Investigation of Bimodal nano/micron Aluminum-Ice (ALICE) Propellants

Terrence L. Connell, Grant A. Risha, Richard A. Yetter, Vigor Yang, Steven F. Son

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An experimental investigation was conducted to determine the benefits of bimodal combustion of nano/micron aluminum and ice (ALICE) solid propellant using steadystate strand burner experiments and lab-scale motor static firings. The bimodal distribution ranged from 0% 5-micron aluminum to 50% (by mass) to tailor the burning rate and combustion process of the ALICE propellant, with the remaining aluminum being 80-nm. Burning rates of the bimodal ALICE composition were compared to ALICE propellants containing only 80-nm Al. Equivalence ratios of 0.71 and 1 were investigated using strand burning measurements for the baseline ALICE, while θ=0.71 were used for strand tests containing micron powder addition and motor experiments. The effect of pressure on the linear burning rate was correlated using a Saint Roberts Law power fit. Lab-scale motor tests were to examine the bimodal ALICE propellant performance of promising nano/micron and ice combinations using a center-perforated grain configuration. Pressure, thrust, total impulse and slag accumulation were some of the experimental parameters obtained. Results will be presented that indicate whether micron aluminum particle addition to the baseline propellant increases system efficiency, reduces alumina accumulation, and affects the linear and mass burning rates of the propellant formulations.

Original languageEnglish (US)
Title of host publicationFall Meeting of the Eastern States Section of the Combustion Institute 2009
PublisherCombustion Institute
Pages827-833
Number of pages7
ISBN (Electronic)9781615676682
StatePublished - 2009
EventFall Meeting of the Eastern States Section of the Combustion Institute 2009 - College Park, United States
Duration: Oct 18 2009Oct 21 2009

Publication series

NameFall Meeting of the Eastern States Section of the Combustion Institute 2009

Other

OtherFall Meeting of the Eastern States Section of the Combustion Institute 2009
CountryUnited States
CityCollege Park
Period10/18/0910/21/09

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Mechanical Engineering
  • Physical and Theoretical Chemistry

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