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GB/T 35178-2017

Chinese Standard: 'GB/T 35178-2017'
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Detail Information of GB/T 35178-2017; GB/T35178-2017
Description (Translated English): Fuel cell electric vehicles--Hydrogen consumption--Test methods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T47
Classification of International Standard: 43.080.01
Word Count Estimation: 10,194
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Drafting Organization: China Automotive Technology Research Center, Tongji University, China Automotive Engineering Research Institute Co., Ltd., Shanghai Automotive Group Co., Ltd., Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhejiang University, Tsinghua University
Administrative Organization: National Automotive Standardization Technical Committee (SAC/TC 114)
Proposing organization: Ministry of Industry and Information Technology of the People's Republic of China
Issuing agency(ies): People's Republic of China General Administration of Quality Supervision, Inspection and Quarantine, China National Standardization Administration

GB/T 35178-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.080.01
T 47
Fuel cell electric vehicles -
Hydrogen consumption - Test methods
燃料电池电动汽车 氢气消耗量 测量方法
ISSUED ON. DECEMBER 29, 2017
IMPLEMENTED ON. JULY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
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Table of Contents
Foreword ... 3 
1 Scope .. 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Test apparatus ... 5 
5 Test methods .. 5 
Annex A (Normative) Pressure-temperature method .. 7 
Annex B (Normative) Weight analysis method .. 10 
Annex C (Normative) Hydrogen flow method ... 12 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard was proposed by the Ministry of Industry and Information Technology of
the People’s Republic of China.
This Standard shall be under the jurisdiction of the National Technical Committee of
Auto Standardization (SAC/TC 114).
The drafting organizations of this Standard. China Automotive Technology and
Research Center, Tongji University, China Automobile Engineering Research Institute
Co., Ltd., SAIC Motor Corporation Limited, Chinese Academy of Sciences Dalian
Institute of Chemical Physics, Zhejiang University, Tsinghua University.
The main drafters of this Standard. He Yuntang, Hou Yongping, Zhao Jingwei, Wu Bing,
Hou Ming, Zheng Jinyang, Zhang He.
Fuel cell electric vehicles -
Hydrogen consumption - Test methods
1 Scope
This Standard specifies the test method for hydrogen consumption of fuel cell electric
vehicles.
This Standard applies to fuel cell electric vehicles on which compressed hydrogen is
used (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 Standard.
GB 18352.5-2013, Limits and measurement methods for emissions from light-duty
vehicles
GB/T 19754-2015, Test methods for energy consumption of heavy-duty hybrid
electric vehicles
GB/T 24548, Fuel cell electric vehicles - Terminology
3 Terms and definitions
For the purposes of this document, the following terms and definitions and those
defined in GB/T 24548 apply.
3.1
pressure-temperature method
A method for the calculation of hydrogen consumption by measuring the pressure and
temperature of the gas in high-pressure hydrogen tanks before and after test. Use
hydrogen tanks of known internal volume whose temperature and pressure can be
measured.
3.2
weight analysis method
Annex A
(Normative)
Pressure-temperature method
A.1 Test hydrogen tank is installed outside the vehicle as the fuel supply source of
the fuel cell electric vehicle.
A.2 Test hydrogen tank is connected with fuel cell through a bypass pipeline which
is installed inside fuel pipe in the fuel cell system. The bypass pipeline shall be installed
securely to prevent leakage, release or entry into the air which is caused by vibration.
A.3 Fuel filling pressure shall be adjusted to the range recommended by the
manufacturer.
A.4 Test hydrogen tank shall comply with the following requirements.
--the internal volume of accessories (such as pressure reducing valves and
pipelines) is known;
--the internal air pressure and air temperature can be tested;
--the change in volume during the high-pressure filling process is small;
--it has been calibrated.
A.5 Test is conducted in accordance with the following procedure.
a) conduct test in accordance with the test procedure specified in 5.2;
b) before starting test, first test the air pressure and air temperature of test hydrogen
tank;
c) after test, test the air pressure and air temperature of test hydrogen tank;
d) substitute the air pressures and temperatures tested before and after test into
Equation (A.1) and calculate hydrogen consumption.
where,
w--the fuel consumption during measurement, in g;
m--the molar mass of hydrogen molecule (2.016), in g/mol;
Annex B
(Normative)
Weight analysis method
B.1 Test hydrogen tank is installed outside the vehicle as the fuel supply source of
the fuel cell electric vehicle.
B.2 Test hydrogen tank is connected with fuel cell through a bypass pipeline which
is installed inside fuel pipe in the fuel cell system. The bypass pipeline shall be installed
securely to prevent leakage, release or entry into the air which is caused by vibration.
B.3 Fuel filling pressure shall be adjusted to the range recommended by the
manufacturer.
B.4 When weighing equipment is used to weigh test hydrogen tank before and after
test respectively, appropriate measures shall be taken to mitigate the influences of the
factors including vibration, convection current and environmental temperature, such as
attenuating plate and windshield glass.
B.5 The weight of hydrogen tank shall be as light as possible.
B.6 The test procedure is as follows.
a) before test, use weighing appliance to weigh test hydrogen tank;
b) connect test hydrogen tank to pipeline. During connection, set the pressure ......
Related standard:   GB/T 35179-2017  GB/T 37340-2019
   
 
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