Design of flowing refractometer with cylindrical insert in the form a vertical pipeline section for control to clear media state

V. V. Davydov; D. I. Nikolaev; A. V. Moroz

doi:10.32446/0368-1025it.2021-4-36-43

Design of flowing refractometer with cylindrical insert in the form a vertical pipeline section for control to clear media state

V. V. Davydov, D. I. Nikolaev, A. V. Moroz

https://doi.org/10.32446/0368-1025it.2021-4-36-43

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Abstract

The article a the new design of flowing refractometer of differential type for media condition control both in laminar and turbulent flow regimes is considered. Given the peculiarities of the location of the flow and closed cuvette and the angles of incidence of laser radiation on their walls we have implemented a new method of measuring the refractive index n in new developed design of refractometer. This allowed us to make the influence of a number of errors related with unbalance voltage on the photoelectric converter, with an increase in the number of refl ections between optical elements of laser radiation, with the presence of a transport link for the selection of flowing fluid and temperature fluctuations on the result of measuring the refractive index. The technique allowing to reduce the influence of change of the optical density of the flowing liquid on the measurement error of refractive index is proposed. The results of experimental investigations for different media are presented.

Keywords

differential refractometer, laser light, refractive index, optical density, condition control of flowing liquid

About the Authors

V. V. Davydov

Peter the Great Saint Petersburg Polytechnic University; All-Russian Research Institute of Fitopatology
Russian Federation

Vadim V. Davydov

St. Petersburg;

B. Vyazyomy, Moscow Region

D. I. Nikolaev

Peter the Great Saint Petersburg Polytechnic University
Russian Federation

Denis I. Nikolaev

St. Petersburg

A. V. Moroz

Peter the Great Saint Petersburg Polytechnic University
Russian Federation

Angelina V. Moroz

St. Petersburg

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Review

For citations:

Davydov V.V., Nikolaev D.I., Moroz A.V. Design of flowing refractometer with cylindrical insert in the form a vertical pipeline section for control to clear media state. Izmeritel`naya Tekhnika. 2021;(4):36-43. (In Russ.) https://doi.org/10.32446/0368-1025it.2021-4-36-43

ISSN 0368-1025 (Print)
ISSN 2949-5237 (Online)

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Izmeritel`naya Tekhnika

Design of flowing refractometer with cylindrical insert in the form a vertical pipeline section for control to clear media state

Full Text:

Abstract

Keywords

About the Authors

References

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