• SAE AIR 1168/3 : 1990

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    AEROTHERMODYNAMIC SYSTEMS ENGINEERING AND DESIGN

    Available format(s):  Hardcopy, PDF

    Superseded date:  09-26-2019

    Language(s):  English

    Published date:  01-01-1990

    Publisher:  SAE International

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    Table of Contents - (Show below) - (Hide below)

    SECTION 3A - AIR CONDITIONING LOAD ANALYSIS
    1 INTRODUCTION
      1.1 Scope
      1.2 Nomenclature
      1.3 Common Abbreviations
    2 PHYSIOLOGICAL REQUIREMENTS
      2.1 Effective Temperature
    3 STATEMENT OF HEATING AND COOLING LOAD EQUATIONS
      3.1 Heat Transfer Between the Air and Skin
      3.2 Heat Transfer Between the Skin and Occupied Areas
    4 SKIN TEMPERATURE COMPUTATIONAL METHODS
      4.2 Skin Temperature at Flight Conditions Less Than Mach 2
      4.2 Skin Temperature Flight Above Mach 2
      4.3 Skin Temperature at Ground Static Conditions
    5 COOLING LOADS DUE TO RADIATION THROUGH TRANSPARENT AREAS
    6 HEATING AND COOLING LOADS DUE TO INTERNAL SOURCES
      6.1 Sensible and Latent Heat Emission by Occupants
      6.2 Electrical Load
    7 PRACTICAL CONSIDERATIONS IN THE DETERMINATION OF OVERALL
      HEATING AND COOLING LOADS
      7.1 Conditions that Establish Heating and Cooling Loads
      7.2 Example of Cooling and Heating Load Calculation
    8 EXAMPLE OF SKIN TEMPERATURE COMPUTATION AT HIGH MACH NUMBER
    9 REFERENCES
    SECTION 3B - REFRIGERATION SYSTEM DESIGN
    1 INTRODUCTION
      1.1 Scope
      1.2 Nomenclature
      1.3 Common Abbreviations
      1.4 Definitions of Available Heat Sinks
    2 AIR CYCLE SYSTEMS
      2.1 Basic Considerations and Cycle Components
      2.2 Analysis of Basic Air Cycle System
      2.3 Air Cycle Systems (Open and Closed Circuits)
      2.4 Combination Air Cycle and Expendable Coolant Systems
      2.5 Comparison of Air Cycle Systems
      2.6 Water Separator Applications
    3 VAPOR CYCLE SYSTEMS
      3.1 Basic Considerations and Cycle Components
      3.2 Analysis of Basic Vapor Cycle System
      3.3 Vapor Cycle Systems Variants
      3.4 Expendable Refrigerant Vapor Cycle Systems
      3.5 Comparison of Vapor Cycle Systems
    4 COMBINED VAPOR CYCLE AND AIR CYCLE SYSTEMS
    5 THERMOELECTRIC COOLING
      5.1 General Discussion
      5.2 Present Application
      5.3 Fundamental Theory
      5.4 Application
    6 REFERENCES
    SECTION 3C - HEATING SYSTEM DESIGN
    1 INTRODUCTION
      1.1 Scope
      1.2 Common Abbreviations
    2 HEATING METHODS
      2.1 Bypass Systems
      2.2 Electric Heaters
      2.3 Radiant Panels
      2.4 Combustion Heaters
      2.5 Exhaust Heating
    3 SUMMARY AND RECOMMENDATIONS
    4 REFERENCES
    SECTION 3D - AIR DISTRIBUTION SYSTEM DESIGN
    1 INTRODUCTION
      1.1 Scope
      1.2 Nomenclature
      1.3 Common Abbreviations
    2 LOW PRESSURE SYSTEMS
      2.1 Introduction
      2.2 Physiological Requirements in Cabin Air Systems
      2.3 Design Approach, Cabin Air Systems
      2.4 Air Jet Behavior
      2.5 Velocities Near Return Grilles
      2.6 Flow Straighteners for Outlets
      2.7 Air Flow Quantity
      2.8 Outlet Locations
      2.9 General Exhaust Locations
      2.10 Duct Mixing: Airstreams of Different Temperature
      2.11 Flight Station Air Distribution
      2.12 Air Distribution in Fighter Cockpits
      2.13 Equipment Ventilation for Heat Removal
    3 HIGH PRESSURE SYSTEMS
      3.1 Engine Bleed Systems
      3.2 Distribution System Schematics
    4 REFERENCES

    Abstract - (Show below) - (Hide below)

    Gives methods and examples of computing the steady-state heating and cooling loads of aircraft compartments.

    General Product Information - (Show below) - (Hide below)

    Committee AC 9B
    Document Type Standard
    Publisher SAE International
    Status Superseded

    Standards Referenced By This Book - (Show below) - (Hide below)

    SAE AIR 1957 : 2015 HEAT SINKS FOR AIRBORNE VEHICLES
    SAE ARP 85 : 2012 AIR CONDITIONING SYSTEMS FOR SUBSONIC AIRPLANES
    SAE AIR 1609 : 2005 AIRCRAFT HUMIDIFICATION
    SAE AIR 1826 : 2016 ACOUSTICAL CONSIDERATIONS FOR AIRCRAFT ENVIRONMENTAL CONTROL SYSTEM DESIGN
    SAE ARP 731 : 2015 GENERAL REQUIREMENTS FOR APPLICATION OF VAPOR CYCLE REFRIGERATION SYSTEMS FOR AIRCRAFT
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