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AIR CONDITIONING, HELICOPTER, GENERAL REQUIREMENTS FOR

1970-10-26
HISTORICAL
ARP292B
These recommendations are written to cover the general requirements of helicopter air conditioning and are sub-divided as follows: (1) Air Conditioning System - Dealing with the general design aspects. (2) Air Conditioning Equipment - Design requirements for satisfactory system function and performance. (3) Air Conditioning System Design Requirements -General information for use of those concerned in meeting requirements contained herein.
Standard

AIRCRAFT CABIN PRESSURIZATION CONTROL CRITERIA

1976-01-15
HISTORICAL
ARP1270
These recommendations cover the basic criteria for the design of aircraft cabin pressurization control systems as follows: (1) To ensure aircraft safety. (2) Physiology and limits which govern maximum permissible pressure time relations as related to aircraft passenger comfort. (3) General pressurization control system performance requirements designed to satisfy (2). (4) Technical considerations relevant to satisfying (3).
Standard

AIRPLANE CABIN PRESSURIZATION

1959-11-15
HISTORICAL
ARP367A
These recommendations cover the general field of airplane cabin pressurization equipment and are subdivided as follows: GENERAL REQUIREMENTS FOR PRESSURIZED AIRPLANES CABIN AIR COMPRESSORS CABIN PRESSURE REGULATING EQUIPMENT ENGINE BLEED AIR DUCT SYSTEMS CABIN PRESSURE DUCTING SYSTEM
Standard

AIRPLANE CABIN PRESSURIZATION

1960-03-01
HISTORICAL
ARP367B
These recommendations cover the general field of airplane cabin pressurization equipment and are subdivided as follows: GENERAL REQUIREMENTS FOR PRESSURIZED AIRPLANES CABIN AIR COMPRESSORS CABIN PRESSURE REGULATING EQUIPMENT ENGINE BLEED AIR DUCT SYSTEMS CABIN PRESSURE DUCTING SYSTEM
Standard

Acoustical Considerations for Aircraft Environmental Control System Design

2016-08-11
CURRENT
AIR1826A
This Aerospace Information Report (AIR) is limited in scope to the general consideration of environmental control system noise and its effect on occupant comfort. Additional information on the control of environmental control system noise may be found in 2.3 and in the documents referenced throughout the text. This document does not contain sufficient direction and detail to accomplish effective and complete acoustic designs.
Standard

Acoustical Considerations for Aircraft Environmental Control System Design

1989-07-01
HISTORICAL
AIR1826
This Aerospace Information Report (AIR) is limited in scope to the general consideration of environmental control system noise and its effect on occupant comfort. Additional information on the control of environmental control system noise may be found in the bibliography and in the documents referenced throughout the text. This document does not contain sufficient direction and detail to accomplish effective and complete acoustic designs.
Standard

Aerospace Pressurization System Design

1991-03-01
HISTORICAL
AIR1168/7
The pressurization system design considerations presented in this AIR deal with human physiological requirements, characteristics of pressurization air sources, methods of controlling cabin pressure, cabin leakage control, leakage calculation methods, and methods of emergency cabin pressure release.
Standard

Aerospace Pressurization System Design

2011-07-25
CURRENT
AIR1168/7A
The pressurization system design considerations presented in this AIR deal with human physiological requirements, characteristics of pressurization air sources, methods of controlling cabin pressure, cabin leakage control, leakage calculation methods, and methods of emergency cabin pressure release.
Standard

Aircraft Cabin Pressurization Control Criteria

2000-04-01
HISTORICAL
ARP1270A
These recommendations cover the basic criteria for the design of aircraft cabin pressurization control systems as follows: (1) To ensure aircraft safety. (2) Physiology and limits which govern maximum permissible pressure time relations as related to aircraft passenger comfort. (3) General pressurization control system performance requirements designed to satisfy (2). (4) Technical considerations relevant to satisfying (3).
Standard

Aircraft Compartment Automatic Temperature Control Systems

2018-09-24
WIP
ARP89E
The recommendations of this SAE Aerospace Recommended Practice (ARP) for aircraft compartment automatic temperature control systems are primarily intended to be applicable to occupied or unoccupied compartments of civil and military aircraft.
Standard

