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Temperature measurements with two different IR sensors in a continuous-flow microwave heated system
- Source :
- Beilstein Journal of Organic Chemistry, Beilstein Journal of Organic Chemistry, Vol 9, Iss 1, Pp 2079-2087 (2013)
- Publication Year :
- 2013
- Publisher :
- Beilstein Institut, 2013.
-
Abstract
- In a continuous-flow system equipped with a nonresonant microwave applicator we have investigated how to best assess the actual temperature of microwave heated organic solvents with different characteristics. This is non-trivial as the electromagnetic field will influence most traditional methods of temperature measurement. Thus, we used a microwave transparent fiber optic probe, capable of measuring the temperature inside the reactor, and investigated two different IR sensors as non-contact alternatives to the internal probe. IR sensor 1 measures the temperature on the outside of the reactor whilst IR sensor 2 is designed to measure the temperature of the fluid through the borosilicate glass that constitutes the reactor wall. We have also, in addition to the characterization of the before mentioned IR sensors, developed statistical models to correlate the IR sensor reading to a correct value of the inner temperature (as determined by the internal fiber optic probe), thereby providing a non-contact, indirect, temperature assessment of the heated solvent. The accuracy achieved with these models lie well within the range desired for most synthetic chemistry applications.
- Subjects :
- Electromagnetic field
Optical fiber
microwave
flow chemistry
heating
Nanotechnology
Temperature measurement
Full Research Paper
law.invention
lcsh:QD241-441
lcsh:Organic chemistry
law
lcsh:Science
Range (particle radiation)
business.industry
Borosilicate glass
Chemistry
continuous-flow
Organic Chemistry
temperature
Flow chemistry
organic synthesis
Characterization (materials science)
Optoelectronics
lcsh:Q
business
Microwave
Subjects
Details
- ISSN :
- 18605397
- Volume :
- 9
- Database :
- OpenAIRE
- Journal :
- Beilstein Journal of Organic Chemistry
- Accession number :
- edsair.doi.dedup.....db7601b926ba567729f697165c9e5318