TITLE

Nonintrusive fast response concentration measurement device for chemical reactors

AUTHOR(S)
Nadeau, P.; Berk, D.; Munz, R.J.
PUB. DATE
March 1996
SOURCE
Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p847
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Proposes a device by which the residence time distribution in a tubular chemical reactor can be measured with a response time on the order of hundreds of microseconds. Limitations of the response time of the system; Testing of the device with a tubular reactor with a gaseous flow.
ACCESSION #
4367138

 

Related Articles

  • Variable-temperature accessory for Q-band ESR measurements down to 4.2 K. Desfonds, G.; Rius, G. // Review of Scientific Instruments;Oct88, Vol. 59 Issue 10, p2302 

    Variable-temperature measurements can be performed at Q band (35 GHz) with a modified standard X-band gas flow system. The modification is simple and not very expensive. The temperature is stabilized within ±0.2 K in the range 4.2–100 K.

  • Simple and reliable system for gas flow regulation and measurement. Sanders, William A.; Bogan, Denis J.; Hand, Clifford W. // Review of Scientific Instruments;Dec1986, Vol. 57 Issue 12, p3059 

    An automatic regulation and measurement system for the delivery of gases at flow rates from about 0.01 to 1 cm³ (STP)/s is described. Flow measurement is based on the familiar direct method of determining pressure drop per unit time in a calibrated volume. The regulation and measurement...

  • High-precision anemometer with thermal wave. Rachalski, Andrzej // Review of Scientific Instruments;Sep2006, Vol. 77 Issue 9, p095107 

    A new, highly accurate method of measurement of the gas flow velocity has been developed. The method employs the phenomenon of propagation of thermal waves in flowing gas. The probe consists of three thin wires. One of these is a hot wire and it is used to generate a thermal wave while the two...

  • Design of a graphite element drop-tube reactor system for study of SO2 removal by injected limestone sorbents. Gullett, Brian K.; Snow, Gerry C.; Blom, John A.; Kirchgessner, David A. // Review of Scientific Instruments;Oct86, Vol. 57 Issue 10, p2599 

    The design and operation of a graphite element drop-tube reactor system for a study of the fundamental mechanisms and reaction rates of sulfur dioxide (SO[sub 2]) removal by hightemperature injection of limestone-based sorbents is described. The reactor system is designed for laminar flow in an...

  • In situ stress measurement apparatus for liquid applied coatings. Payne, Jason A.; McCormik, Alon V.; Francis, Lorraine F. // Review of Scientific Instruments;Dec1997, Vol. 68 Issue 12, p4564 

    Describes an apparatus for measuring stress development in polymer and ceramic coatings. Combination of the coating, processing and stress measurement steps; Study on the effects of processing variables; Report on the results for polyisobutyl methacrylate.

  • Distance mearsurement method using the two intermode beat frequencies of a three-longitudinal... Eom, Ick-Jae; Kyung-Chan Kim; Suh, Ho-Sung // Review of Scientific Instruments;Dec1997, Vol. 68 Issue 12, p4612 

    Reports on distance measurement method using the two intermode beat frequencies of a three-longitudinal mode He-Ne laser. Use of the stabilized laser as a laser source for a distance meter; Resolution of the distance meter.

  • Camera length and field of view in Makyoh-topography instruments. Riesz, Ferenc // Review of Scientific Instruments;Feb2001, Vol. 72 Issue 2, p1591 

    Makyoh topography is an optical method for the study of the large-scale morphology of mirror-like surfaces. Formulas are derived for the two basic parameters, the camera length and the field of view of Makyoh instruments. The relation between these parameters and the sensitivity are established....

  • Measurement of fast surface photovoltage relaxation. Hlavka, J.; Svehla, R. // Review of Scientific Instruments;Jul96, Vol. 67 Issue 7, p2588 

    Presents a version of the measuring circuit which allows for the measurement of fast surface photovoltage relaxation in a simple way. Analysis of the measuring circuit; Components of the apparatus.

  • Temperature variable high-pressure cell and assembly for Raman spectroscopic studies of aqueous systems. Wong, P. T. T. // Review of Scientific Instruments;Jul1985, Vol. 56 Issue 7, p1417 

    A temperature variable high-pressure optical cell and the assembly for pressure generation and measurement are described. The water corrosion problem of the steel cell at high pressure is eliminated by using a quartz sample holder to isolate the water from the inner bore of the steel cell. The...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics