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GB/T 24958.1-2010: Refrigerated light hydrocarbon fluids -- Calibration of spherical tanks in ships -- Part 1: Stereo photogrammetry
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Refrigerated light hydrocarbon fluids -- Calibration of spherical tanks in ships -- Part 1: Stereo photogrammetry
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GB/T 24958.1-2010
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Basic data | Standard ID | GB/T 24958.1-2010 (GB/T24958.1-2010) | | Description (Translated English) | Refrigerated light hydrocarbon fluids -- Calibration of spherical tanks in ships -- Part 1: Stereo photogrammetry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E24 | | Classification of International Standard | 75.060 | | Word Count Estimation | 22,277 | | Date of Issue | 2010-08-09 | | Date of Implementation | 2010-12-01 | | Quoted Standard | ISO 7078-1985; ISO 8311-1989 | | Adopted Standard | ISO 9091-1-1991, IDT | | Regulation (derived from) | National Standard Approval Announcement 2010 No.3 (Total No.158) | | 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 internal spherical tanks of liquefied gas transport on the three-dimensional photographic measurement procedures. | GB/T 24958.1-2010: Refrigerated light hydrocarbon fluids -- Calibration of spherical tanks in ships -- Part 1: Stereo photogrammetry
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Refrigerated light hydrocarbon fluids Calibration of spherical tanks in ships Part 1. Stereo photogrammetry
ICS 75.060
E24
National Standards of People's Republic of China
Refrigerated light hydrocarbon fluids calibration of spherical tanks on board
Part 1. stereoscopic measurement
Part 1. Stereophotogrammetry
(ISO 9091-1.1991, IDT)
Issued on. 2010-08-09
2010-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Note 3
5 Equipment 3
6 Preparations 4
7 pictures 4
8 Supplementary Measure 4
5 9 photo processing
10 coordinate determination 5
11 Data processing 5
12 Calculation procedure 5
13 Calibration Table 6
Appendix A (informative) Safety Precautions 8
Accuracy Annex B (informative) Calibration of 9
Appendix C (Informative Appendix) -160 ℃ under the main metering represents Example 10
Annex D (informative) Example of pitch correction 12
Annex E (informative) Example of correction heeling 14
Annex F (informative) tank wall expansion or contraction correction represents Example 16
Foreword
GB/T 24958 "Calibration Refrigerated light hydrocarbon fluids spherical tank ship" is divided into two parts.
--- Part 1. stereoscopic measurement
--- Part 2. triangulation
This section GB/T 24958 Part 1.
This part identical with ISO 9091-1.1991 "Calibration Refrigerated light hydrocarbon fluids - Part 1 spherical tanks on board. three-dimensional photographic measurements
Method. "
This section is equivalent translation ISO 9091-1.1991.
For ease of use, this part of ISO 9091-1.1991 made the following editorial changes.
a) will apply to a number of statements to international standards applicable to our standard formulation;
b) use a decimal point instead of a decimal comma ",". ",";
c) Remove international standards foreword, preface to rewrite this section;
d) with the GB/T 1.1-2000 introductory phrase in the normative references instead of ISO 9091-1.1991 to guide language.
This section Appendices A to F are informative appendices.
This part of the National Gas Standardization Technical Committee (SAC/TC244) proposed.
This part of the National Gas Standardization Technical Committee (SAC/TC244) centralized.
This section is responsible for drafting units. China Southwest Oil and Gas Field Branch Gas Research Institute of Petroleum.
This section participated in the drafting unit. China Petroleum Natural Gas Pipeline Branch Nanjing Measurement and Testing Center, China PetroChina Southwest Oil and Gas Field at public
SECRETARY measuring and testing center, China Petroleum Engineering Co., Ltd. Southwest Branch, China CNOOC Gas and Power Co., Ltd. Company
Secretary, China PetroChina Dalian LNG project department.
The main drafters of this section. Zhang Yana, Luo Qin, Zhang Yuan, Li Weicheng, XIA Fang, paragraph following the celery, Huang Liming, Chang Hong Kong, Zhao Jing.
Introduction
Near atmospheric pressure, a large number of light hydrocarbons containing 1 to 4 carbon atoms and are stored frozen in liquid transport by sea. Such liquid
It can be divided into two categories. Liquefied natural gas (LNG) and liquefied petroleum gas (LPG). In order to make shipping safe and economical, a large number of these liquids
Transported on ship design and construction requires a special technique.
In custody transfer for the purpose of determining the amount of the tank cargo ship must achieve a high level of accuracy. This section and the same series
Other provisions of the standards are internal measurements aboard tanks, this method can be deduced from the tank calibration tables.
For internal measurements, typically using a liquid correction method, physical measurements, optical measurement and three-dimensional photographic measurements. Liquid correction method does not
For large spherical tank near atmospheric pressure canned light hydrocarbons frozen, canned quiet because when the liquid is higher than a plane, the applied correction fluid
Hydraulic may exceed the design pressure. From considering the accuracy of the method, if the correction results from other methods suspicious, you can use three-dimensional photographic
Measurement as arbitration. Three-dimensional photographic measurements include pictures of the tank wall and interior photos of the target analysis.
This section clearly defines the mapping camera to take pictures with a universal perspective and analyze the plotter approach.
Refrigerated light hydrocarbon fluids calibration of spherical tanks on board
Part 1. stereoscopic measurement
1 Scope
Section 1.1 provides for the internal spherical tanks of liquefied gas vehicles on the three-dimensional photographic measurement procedures.
1.2 In addition to the actual measurement step, this section describes the computer program to edit the calibration table.
2 Normative references
The following documents contain provisions which, through reference GB/T 24958 in this section constitute provisions of this section. For dated references
Documents, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encourage the present section
Research on whether the parties reached an agreement to use the latest versions of these documents. For undated references, the latest version applies to
This section.
ISO 7078. 1985 Housing construction actinomycetes, measurements and observations vocabulary procedures and guidance notes
ISO 8311. 1989 Refrigerated light hydrocarbon fluids marine diaphragm and separation prism type storage tank calibration Physical measurement
3 Terms and Definitions
The following terms and definitions apply to this section.
3.1
Absolute orientation absoluteorientation
Through internal and relative orientation of the three-dimensional model constituted final correction process, in this process, three-dimensional scale model is converted into real
Actual length, its inclination is adjusted to the actual state of the tank.
3.2
Calibration calibration
Determine the total volume of the tank or the portion corresponding to a different level of volume in the process.
3.3
Calibration table (primary meter) calibrationtable (maingaugetable)
A table is commonly referred to as the tank calibration table or tank volume table showing the ship under the draft level and upright state from the measurement reference point measured
Different level corresponding to the tank volume or volume.
3.4
Reference point datumpoint
Tank calibration Omote South Pole ratio.
3.5
Stay wood deadwood
It affects all members of the tank volume. When the volume of the member so that the effective volume of the tank is increased, stayed the wood called "Wood stay positive", when the volume of member
Displaces the liquid volume decreases the effective volume of the tank, the spent wood called "negative stay wood."
3.6
Equatorial equator
Spherical shell maximum horizontal circumference.
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