A STUDY OF THE IGNITION DELAY OF TRIETHYL TRITHIOPHOSPHITE WITH NITRIC ACID IN AN IMPINGING-STREAM ROCKET STARTER MOTOR

Abstract

Delays were measured in a small rocket motor using a single pair of impinging fuel and oxidizer streams at 70 deg, 32 deg, and -40 deg F with fuel containing 0, 10, 20, 30, and 40 vol-% heptane. The acid was adjusted to 1% H sub2 O, 0.5% NO sub2, and 98.5% HNO sub3. Hard starts and long, variable delays were obtained in the lowest (EtS)sub3 P concentration range. The delays were short and independent of concentration or temperature with 90 and 100% (EtS)sub3 P. The time of ignition was determined by photocell and chamber-pressure pickup methods; the values agreed within the precision of measurement. Precaution similar to those for PhNH sub2 or N sub2 H sub 4 are necessary in handling (EtS) sub3 P.

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Document Details

Document Type
Technical Report
Publication Date
Feb 17, 1953
Accession Number
AD0005343

Entities

People

  • E. M. Wilson

Organizations

  • Aerojet Rocketdyne Holdings

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Acids
  • Classification
  • Ignition
  • Ignition Lag
  • Measurement
  • Military Research
  • Nitric Acid
  • Photoelectric Cells (Semiconductor)
  • Precision
  • Rocket Engines
  • Rockets
  • Test And Evaluation

Readers

  • Combustion science or combustion engineering.
  • Mathematics or Statistics
  • Rocket Propulsion.