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real-time monitoring

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Published: 01 December 2015
Fig. 2 Real-time monitoring of chemical injection in a cooling-water system with online corrosion rate and pitting tendencies (localization index). October 10—Chemical treatment program transition: Inhibitor was turned off, acid addition was stopped, blowdown was increased, and dispersant More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... Abstract This chapter examines methods of internal corrosion prediction for multiphase pipelines and details methodologies to perform internal corrosion direct assessment for natural gas pipelines. Further, real-time monitoring techniques for assessing actual corrosion at critical locations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... be derived in real time from various sensor outputs. flaw detection quality control sensors sheet metal forming IN SHEET METAL FORMING, the quality of formed parts is affected by variables such as sheet material, die material and surface, lubrication, and press characteristics. Therefore...
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Published: 01 December 2015
corrosion probes inserted into the firewall are used to directly monitor boiler tube degradation online and in real-time and to optimize the process for maximum efficiency and tube life. Source: Ref 136 More
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Published: 01 December 2015
Fig. 49 Montage showing interrelationship between a petrochemical plant process engineer and corrosion/materials specialist using online, real-time corrosion monitoring. Distributed corrosion-monitoring hardware provides a preprocessed data signal at point of monitoring. This, in turn More
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Published: 01 December 2015
Fig. 3 Components of a real-time radiographic imaging profiler system for measuring pipe wall thicknesses. The monitor displays the signal pulse readout. Source: Ref 27 More
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Published: 01 December 2015
Fig. 50 Real-time process control data from a predominantly hydrocarbon stream with 1 to 2 vol% corrosive water. Simultaneous measurement of chemical feed and corrosion monitoring of carbon steel and type 304L and 316L stainless steels. Source: Ref 202 More
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Published: 01 December 2015
Fig. 23 Differences in corrosion rate and modality—(a) pitting and (b) general corrosion—as determined by automated, real-time electrochemical corrosion monitoring system using linear polarization resistance, electrochemical noise, and harmonic distortion analysis. Note comparison More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... a coupon is an average over a specific period of time. Therefore, field coupon testing cannot detect process upsets as they occur. For real-time monitoring, electrochemical methods, such as the polarization-resistance technique, may be more appropriate (see the following section “ Electrochemical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... in the xeroradiographic process and are called radiographs. Real-time images, such as those presented on a fluorescent screen, image amplifier, or television monitor, differ in appearance from those on radiographs; records of these images may be made by photography or video recording. If the information is sensed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... ). Therefore, electrical property measurements during cure should reflect the physical and therefore the chemical changes in the curing thermoset. This monitoring method is a well-established technique, and dynamic dielectric analysis (DDA) provides one method for real-time process control. Dynamic...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 August 2023
DOI: 10.31399/asm.tb.mdsbktmse.t56070001
EISBN: 978-1-62708-451-2
..., such as time, energy, and forces, depend on the unit system. For example, the unit of time in the metal unit system is picoseconds, whereas it is femtoseconds in the real unit system. It should be decided beforehand what unit system is most appropriate for the simulation. In most cases, the unit system...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... with continuous monitoring of the weld process. Eddy-current testing, for example, has been used on small-bore induction-welded tube to provide feedback to control the welding process. However, total automation with real-time evaluation of test results is still not generally available, except in very simple...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
... of the induction generator, or a device for controlling the heating time. A controller for related processing functions (e.g., part handling). The above components of the control system must all operate in real time. That is to say, they must be capable of instantaneous measurement or response during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... acquisition data reporting data trending data reviewing data auditing HUGE AMOUNTS OF TIME AND MONEY are invested in designing, constructing, commissioning, and operating major petroleum and petrochemical installations. To safeguard this investment and to ensure adequate prevention of adverse effects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090063
EISBN: 978-1-62708-462-8
... of signals to be monitored by such a technique remains a job done together with the designer. Conclusion There are many innovations involving integrated circuits every day. At the same time, performing analysis in analog and RF circuits has become increasingly cumbersome. To face this situation, many...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... are approximately $0.5 billion annually. The potential for corrosion in refineries and petrochemical plants may be inherent to some processes, but costly and damaging equipment losses are not. Much work is being done to adapt process control technologies to integrate corrosion monitoring on an online, real-time...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440243
EISBN: 978-1-62708-262-4
... points of the heat treating equipment and process with the objective of logging important information for later review or perhaps being taken into account in real time. Material Considerations Before applying statistical control techniques to monitor process or product uniformity, it is important...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... on a windshield, the noise is coming from the rubber instantaneously sticking on the glass and breaking free. The intermittent cycling of forces on the rubber sets up a harmonic vibration noise. If one continuously measures the friction force with time in a tribosystem experiencing such stick-slip, then it would...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050025
EISBN: 978-1-62708-311-9
... to be characterized in real time on a screen with limits set. Operators can enter, verify, and monitor power levels, heating time, the power supply output during the cycle, part temperature during the cycle, scan speeds during the cycle, and other conditions as desired, such as quenchant pressure, quenchant flow...