Estimation of Cabin Heat Loading in the Sea King Helicopter and Effectiveness of Possible Modifications to Improve Crew Thermal Environment

Abstract

Measurements of temperatures and airflows have been made in a Sea King helicopter to determine the parameters influencing the thermal environment. From these measurements a heat flow model is developed. The effectiveness of minor modifications to partially alleviate the hot conditions is discussed, and four proposals are made. However, it is confirmed that the only way to bring the cabin thermal environment to a completely acceptable level is by the use of refrigerated air supplies. One specific refrigeration proposal, that of a Normalair-Garrett Commando cooling unit, is assessed and found to provide a marginally acceptable crew environment.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1977
Accession Number
ADA066096

Entities

People

  • Brian Rebbechi

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Air Flow
  • Air Masses
  • Air Temperature
  • Aircrafts
  • Airframes
  • Engineering
  • Fuselages
  • Heat Transfer
  • Heat Transfer Coefficients
  • Heat Transmission
  • Human Factors Engineering
  • Measurement
  • Moisture Content
  • Solar Radiation
  • Thermal Conductivity
  • Ventilation Fans
  • Wet Bulb Temperature

Fields of Study

  • Engineering

Readers

  • Military Science
  • Systems Analysis and Design
  • Thermal Physics or Thermal Science.