 4337 steel master connecting rod for a reciprocating aircraft engine that failed by fatigue cracking in the bore section between the flanges. (a) Configuration and dimensions (given in inches). (b) Fractograph showing inclusions (arrows) and fatigue beach marks More
Image
Published: 01 January 1989
Fig. 34 Die cast engine block that was honed with gray iron bearing caps in place, and honing tool that was used (bottom). Dimensions in figure given in inches Speed, at 900 rev/min, m/min (sfm) 190 (620) Spindle reciprocation rate, strokes/min 60 Hone speed, m/min (sfm) 21 (70 More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006371
EISBN: 978-1-62708-192-4
... differential that must be maintained at different parts of their body. Seals may be stationary, as in gaskets, or moving, as in engine piston rings. If there is motion between a seal and the surface it seals (e.g., rotary or reciprocating), the seal is classified as dynamic, otherwise as static. Examples...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005668
EISBN: 978-1-62708-198-6
... discusses various in vivo environmental conditions in tribological tests. Some typical examples of biomaterials testing are also provided. biomaterials electrical contact resistance friction coefficient linear reciprocating motion orthopaedic coatings pin-on-disk method tribocorrosion...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006429
EISBN: 978-1-62708-192-4
... in size and mass compared with electric motors and internal combustion engines of the same power (v) based on item (ii), the concept of hydrostatic lubrication is ease of application to the sliding parts. Piston type machines are superior to the other types. Fig. 1 Limits of operation of hydraulic...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002153
EISBN: 978-1-62708-188-7
... and operators are skilled, parts can be honed successfully on a drill press or an engine lathe, on which arrangements can be made for simultaneous rotating and reciprocating motions. Vertical drill presses have often been used to drive honing tools. The tool is mounted in the chuck, and the workpiece...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003014
EISBN: 978-1-62708-200-6
... related to thermoplastic structural-foam injection molding. injection mold design injection molding process controls reciprocating-screw injection molding machine structural-foam injection molding thermoplastic injection molding thermoplastic molding compounds thermoset injection molding...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003016
EISBN: 978-1-62708-200-6
... design engineering thermoplastics material distribution mold materials parison programming BLOW MOLDING is emerging as one of the most important processing methods for engineering thermoplastics. Advances in machinery, engineering thermoplastics, and part design engineering are responsible...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003408
EISBN: 978-1-62708-195-5
... Disadvantages Data required Hand cutting using templates Low Uncomplicated, low maintenance Slow and inaccurate Ergonomically undesirable Requires the creation, maintenance, and storage of templates Patterns reverse-engineered off of tooling Automated reciprocating blade Moderate to high Multiple...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003484
EISBN: 978-1-62708-195-5
..., particularly in smaller engines, can be reduced. In addition, lower reciprocating loads should lead to lower loads on the crankshaft and lower friction losses, and increased fuel economy or performance can be realized ( Ref 1 ). In fact, it has been stated that for every 1 kg (2 lb) of weight removed from...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002443
EISBN: 978-1-62708-194-8
... rod is shown in Fig. 24 . A connecting rod is a link that transmits power from the piston to the crankshaft. The rod rotates at its lower end and reciprocates at its upper end. For this reason, engineers are especially concerned to obtain a minimum weight design of the upper end of the rod...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
... Abstract The success of a reliable non-destructive evaluation (NDE) application depends greatly on the expertise and thoroughness of the NDE engineering that is performed. This article discusses the general considerations of NDE in terms of NDE response and NDE system management and schedule...
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... surface fatigue. Impact wear may also occur in combination with sliding wear, as in the case of a type face striking the surface of a moving printer ribbon or when the tip of a jet engine turbine blade impacts and rubs on its surrounding shroud. Multibody impact wear can be further broken down...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006681
EISBN: 978-1-62708-213-6
... as a routine in the modern instruments. Therefore, users can focus on the materials characterization task itself rather than on the complex operations of the electron microscope. However, materials scientists and engineers are often challenged to improve existing characterization schemes and to develop new...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... in an engineered component. Using a typical reciprocating hammer impact wear apparatus, Slatter et al. ( Ref 36 ) generated impact wear scars on small disc-shaped specimens 50 mm (2 in.) in diameter and 10 mm (0.4 in.) thick, all made from CGI of the same composition. The surface of each specimen was ground...