GB/T 36885-2018Measure method for SOx emission of marine diesel engine (English PDF)
船用柴油机硫氧化物排放测量方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 17, 2018
Implementation date
April 1, 2019
Scope
GB/T 36885-2018 is the English-translated version of 船用柴油机硫氧化物排放测量方法.
GB/T 36885-2018 gives a method for measuring the sulfur oxide (SOx) emissions of marine diesel engines in bench tests. It sets the measurement conditions, including the test condition parameter fa, which must lie between 0.93 and 1.07, the requirements on the test engine, such as intake resistance, and the measuring instruments.
It then describes the arrangement of sampling points, the preparation before measurement and the measurement steps. Data processing covers the validity of measured data, the calculation of exhaust mass flow and the conversion between the SO2/CO2 ratio and fuel sulfur content, followed by the content of the measurement report.
Informative annexes give record tables for fuel properties and measurement data. It was issued on 17 September 2018 and has applied since 1 April 2019.
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Document preview — GB/T 36885-2018
National Standard of the People's Republic of China
- ICS
- 47.020.20
- Classification
- U 44
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Measurement conditions and instruments
- 3.1 Measurement conditions
- 3.2 Measuring instruments
- 4 Measurement process
- 4.1 Sampling point arrangement
- 4.2 Preparation before measurement
- 4.3 Measurement Step
- 5 Measurement Data Processing
- 5.1 Measurement data validity
- 5.2 Calculation of exhaust mass flow rate
- 5.3 Conversion of SO2/CO2 ratio and sulfur content
- 6 Measurement Report
- Appendix A (informative appendix) Diesel engine fuel characteristic parameter record table
- Appendix B (informative) Diesel engine sulfur oxide emission measurement data record table
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the measurement conditions and instruments, measurement procedures, measurement data processing and measurement reports of marine diesel engine sulfur oxide emissions.
This standard applies to bench test measurements of marine diesel engine sulfur oxides.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 8190.1-2010 - Determination of emissions from reciprocating internal combustion engines - Part 1
GB/T 8190.4-2010 - Determination of emissions from reciprocating internal combustion engines - Part 4
3 Measurement conditions and instruments
3.1 Measurement conditions
3.1.1 Test condition parameters
3.1.1.1 For naturally aspirated and supercharged diesel engines, the test condition parameters fa are calculated according to equation (1); for cold air with or without intake air However, the turbocharged engine has a test condition parameter fa calculated according to equation (2). The dry atmospheric pressure pS in the formula is calculated according to the formula (3).
pS=pB-0.01·pa·Ra (3)
In the formula:
Fa---test condition parameters of diesel engine; pS---dry atmospheric pressure in kilopascals (kPa);
Ta---the absolute temperature of the inhaled air in Kelvin (K); pB---total pressure in kilopascals (kPa);
Pa---the saturated vapor pressure of the inhaled air in kilopascals (kPa); Ra---relative humidity of inhaled air, %.
3.1.1.2 Determination of test validity
The test condition parameters should satisfy 0.93 <= fa <= 1.07.
3.1.2 Test diesel engine requirements
3.1.2.1 The diesel engine intake resistance of the test shall be controlled within ±300 Pa of the full load specified by the manufacturer, if the diesel engine has been equipped An integrated air intake system should be used for testing.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 8190.1-2010Reciprocating internal combustion engines - Exhaust emission measurement - Part 1: Test-bed measurement systems of gaseous and particulate emissions
- GB/T 8190.4-2010Reciprocating internal combustion engines - Exhaust emission measurement - Part 4: Steady-state and transient test cycles for different engine applications
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Related Standards
GB/T 8190.1-2010 — Reciprocating internal combustion engines - Exhaust emission measurement - Part 1: Test-bed measurement of gaseous and particulate exhaust emissions
GB/T 8190.4-2010 — Reciprocating internal combustion engines - Exhaust emission measurement - Part 4: Steady-state test cycles for different engine applications
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