GB/T 7187.1-2021Fuel oil consumption for transportation ships—Part 1: Calculation method for marine ships (English PDF)
运输船舶燃油消耗量 第1部分：海洋船舶计算方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 20, 2021
Implementation date
March 1, 2022
Scope
GB/T 7187.1-2021 is the English-translated version of 运输船舶燃油消耗量 第1部分：海洋船舶计算方法.
GB/T 7187.1-2021 is the Chinese method for calculating the fuel oil consumption of seagoing transport ships. It applies to container ships, general cargo ships, dry bulk carriers, liquid bulk carriers, passenger ships and other seagoing vessels propelled by diesel engines.
It defines voyage, segment, voyage fuel oil consumption, the frequent running state of the main engine, manoeuvring navigation and the additional consumption of auxiliary engines, and it gives the formulas for the fuel used over a voyage by the main engine at constant speed and when manoeuvring, by the generator sets and by the boilers, as well as the fuel replaced by shore power.
Annexes give a worked example and conversion coefficients for other energy sources. It replaces GB/T 7187.1-2010, was issued on 20 August 2021 and has applied since 1 March 2022.
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Document preview — GB/T 7187.1-2021
National Standard of the People's Republic of China
- ICS
- 03.220.40
- Classification
- R 06
- Replacing
- GB/T 7187.1-2010
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Terms and definitions
- 3 Fuel consumption of ship voyage
- Appendix A (informative appendix) Calculation example of fuel consumption of ocean transport ships
- Appendix B (informative appendix) Reference coefficients of various energy conversion standard oils in the calculation formula
Foreword
GB/T 7187 "Fuel Consumption of Transport Ships" is divided into two parts.
---Part 1: Calculation method for ocean ships;
---Part 2: Calculation method for inland watercraft.
This part is Part 1 of GB/T 7187.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 7187.1-2010 "Fuel Consumption of Transport Vessel Part 1: Calculation Method for Ocean Vessels". and Compared with GB/T 7187.1-2010, the main technical changes except for editorial changes are as follows.
---Modified the scope of application of the standard (see Chapter 1, Chapter 1 of the 2010 edition);
---Added the definition of flight segment (see 2.2);
---Modified the definition of additional fuel consumption of marine diesel generator sets (see 2.6, 2010 edition of 2.1.5);
---The definition of the amount of fuel substitution for shore power used by ships has been added (see 2.7);
---Modified the calculation method of fuel consumption for ships' voyages (see 3.1, 3.1 in 2010 edition);
---Modified the calculation method of main engine fuel consumption when the ship is sailing at constant speed and maneuvering (see 3.2, 3.2 in the 2010 edition);
---Modified the calculation method of fuel consumption of marine generator sets (see 3.3, 3.3 in 2010 edition);
---Modified the calculation method of fuel oil consumption of ship boilers (see 3.4, 3.4 in 2010 edition);
---The calculation method for the amount of fuel substitution for shore power used by ships has been added (see 3.5);
--- Delete the list of symbols (see Appendix A of the 2010 edition);
---Modified the calculation example of fuel consumption of marine transportation ships (see Appendix A, Appendix B of the 2010 edition);
---Added the reference coefficients of various energy conversion standard oils in the calculation formula (see Appendix B).
1 Scope
This part of GB/T 7187 specifies the calculation method for fuel consumption of marine transportation vessels.
This part is applicable to container ships, general cargo ships, dry bulk carriers, liquid bulk carriers, passenger ships and others that use diesel engines as the main propulsion power.
Calculation of fuel consumption of various marine transportation vessels such as ships.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1 Voyage
The process by which a ship completes a shipping task.
2.2 Segment
The time period from the departure of one unloading port to the departure of the next unloading port.
2.3 Voyage fuel oil consumption
The fuel consumption of the ship per voyage.
2.4 Common operating conditions of ship main engine
According to the main engine performance and operating conditions and requirements, the operating conditions that the main engine often uses are determined.
2.5 Maneuver navigation
Ships entering and leaving ports or navigating during the changing conditions of the main engine on narrow waterways.
2.6 Additional fuel oil consumption for auxiliary engine
Ships carrying refrigerated cargo, self-loading and unloading of ships or liquid bulk carriers starting non-steam-driven cargo oil pumps, etc., fuel oil added to diesel generator sets consumption.
2.7 Fuel oil substitution for using shore-to-ship power
The fuel consumption corresponding to the electricity consumed by ships using land-based shore-based power supply.
3 Fuel consumption of ship voyage
3.1 Fuel consumption of ship voyage
The fuel consumption of the ship's voyage is calculated according to formula (1) (see Appendix A for calculation examples).
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 7187.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 7187.1-2021 | Fuel oil consumption for transportation ships—Part 1: Calculation method for marine ships | current edition | Current |
| GB/T 7187.1-2010 | Fuel oil consumption for transportation ships—Part 1: Calculation method for marine ships | previous edition | Superseded |
This page sells the current edition, GB/T 7187.1-2021. Earlier editions are listed for reference only.
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Related Standards
GB/T 7187.2-2010 — Fuel oil consumption for transportation ships - Part 2: Calculation methed for inland ships
GB/T 7187.2-2026 — Fuel oil consumption for transport ships - Part 2: Calculation method for inland vessels
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