Aircraft Compartment Automatic Temperature Control Systems

1995-12-01
CURRENT
ARP89D
The recommendations of this SAE Aerospace Recommended Practice (ARP) for aircraft compartment automatic temperature control systems are primarily intended to be applicable to occupied or unoccupied compartments of civil and military aircraft.
Standard

Aircraft Fuel Weight Penalty Due to Air Conditioning

2011-07-25
CURRENT
AIR1168/6A
This section relates the engineering fundamentals and thermophysical property material of the previous sections to the airborne equipment for which thermodynamic considerations apply. For each generic classification of equipment, information is presented for the types of equipment included in these categories, and the thermodynamic design considerations with respect to performance, sizing, and selection of this equipment.
Standard

Aircraft Turbine Engine Pneumatic Component Contaminated Air Endurance Test

2017-09-05
CURRENT
ARP4014A
This SAE Aerospace Recommended Practice (ARP) describes a method of conducting an endurance test using contaminated air when the applicable specification requires non-recirculation of the contaminants. The objective of the test is to determine the resistance of the engine mounted components to wear or damage caused by the contaminated air. The method described herein calls for non-recirculation of the contaminants and is intended to provide a uniform distribution of the contaminant at the inlet to the Unit Under Test (UUT). The UUT may require the use of a hydraulic fluid for actuation of components within the test unit. Contamination of the test hydraulic fluid is not part of this recommended practice. If contaminated hydraulic fluid is required by the applicable test specification, refer to MAP749.
Standard

Aircraft Turbine Engine Pneumatic Component Contaminated Air Endurance Test

1988-08-31
HISTORICAL
ARP4014
This recommended practice describes a method of conducting an endurance test using contaminated air when the applicable specification requires non-recirculation of the contaminants. The objective of the test is to determine the resistance of the engine mounted components to wear or damage caused by the contaminated air. The method described herein calls for non-recirculation of the contaminants and is intended to provide a uniform distribution of the contaminant at the inlet to the Unit Under Test (UUT). The UUT may require the use of a hydraulic fluid for actuation of components within the test unit. Contamination of this test fluid is not part of this recommended practice, however, if required by applicable test specification, refer to MAP 749A.
Standard

Characteristics of Equipment Components, Equipment Cooling System Design, and Temperature Control System Design

1993-04-01
HISTORICAL
AIR1168/6
This section relates the engineering fundamentals and thermophysical property material of the previous sections to the airborne equipment for which thermodynamic considerations apply. For each generic classification of equipment, information is presented for the types of equipment included in these categories, and the thermodynamic design considerations with respect to performance, sizing, and selection of this equipment.
Standard

Cooling of Military Avionic Equipment

2005-02-09
CURRENT
AIR1277B
This SAE Aerospace Information Report (AIR) contains information on the thermal design requirements of airborne avionic systems used in military airborne applications. Methods are explored which are commonly used to provide thermal control of avionic systems. Both air and liquid cooled systems are discussed.
Standard

ENVIRONMENTAL CONTROL SYSTEM TRANSIENT ANALYSIS COMPUTER PROGRAM (EASY)

1994-09-01
HISTORICAL
AIR1823
The Environmental Control Analysis SYstem (EASY) computer program is summarized in this report. Development of this computer program initially was sponsored by the U.S. Air Force Flight Dynamics Laboratory. (See References 1, 2, 3, and 4.) It provides techniques for determination of steady state and dynamic (transient) ECS performance, and of control system stability; and for synthesis of optimal ECS control systems. The program is available from the U.S. Air Force, or as a proprietary commercial version. General uses of a transient analysis computer program for ECS design and development, and general features of EASY relative to these uses, are presented. This report summarizes the nine analysis options of EASY, EASY program organization for analyzing ECS, data input to the program and resulting data output, and a discussion of EASY limitations. Appendices provide general definitions for dynamic analysis, and samples of input and output for EASY.
Standard

ENVIRONMENTAL CONTROL SYSTEMS LIFE CYCLE COST

1985-10-01
HISTORICAL
AIR1812
This report contains background information on life cycle cost elements and key ECS cost factors. Elements of life cycle costs are defined from initial design phases through operational use. Information on how ECS designs affect overall aircraft cost and information on primary factors affecting ECS costs are discussed. Key steps or efforts for comparing ECS designs on the basis of LCC are outlined. Brief descriptions of two computer programs for estimating LCC of total aircraft programs and their use to estimate ECS LCC, are included.
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