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GB/T 37154-2018

Chinese Standard: 'GB/T 37154-2018'
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Detail Information of GB/T 37154-2018; GB/T37154-2018
Description (Translated English): Fuel cell electric vehicles--Test methods of hydrogen emission
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T10
Classification of International Standard: 43.060.01
Word Count Estimation: 10,156
Date of Issue: 2018-12-28
Date of Implementation: 2019-07-01
Drafting Organization: Tongji University, China Automotive Technology and Research Center Co., Ltd., China Automotive Engineering Research Institute Co., Ltd., Shanghai Automotive Group Co., Ltd., Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhejiang University, Shanghai Motor Vehicle Testing and Certification Technology Research Center Co., Ltd., Shenzhen Standardization Institute
Administrative Organization: National Automotive Standardization Technical Committee
Proposing organization: Ministry of Industry and Information Technology

GB/T 37154-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.060.01
T 10
Fuel cell electric vehicles -
Test methods of hydrogen emission
燃料电池电动汽车 整车氢气排放测试方法
ISSUED ON. JULY 8, 2018
IMPLEMENTED ON. JULY 1, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 Test apparatus ... 4
5 General requirements ... 5
6 Test methods ... 5
Annex A (Normative) Methods for calculating hydrogen emission ... 8
Fuel cell electric vehicles -
Test methods of hydrogen emission
1 Scope
This Standard specifies the test methods for hydrogen emission of fuel cell electric
vehicles.
This Standard applies to fuel cell electric vehicles (of categories M and N) using
compressed hydrogen as fuel (hereinafter referred to as “vehicles”).
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to this document.
GB 18352.5-2013, Limits and measurement methods for emissions from light-duty
vehicles (China 5)
GB/T 19754, Test methods for energy consumption of heavy-duty hybrid electric
vehicles
GB/T 24548, Fuel cell electric vehicles – Terminology
ISO/TS 14687-2, Hydrogen fuel – Product specification – Part 2. Proton exchange
membrane (PEM) fuel cell applications for road vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 24548 apply.
4 Test apparatus
4.1 Chassis dynamometer and its testing accuracy shall be as specified in GB 18352.5-
2013.
As specified by manufacturers, start fuel cell engine to maintain it in the idle state;
maintain for 1 min after each time of exhausting and purging; stop engine in
accordance with the procedures specified by manufacturers.
6.1.3 Measurement of relative volume concentration of hydrogen emission
Relative volume concentration of hydrogen emission shall be measured as follows.
a) carry out hydrogen emission relative volume concentration measurement from
starting fuel cell engine until fuel cell engine is fully stopped;
b) location of measurement points. 100 mm outside exhaust ports, located on the
extension line of geometrical center line of exhaust ports.
6.1.4 Test requirements
Test process shall meet the following requirements.
a) test is carried out for one time;
b) record continuously the time history curve of hydrogen emission relative volume
concentration with the sampling frequency not lower than 5 Hz.
6.2 Hydrogen emission in the working state under cyclic operation conditions
6.2.1 Preparation of test vehicles
Before test is officially started, place test vehicle on a chassis dynamometer with load
and inertia simulation; carry out test at a certain speed to make the working
temperature of fuel cell electric engine to achieve the working state temperature as
specified by manufacturers; then stop vehicle and shut down fuel cell electric engine.
6.2.2 Test process
Test process shall meet the following requirements.
a) fuel cell electric vehicles of categories M1 and N1, and M2 (total mass not
exceeding 3.5 t for category M2). load of test vehicle is applied as specified in
GB 18352.5-2013. Start vehicles in accordance with the procedures as specified
by manufacturers; carry out test under the cyclic operation conditions (including
urban operation cycles and urban operation cycles) as specified in GB 18352.5-
2013, Appendix CA. During test, the deviations of vehicle speed shall be as
specified in GB 18352.5-2013. For fuel cell electric vehicles of categories M2, M3,
N2 and N3 with a total mass exceeding 3.5 t. load of test vehicle is applied as
specified in GB/T 19754-2015. Start vehicle in accordance with the procedure as
specified by manufacturers; carry out test under the Chinese typical urban public
transportation cyclic working conditions as specified in GB/T 19754-2015, Annex
Annex A
(Normative)
Methods for calculating hydrogen emission
A.1 Actual hydrogen consumption of fuel cell stack
If the results of hydrogen mass flowmeter are recorded in flow unit, then the actually
measured hydrogen consumption of fuel cell stack within a time is calculated in
accordance with Equation (A.1).
where.
MH2 – the actually measured hydrogen consumption of fuel cell stack, in g;
mH2 – the actually measured hydrogen flow of fuel cell stack, in g/s;
T1 – the starting time, in s;
T2 – the end......
Related standard:   GB/T 34593-2017  GB/T 34600-2017
   
 
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