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- Title
Low reynolds number carbon-containing composite liquid fuel pipeline transportation under sub-ambient and subzero temperatures.
- Authors
Piskunov, Maxim; Romanov, Daniil; Verkhodanov, Danila; Strizhak, Pavel
- Abstract
An experimental study of the effect of lowered temperatures (from 25 °C to −5 °C) on the velocity and viscosity of composite liquid fuel (CLF) flow in mini-channels was performed at low Reynolds numbers. Examined CLFs are composed of water, coking coal, and sludge from coking coal processing, mixed with lignite polymer, acidic sodium pyrophosphate, isononylphenol and a mixture of mono-and dialkylphenols with ethylene oxide. The method of adjusting the critical ratio between the Reynolds numbers at the actual liquid flow rate of the local consumer and at the pump flow rate has been developed for CLF pipeline transport in off-season and winter temperature conditions. It is based on the constant regulation of the pump flow rate, depending on the current external temperature. Under a controlled decrease in the pump flow rate and a CLF temperature of −5 °C, its transportation by pipeline was successfully performed at laboratory conditions. [Display omitted] • Low-Reynolds composite liquid fuel flow under sub-ambient temperatures is examined. • Scalable mini-channel flow optimization method is developed to transport fuel slurry. • Method is based on pump flow rate regulation considering current ambient temperature. • Fuel slurry pipeline transportation is successfully performed at −5 °C. • Fuel flow velocity and relative viscosity are determined in pipeline at −5 °С0.25 °С.
- Subjects
PIPELINE transportation; REYNOLDS number; COMPOSITE numbers; LIQUID fuels; COKING coal; FLOW velocity; PIPELINES; PETROLEUM pipelines
- Publication
Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A, 2024, Vol 203, p547
- ISSN
0263-8762
- Publication type
Article
- DOI
10.1016/j.cherd.2024.02.014