A NOVEL CRYOGENIC LIQUID LEVEL SENSING TECHNIQUE

Pragyaditya Das

Abstract: This paper explores the use of a light based measurement technique for the level measurement of cryogenic liquids. Differential pressure transmitters are commonly used to measure the levels of cryogenic liquids such as liquid nitrogen and liquid oxygen in cryogenic tanks. They require the liquid inside the temperature controlled tank to be drawn out into impulse lines which are at ambient temperature. This causes a number of problems, choking of the impulse pipes is one of them, which ultimately results in a need for flushing the lines and that causes loss of material.

Keywords: Cryogenics; Optical Level Measurement

DOI: https://doi.org/10.15623/ijret.2017.0611010