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है”ह”ह
IS 9057 (1998): Automotive Vehicles - Exhaust Emissions -Carbon Monoxide Concentration at Idling for VehiclesEquipped with Spark Ignition Engines - Method ofMeasurement [TED 2: Automotive Primemovers]
IS 9057 : 1998
vlTcfb7m
Indian Standard
AUTOMOTIVE VEHICLES -EXHAUST EMISSIONS - CARBON MONOXIDE CONCENTRATION AT IDLING FOR VEHICLES EQUIPPED WITH SPARK IGNITION
ENGINES - METHOD OF MEASUREMENT
(Second Revision )
ICS 43.060: 13.040.50
0 BIS 1998
BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
July 1998 Price Group 3
Automotive Primemovers Sectional Committee, TED 2
FOREWORD
This Indian Standard ( Second Revision ) was adopted by the Bureau of Indian Standards, finalized by the Automotive Primemovers Sectional Committee had been approved by Engineering Division Council.
after the draft the Transport
This standard was first published in 1979 and was revised in 1986 to incorporate changes considered necessary during its usage. The present revision has been undertaken to standardize the procedure for measurement of carbon monoxide emissions during idling needed for regulatory, testing and type approval agencies to determine the exhaust carbon monoxide and examine its conformity to the values stipulated by the Government from time to time.
Like in earber standard, the emission limits for different category of vehicles have not been specified as they have already been specified under Central Motor Vehicle Rules and the vehicles fitted with spark ignition ( gasoline ) engines shall comply with those prescribed limits of carbon monoxide emissions at idling.
.
While preparing the standard, considerable assistance has been derived from the following:
IS0 3929 : 1995 Road vehicles - Measurement methods for exhaust gas emissions produced during inspection or maintenance
Annexure I of Ranganathan Committee Report
Details of Standards for Emission of Gaseous Pollutants from Petrol Vehicles and Test Procedures (Part 1 of Dot No. MOSTKMVIU TAP-115-116)
The committee responsible for preparation of this standard is given in Annex A.
In reporting the results of a test or analysis made in accordance with this standard, if the final value, observed or calculated, is to be rounded off, it shall be done in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values ( revised )‘. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.
Is 9057 : 1998
Indian Standard
AUTOMOTIVE VEHICLES -EXHAUST EMISSIONS - CARBON MONOXIDE CONCENTRATION AT IDLING FOR VEHICLES EQUIPPED WITH SPARK IGNITION
ENGINES - METHOD OF MEASUREMENT
( Second Revision)
1 SCOPE
This standard specifies the test procedure for determination of concentration of carbon monoxide emissions from the exhaust of vehicles equipped with spark ignition engines at idling.
2 REFERENCES
The following standards contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the poss- ibility of applying the most recent editions of the standards indicated below:
ISNo.
4167 : 1980
Title
Glossary of terms relating to air pollution (first revision )
14554 : 1998 Automotive vehicles - Exhaust emissions - Apparatus for the measurement of carbon monoxide concentration from vehicles equipped with spark ignition engines at idling - Specification
3 TERMINOLOGY
For the purpose of this standard, the definitions given below in addition to those given in IS 4167 shall
apply.
3.1 Spark Ignition Engine (SI Engine)
Means an internal combustion engine in which the combustion of air/fuel mixture is initiated at given instant by a hot spot, usually an electric spark.
3.2 Idle Speed
Means,the engine speed, in revolution per minute with fuel system controls (accelerator and choke) in the rest
position, transmission in neutral and clutch engaged in the case of vehicles with manual or semiautomatic transmission, or with selector in park or neutral position, when an automatic transmission is installed, as recommended by the manufacturer.
3.3 Normal Thermal Conditions (NTC)
Means the thermal conditions attained by an engine and its drive line after a run of at least 15 minutes on a variable course, under normal traffic conditions.
3.4 Exhaust Emissions
Substances emitted to the atmosphere from any open- ing down stream from the exhaust port of a motor vehicle.
4 TEST PROCEDURE
4.1 The vehicle when subjected to the following test shall meet the limits of carbon monoxide stipulated by Government for that type of the vehicle.
4.2 Description of Test
4.2.1 Requirements of Instrumentation
4.2.1.1 The apparatus used for the measurement of Carbon monoxide (CO) shall meet the requirements specified in IS 14554, and the apparatus used for measurement of the speed shall have an accuracy of l 50 rev/mm.
