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gas stream pressurizing system

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Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... functions of an autoclave system, including pressure vessel, gas stream heating and circulation sources, gas stream pressurizing systems, vacuum systems, control systems, and loading systems. The article includes information about modified autoclaves for specialized applications and safety practices in...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003412
EISBN: 978-1-62708-195-5
.... It presents a discussion on the major elements of an autoclave system, namely, pressure vessel, gas stream heating and circulation sources, gas stream pressurizing systems, loading systems, and vacuum systems. The article describes a computerized approach to the simultaneous control of materials...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001483
EISBN: 978-1-62708-173-3
...-volume users of acetylene often install bulk trailers that hook up to manifold piping systems. When volume justifies, users may install acetylene-generating plants, thus reducing handling costs. Heat content of acetylene (kJ/m 3 , or Btu/ft 3 ) is lower than all gases except natural gas. Although...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005175
EISBN: 978-1-62708-186-3
... moderate gas flow rate between the source of gas and its entry into the cutting torch to deliver gas to the cutting apparatus at the required operating pressure. Gas enters the regulating device at a wide range of pressures. Gas flows through the regulator and is delivered to the hose-torch-tip system at...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001372
EISBN: 978-1-62708-173-3
... nozzle. (7) Mixer orifice and mixing chamber In the injector mixing chamber, low-pressure fuel gas is aspirated by directing it into a high-velocity stream of oxygen. A nozzle system based on the flow principles of the venturi tube is used. Injector torches are useful when fuel gases are supplied...
Book Chapter

By Volker Heuer
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005770
EISBN: 978-1-62708-165-8
... thermochemical treatment are performed in specific treatment chambers. For both types, an integrated high-performance fan is used to circulate the gas via suitable gas-guiding systems through the hot load. The installed motor power for the gas fan is derived from the targeted gas velocity, the targeted gas...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003699
EISBN: 978-1-62708-182-5
... are explained by the varying characteristics of oil wells and gas wells. Water injection systems and pipelines are also discussed. The article describes the factors that influence the corrosivity of produced fluids and the various treatments applicable for oil, gas, and pumping wells. It examines the...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001747
EISBN: 978-1-62708-178-8
... the detection section. Figure 3 illustrates a typical inert gas fusion system. During fusion of the sample, the referenced flow line is directed through the furnace; the flow line used during preanalysis is stopped until the next degas stage. Constant pressures and flows are used in inert gas fusion...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006663
EISBN: 978-1-62708-213-6
.... In all cases, the mass analyzers require low (<10 −4 torr) pressures; thus, the fraction of sample gas being analyzed is often small. Static gas introduction systems vary from a simple valve and effusive leak orifice to complex automated transfer systems that perform evacuation, dilution, and...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005621
EISBN: 978-1-62708-174-0
.... These systems, combined with electronic current control, are capable of eliminating spatter on arc reignition and even on initial arc strike ( Ref 5 ) ( Fig. 9 ). Fig. 9 (a) Pulsed gas metal arc welding of titanium; growing the metal droplet in the background current phase. (b) Reciprocating wire...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005737
EISBN: 978-1-62708-171-9
... different for the various commercial systems in the marketplace. In addition, fine particles below 15 μm (0.6 mil) are typically removed to improve flowability into the spray stream and to minimize in-flight particle oxidation. Coatings with reduced oxygen (oxide levels) will show performance benefits in...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004214
EISBN: 978-1-62708-184-9
... H 2 S ( Ref 23 ). Data about the effects of pH from another study are shown in Fig. 4 ( Ref 13 ). Hence, it is more meaningful to determine the effective CO 2 partial pressure from the system pH. Data in Fig. 3 can be represented as equations for straight lines in terms of pH and acid gas...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005799
EISBN: 978-1-62708-165-8
... atmosphere. For these reasons and the prevalence of good atmosphere-measurement systems, the furnace atmosphere-control approach presented in this article is based on measurements of the actual atmosphere parameters rather than gas input flows. Designers usually specify...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005572
EISBN: 978-1-62708-174-0
... materials, such as titanium, a trailing shield may also be used to protect the solidified weld bead during cooling. The shielding gas supply system provides a constant pressure and flow rate of shielding gas during welding. The shielding gas source can be a high-pressure cylinder, a liquid-filled cylinder...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006664
EISBN: 978-1-62708-213-6
.../MS experiment begins with sample preparation, sample injection, and molecule separation on a GC column (as discussed in the previous article in this Volume). After GC separation, the molecules flow into a mass spectrometer. Because the operation of a mass spectrometer requires a high-vacuum system...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001354
EISBN: 978-1-62708-173-3
... system is required to provide constant shielding gas pressure and flow rate during welding. This system consists of a regulator connected to a supply of “welding grade” shielding gas, as well as the necessary hoses or piping. The regulator is a device that reduces the source gas pressure to a constant...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001776
EISBN: 978-1-62708-178-8
.... Such samples included gases; solids, which were introduced with a probe; and liquids, which were introduced either in the gas inlet system or with a probe, depending upon their vapor pressure. When GC/MS was introduced in the late 1960s, mixtures of compounds and impurities could be analyzed...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005590
EISBN: 978-1-62708-174-0
... robotic welding ( Fig. 5 ), but additional equipment is required, such as a means of mechanically moving the torch in relation to the work and feeding filler electrode into the weld pool. A fully automatic system may require a programmer consisting of a microprocessor to control weld current, travel speed...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002156
EISBN: 978-1-62708-188-7
... Abstract Abrasive jet machining (AJM) is a process that removes material from a workpiece through the use of abrasive particles entrained in a high-velocity gas stream. This article discusses the operation of principal components, advantages, and disadvantages of the AJM system. It describes...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005928
EISBN: 978-1-62708-166-5
... meters are designed for specific gas types and use different technologies for providing the feedback for the flow. Mechanical or variable-area flow meters use a float system that provides a visual indication of the amount of gas passing through the orifice. Differential pressure meters, which measure the...