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Title: Method for determining the octane rating of gasoline samples by observing corresponding acoustic resonances therein

A method for determining the octane rating of gasoline samples by observing corresponding acoustic resonances therein. A direct correlation between the octane rating of gasoline and the frequency of corresponding acoustic resonances therein has been experimentally observed. Therefore, the octane rating of a gasoline sample can be directly determined through speed of sound measurements instead of by the cumbersome process of quantifying the knocking quality of the gasoline. Various receptacle geometries and construction materials may be employed. Moreover, it is anticipated that the measurements can be performed on flowing samples in pipes, thereby rendering the present method useful in refineries and distilleries.
Inventors:
 [1];  [2]
  1. (Los Alamos, NM)
  2. (Clearfield, PA)
Issue Date:
OSTI Identifier:
870845
Assignee:
Regents of University of California (Los Alamos, NM) LANL
Patent Number(s):
US 5606130
Contract Number:
W-7405-ENG-36
Research Org:
Los Alamos National Laboratory (LANL), Los Alamos, NM
Country of Publication:
United States
Language:
English
Subject:
method; determining; octane; rating; gasoline; samples; observing; corresponding; acoustic; resonances; therein; direct; correlation; frequency; experimentally; observed; sample; directly; determined; speed; sound; measurements; cumbersome; process; quantifying; knocking; quality; various; receptacle; geometries; construction; materials; employed; moreover; anticipated; performed; flowing; pipes; rendering; useful; refineries; distilleries; octane rating; corresponding acoustic; acoustic resonances; acoustic resonance; method useful; resonances therein; direct correlation; observing corresponding; construction materials; flowing sample; gasoline sample; gasoline samples; sound measurement; /73/