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GB/T 16638.4-2008: Aerodynamics -- Concepts, quantities and symbols -- Part 4: Aerodynamic forces, moments, their coefficients and derivatives of aircraft
Status: Valid GB/T 16638.4: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 16638.4-2008 | English | 559 |
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Aerodynamics -- Concepts, quantities and symbols -- Part 4: Aerodynamic forces, moments, their coefficients and derivatives of aircraft
| Valid |
GB/T 16638.4-2008
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| GB/T 16638.4-1996 | English | 919 |
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Aerodynamics--Concepts, quantities and symbols. Part 4 Aerodynamic forces, moments, their coefficients and derivatives of aircraft
| Obsolete |
GB/T 16638.4-1996
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PDF similar to GB/T 16638.4-2008
Basic data | Standard ID | GB/T 16638.4-2008 (GB/T16638.4-2008) | | Description (Translated English) | Aerodynamics -- Concepts, quantities and symbols -- Part 4: Aerodynamic forces, moments, their coefficients and derivatives of aircraft | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V04 | | Classification of International Standard | 49.020 | | Word Count Estimation | 24,258 | | Date of Issue | 2008-07-18 | | Date of Implementation | 2009-01-01 | | Older Standard (superseded by this standard) | GB/T 16638.4-1996 | | Quoted Standard | GB/T 16638.2-2008 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 12 of 2008 (No. 125 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the aircraft's air forces, moments and their coefficients and derivatives terminology and symbols. This section applies to fixed-wing aircraft, other aircraft may refer to the use. This section of the aircraft as a rigid body. | GB/T 16638.4-2008: Aerodynamics -- Concepts, quantities and symbols -- Part 4: Aerodynamic forces, moments, their coefficients and derivatives of aircraft
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
. Aerodynamics Concepts, quantities and symbols Part 4. Aerodynamic forces, moments, their coefficients and derivatives of aircraft
ICS 49.020
Vp 04
National Standards of People's Republic of China
Replacing GB/T 16638.4-1996
Aerodynamics - Concepts, quantities and symbols
Part 4. aircraft aerodynamics,
Moments, their coefficients and derivatives
Posted 2008-07-18
2009-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 16638 "Aerodynamics - Concepts, quantities and symbols" is divided into four parts.
--- Part 1. aerodynamics common terms;
--- Part 2. Axis systems and aircraft motion state quantity;
--- Part 3. aircraft geometrical properties;
--- Part 4. aerodynamic aircraft, moments, their coefficients and derivative.
This section GB/T Part of 416,638.
This part of the aerodynamics of common terms used in our country for many years has been collection and screening, and as far as possible with the international most countries
Habits consistent air aircraft dynamics in this section some of the terminology and symbols with the national standard GB/T 14410-2008 "flying force
Learn concepts, quantities and symbols "in harmony.
This Part replaces GB/T 16638.4-1996 "Aerodynamics - Concepts, quantities and symbols - Part 4. Aircraft aerodynamic force
Moments their coefficients and derivatives. "
Section compared with the GB/T 16638.4-1996 The main changes are as follows.
a) increasing the spoiler hinge moment, trim tab hinge moment, the definition of derivatives are estimated lateral force coefficient;
b) increasing the hinge moment derivatives are estimated definitions.
This part is proposed by the China Aviation Industry Corporation.
This part of the jurisdiction of the China Aviation Industry Corporation.
This section is drafted. Beijing University of Aeronautics and Astronautics, China Aviation Technology Institute Comprehensive, China Aviation Industry Institute of Aerodynamics,
China Aviation Industry Development Research Center.
The main drafters of this section. Chen Yan Qing, Shao arrows, Jiao Zhiqiang, YANGTZA Zhou Li Fu, Chen, Wang Zhichuan, Hao Weidong, Feng Yanan, Fan Jiechuan,
Medicine].
This part of the standard replaces the previous editions are.
--- GB/T 16638.4-1996.
Aerodynamics - Concepts, quantities and symbols
Part 4. aircraft aerodynamics,
Moments, their coefficients and derivatives
1 Scope
This section provides aircraft aerodynamics, moments, their coefficients and derivatives of terminology and symbols.
This section applies to fixed-wing aircraft, other aircraft can use the reference.
This section of the aircraft as a rigid body.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 16638.2-2008 Aerodynamics - Concepts, quantities and symbols - Part 2. Axis systems and aircraft motion state quantity
3 Terms, definitions and symbols
The following terms, definitions and symbols apply to this section.
No terms are defined or explained symbols and units
3.1.1.1
Aerodynamic force
aerodynamicresultantforce
Acting on the aerodynamic aircraft or parts of
Resultant vector.
RA (→ RA)
Units of bovine (N)
3.1.1.2
Aerodynamic resultant moment
aerodynamicresultantmoment
Resultant vector moment to moment reference point.
Units of Nm
(N · m)
No terms are defined or explained symbols and units
3.1.2.1
Lift
lift
RA component in a gas flow axis system z-axis negative direction.
Airflow axis system defined in GB/T 16638.2-
2008 3.1.4.
Units of bovine (N)
3.1.2.2
Lift coefficient
liftcoefficient
L 12ρ Vp
2 () S
Where. ρ is the density of free flow, free stream velocity is Vp
Degree, S is the reference area, generally take wing area or machine
The maximum cross-section of the body.
CL
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