EXPLOSION PRESSURES OF CONFINED DEFLAGRATIONS PROPAGATING IN STOICHIOMETRIC GASEOUS MIXTURES OF LOWER ALKANES WITH AIR
Journal Title: Analele Universitatii din Bucuresti. Chimie - Year 2009, Vol 18, Issue 2
Abstract
An experimental study on maximum explosion pressure in closed vessel deflagration of stoichiometric gaseous mixtures, for various initial pressures within 0.3 – 1.2 bar and ambient initial temperature is reported. Explosion pressures and explosion times of stoichiometric methane-, ethane- and propane-air mixtures were measured in a spherical vessel and in two cylindrical vessels with different diameter/height ratios. The measured explosion pressures are examined in comparison with the adiabatic explosion pressures, computed by assuming chemical equilibrium within the flame front. The influence of initial pressure and heat losses during propagation on explosion pressures and explosion times are discussed for the examined systems. Both measured and calculated explosion pressures are linear functions of total initial pressure, at constant initial temperature and fuel concentration.
Authors and Affiliations
Codina Movileanu, Venera Brinzea, Maria Mitu, Domnina Razus, Dumitru Oancea
Keywords
Related Articles
- EP ID EP118731
- DOI -
- Views 68
- Downloads 0
SYNTHESIS, PHYSICO-CHEMICAL CHARACTERIZATION AND BIOLOGIC ACTIVITY OF A NEW NICKEL COMPLEX WITH 2-CYANOGUANIDINE
A new complex of nickel with 2-cyanoguanidine and acrilato ion as ligands was synthesised. The physico-chemical characterisation revealed the unidentate coordination mode of ligands as well as the metallic ion octahedral...
DEVELOPMENT OF A NEW ETHANOL BIOSENSOR WITH ELECTROPOLYMERISED MELDOLA BLUE AS MEDIATOR
An amperometric biosensor for ethanol was developed based on immobilization of alcohol dehydrogenase on screen-printed electrodes modified with electropolymerised Meldola Blue carried out by cyclic voltammetry in the ran...
STABILISATION OF BITUMEN EMULSIONS
QUANTITATIVE DETERMINATION OF ANTIOXIDANT POTENTIAL OF ARTEMISIA PERSICA
An experimental protocol was designed to investigate the total flavonoids, phenolics and antioxidant potential of methanol extract of Artemisia persica. For initial screening of antioxidant activity DPPH on TLC was emplo...
ISOLATION AND FRACTIONAL SEPARATION OF TARRAGON ESSENTIAL OIL BY SUPERCRITICAL FLUID
The experimental results of supercritical CO2 extraction on tarragon essential oil at 50˚C and 90 bar are presented. The chemical composition and the yield of the supercritical extract are compared with those of the tarr...