Small-scale field spill experiments of liquid nitrogen, oxygen and their mixture on concrete surface

Monir Ahammad, Syed Quraishy, Tomasz Olewski, Luc Vechot

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents the findings of small-scale experiments (5–15 kg) of cryogenic liquid spills on a representative industrial grade diking concrete. Physical properties of the substrate, i.e., the thermal conductivity (k) and heat capacity (Cp) of the concrete were measured in the range of −160 °C to 50 °C using guarded hot plate and differential scanning calorimeter (DSC), respectively. Vaporization rate of liquid nitrogen (LN2), liquid oxygen (LO2) and a mixture of 80% v/v LN2 and 20% v/v LO2, (i.e., liquid air - LAir) were studied on the same concrete. Convective and radiative heat transfers were limited by insulation. The contribution of conductive heat transfer from the concrete substrate for the vaporization of cryogenic liquids was studied. The effect of preferential boiling was observed when the liquid air was spilled.

Original languageEnglish
Pages (from-to)112-120
Number of pages9
JournalJournal of Loss Prevention in the Process Industries
Volume50
DOIs
Publication statusPublished - 1 Jan 2017

Fingerprint

Hazardous materials spills
Liquid nitrogen
Volatilization
Nitrogen
Hot Temperature
Concretes
Cryogenic liquids
Oxygen
oxygen
liquids
nitrogen
Vaporization
Air
Thermal Conductivity
Liquids
Experiments
volatilization
Heat transfer
heat transfer
Substrates

Keywords

  • Concrete
  • Liquid air
  • Liquid nitrogen
  • Liquid oxygen
  • Preferential boiling
  • Vaporization

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Food Science
  • Chemical Engineering(all)
  • Safety, Risk, Reliability and Quality
  • Energy Engineering and Power Technology
  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering

Cite this

Small-scale field spill experiments of liquid nitrogen, oxygen and their mixture on concrete surface. / Ahammad, Monir; Quraishy, Syed; Olewski, Tomasz; Vechot, Luc.

In: Journal of Loss Prevention in the Process Industries, Vol. 50, 01.01.2017, p. 112-120.

Research output: Contribution to journalArticle

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