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Pressure tubes

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Published: 01 June 2016
Fig. 4.15 Typical arrangement of six-pack of high-pressure gas storage hydril tubes. Courtesy of Air Products and Chemicals, Inc. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270110
EISBN: 978-1-62708-301-0
... Abstract Helicopter control mechanisms were failing at a higher than normal rate on high-altitude flights in mountainous regions. All of the failures occurred at or near attachment points on pressurized tubes, causing a pressure drop and partial loss of function. Visual and SEM examinations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540001
EISBN: 978-1-62708-309-6
... on to analyze the stress state of load-bearing members, pressurized tubes, and pin-loaded lugs, accounting for the effect of geometric discontinuities, such as cutouts, fillets, and holes, as well as cracks. It also explains how finite element methods are used to solve problems involving complex geometric...
Image
Published: 01 August 2005
Fig. 3.61 Point of maximum stress concentration and maximum fretting in a pressurized tube fitting, with suggested possible fix More
Image
Published: 01 September 2011
Fig. 8.5 Test fixture for pressurized hoop-wound tube. Courtesy of A.O. Smith Co. Source: Ref 8.3 More
Image
Published: 01 August 2012
Fig. 2.28 Tube hydroforming with axial feed and internal pressure. Source: Ref 2.4 More
Image
Published: 01 December 2003
Fig. 1 Influence of pressure on the glow discharge. (a) A sealed glass tube containing a gas at normal atmospheric temperature and pressure (100 kPa, or 15 psi) conducts an electrical current. The gas glows brightly but does not release much usable energy. (b) At low pressure, for example More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460107
EISBN: 978-1-62708-285-3
... installation to supply both helium and nitrogen for cold spray processing. Here, helium is supplied from high-pressure tube trailers, and nitrogen is drawn from a liquid nitrogen tank, pressurized by a cryogenic pump and gasified in a high-pressure vaporizer. Fig. 4.11 Gas supply systems for cold spray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
... Abstract Tube hydroforming is a material-forming process that uses pressurized fluid to plastically deform tubular materials into desired shapes. It is widely used in the automotive industry for making exhaust manifolds, catalytic converters, shock absorber housings, and other parts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... Abstract Boiler tubes operating at high temperatures under significant pressure are vulnerable to stress rupture failures. This chapter examines the cause, effect, and appearance of such failures. It discusses the conditions and mechanisms that either lead to or are associated with stress...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390241
EISBN: 978-1-62708-459-8
... Abstract Drawing is a bulk deformation process that involves significant surface generation and high pressures. This chapter provides an overview of the mechanics and tribology of wire, bar, tube, and shape drawing. It presents important equations for calculating stresses, forces, friction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430017
EISBN: 978-1-62708-253-2
... picks up extra energy from hot flue gases flowing outside the tubing. Its temperature is now raised above the saturation temperature to a maximum value typically in the range of 530 to 570 °C (985 to 1060 °F) and pressure is raised to about 175 bar (2.5 ksi). This is ensured by making the saturated...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080437
EISBN: 978-1-62708-304-1
... in Fig. 17.5 . Large cracks were often found to show oxides formed on the surface of these cracks ( Fig. 17.5 ). The tube eventually ruptured from the internal fluid pressure. The locations that are often susceptible to hydrogen attack in the boiler are the burner zone and the bull nose area...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980001
EISBN: 978-1-62708-342-3
..., and the indirect extrusion process. Specific mention should be made of the invention of I. and C. Hanson, who, as early as 1837, were producing lead tubes from a solid billet through a multipart bridge die with a replaceable fixed pressure pad ( Fig. 1.6 ). Fig. 1.6 First bridge die by I. and C. Hanson...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... at relatively higher temperature in the creep range and they ensure heat transfer between the hot flue gases and the high-pressure steam passing through them. The economizer tubes act as a heat exchanger. They extract heat from the waste gases that exit the last SH or RH and utilize this heat to raise...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... and manganese are also found in small amounts in water. Natural water also contains gases such as oxygen, carbon dioxide, and hydrogen sulfide in dissolved form. For trouble-free operation and longer life of the tubes and other high-pressure parts, there are certain parameters of water chemistry...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390284
EISBN: 978-1-62708-459-8
... Abstract This chapter deals with the mechanics and tribology associated with the extrusion of bars, sections, and tubes. It covers direct and indirect extrusion processes in detail and demonstrates the use of important equations, relationships, and measurements for determining pressure, force...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
... water is then recirculated to waterwall tubes through downcomers. The downcomers and the waterwall tubes form the two legs of a water column. The steam collected in the upper half of the steam drum is separated and fed to primary and secondary superheaters to further raise its temperature and pressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... life assessment secondary superheater tube 8.1 Introduction A large number of coal-fired power plants are currently in operation worldwide and some are older than 30 years. One of the global problems faced by the power sector is the aging of its power plants, including aging of high-pressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370187
EISBN: 978-1-62708-447-5
... furnace pressurizes the top of the metal meniscus. The metal rises in the stalk tube (as shown by the arrow marks) into the mold cavity. A steel screen introduced into the stalk tube top prevents oxides from entering the mold cavity. After the mold is filled, pressure is increased to feed the shrinkage...