GB/T 5741-2008 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5741-2008	120	Add to Cart	Auto, < 3 mins	Measure method for exhaust smoke of marine diesel engine	Valid
GB/T 5741-1985	199	Add to Cart	2 days	Measurement method for exhaust gas smoke of marine diesel engine	Obsolete

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Basic data

Standard ID: GB/T 5741-2008 (GB/T5741-2008)
Description (Translated English): Measure method for exhaust smoke of marine diesel engine
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U44
Classification of International Standard: 47.020.20
Word Count Estimation: 7,722
Date of Issue: 2008-08-04
Date of Implementation: 2009-02-01
Older Standard (superseded by this standard): GB/T 5741-1985
Regulation (derived from): National Standard Approval Announcement 2008 No.12 (Total No.125)
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 marine diesel engine (hereinafter referred to as " engine ") methods of measurement of exhaust smoke. This standard applies to marine diesel engine exhaust measurement of smoke.

GB/T 5741-2008: Measure method for exhaust smoke of marine diesel engine

---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.
Measure method for exhaust smoke of marine diesel engine ICS 47.020.20 U44 National Standards of People's Republic of China Replacing GB/T 5741-1985 Marine diesel engine exhaust smoke measurement Posted 2008-08-04 2009-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 5741-1985 "marine diesel engine exhaust smoke measurement method." This standard and GB/T 5741-1985 compared to the main technical changes are as follows. --- Modify the "smoke" is defined, an increase of "soot", "filter type values" and other definitions; --- Increasing the test principle; --- Deletion of the requirements for sampling hoses dead volume; --- Modify the sampling probe installation requirements; --- Deletion of the suction pump leakage requirements; --- Increased test reporting requirements. The standard proposed by China State Shipbuilding Corporation. This standard by the National Standardization Technical Committee diesel marine machinery Technical Committee. This standard was drafted. China Shipbuilding Technology and Economy Research Institute, Dalian Maritime University, Weichai Power Co., Ltd., China Shipbuilding Industry Corporation seventh eleven Research Institute, Qingdao Branch of China Classification Society. The main drafters of this standard. Li Bin, Liyun Jiang, Ji Wen, Li Jun, Hu Guangfu, Zhang Union. This standard replaces the standards previously issued as follows. --- GB/T 5741-1985. Marine diesel engine exhaust smoke measurement

1 Scope

This standard specifies the marine diesel engine (hereinafter referred to as "diesel") Measurement of exhaust smoke. This standard applies to marine diesel engine exhaust smoke measurements of.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 9804 smoke-card standard

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Solutions of the heat from the combustion or suspended in the exhaust visible solid and/or liquid particles. [GB/T 8190.3-2003, the definition 3.1] NOTE. Depending on the source of particulate matter in general can be divided into black smoke, blue smoke and white smoke. Black smoke (soot) composed mainly of carbon particles, usually endless blue smoke from the fuel or lubricating oil Full combustion particles formed by the condensation of water vapor is usually white smoke or vapor from liquid fuel. 3.2 Characterization of diesel particulate matter concentration in the exhaust parameters, expressed in filter paper smoke (SF). 3.3 All included in the exhaust filter paper blackened manipulation components. [GB/T 8190.3-2003, the definition 3.6] 3.4 To measure the characteristics of exhaust smoke. It represents a provision in the exhaust plume of smoke through the carbon filter it so clean filter paper blacked Cheng The value of degrees. [GB/T 8190.3-2003, the definition 3.7] NOTE. It is now a unit of smoke (FSN), see GB 9804. 3.5 So that a predetermined amount of exhaust gas through a certain area of \u200b\u200bclean filter paper, filter paper to determine smoke value of the instrument with a degree black filter paper. [GB/T 8190.3-2003, the definition 3.10]

4 measuring principle

Sampling tube from the exhaust pipe exhaust gas samples withdrawn passed through a known area of \u200b\u200bthe filter paper. The filter is effective length of the LV column ......

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