4.2.1.2 The Instrument shall be prepared, used and maintained as recommended in the instrument manufacturer’s operation manual, and it shall also be serviced and calibrated at such intervals as to ensure accuracy.
4.2.1.3 Within a period of 4 hours before the lnstru- ment is first used, and each time the instrument is moved or transferred to a new environment, a ‘span and zero’ calibration shall be carried out using calibration gas. The calibration shall be performed away from the exhaust of motor vehicles whose engines are running.
IS 9057 : 1998
4.2.1.4 Ifthe sample handling system is not integral with the analyzer, the effectiveness of the condensate traps and all connections of the gas sampling system shall be checked. It shall be checked that filters are clean and filter holders are fitted with their gaskets and they are in good condition.
4.2.1.5 If the Instrument is not self-compensated for non-standard conditions of altitude and ambient temperature or not equipped with a manually controlled system of compensation, the span calibration shall be performed with the calibration gas.
4.2.1.6 It shall be ensured that the sample handling line and probe are free from contaminants and condensates.
4.2.2 Preparation of the Vehicle
4.2.2.1 It shall be ensured that the automotive ve- hicle exhaust system is leak proof and that the manual choke control has been returned to the rest position.
4.2.2.2 It shall be ascertained that the gas sampling probe can be inserted into the exhaust pipe to a depth of at least 300 mm. Owing to the exhaust pipe configuration, if it is not feasible to insert the probe to the stipulated depth of 300 mm, a suitable extension to the exhaust pipe(s) shall be provided and such a connection shall be leak proof.
4.2.2.3 The vehicle shall have attained normal thermal conditions as specified in 3.3, immediately prior to the measurement.
4.2.2.4 The vehicle idling speed (as recommended by the manufacturer) shall be measured and set as specified in 3.2 with all the accessories switched-off.
4.2.3 Measurement Procedure
4.2.3.1 Immediately before the measurement, the engine shall be accelerated to a moderate speed with
no load, maintained for at least 15 s and then returned to idle speed as set in 4.2.2.4.
4.2.3.2 While the engine idles, the sampling probe shall be inserted into the exhaust pipe to a depth not less than 300 mm.
4.2.3.3 The reading shall only be obtained after the engine speed stabilises.
4.2.3.4 The value of CO concentration reading shall be recorded.
4.2.3.5 In cases where gadgets or devices are incorporated in the exhaust system, for dilution of the exhaust, both carbon monoxide (CO) and carbon dioxide (COz) shall be measured using an instrument having facility to measure both (CO and CO2). If the total of the measured values of CO and CO2 ( TCO and Tco,) concentration exceeds 15 percent for four stroke engines and 10 percent for two stroke engines, the measured value of CO shall be considered as carbon monoxide emissions from the vehicle.
If it does not, the corrected value ( T corrected) shall be obtained as outlined below :
T corrected = TCO x 15/(Tc0 + TCOJ for four stroke engines
= Tco x lo/( Tco + Tco,) for two stroke engines
where
TCO = concentration of CO in percentage, and
TCO, = concentration of CO, in percentage.
4.2.3.6 In case the vehicle/engine has multiple exhaust outlets they shall be connected to a manifold arrangement terminating in a single outlet. If a suitable adopter is not available, the arithmetic average of the concentrations from the multiple pipes shall be used.
2
IS 9057 : 1998
ANNEX A
( Foreword )
COMMlTl’EE COMPOSITION
Automotive Primemovers Sectional Committee, TED 2
Members
SHRI M. NIRMAL KUMAR SHRI S. K. RAJU (Alternate)
SHRI HIRA LAL
SHRI M. K. CHAUDHARI SHRI S. BHATTACHARYA (Alternate)
SHRI S. B. RAO SHRI T. M. BALARAMAN (Alternate)
SHRI V. M. MUNDADA SHRI M. NAGASUNDARAM (Alternate)
SHRI B. K. DAITATRE SHRI R. KRISHNAMURTHY (Alternate)
SHRI S. R. TAPADE SHRI S. KUMAR (Allernate)
SHRI ABHAY GUPTA
SHRI V. L. N. RAO SHRI M. M. KANDASWAMY (Alternate)
SHRI SUSHIL KUMAR SHRI S. K. BHARIJ (Alternate)
SHRI V. K. SRIDHAR SHRI I. C. KHANNA (Alternate)
SHRI V. MATHUR SHRI N. RANGANATHAN (Alternate)
SHRI K. C. JAIN SHRI RAW AGARWAL (Alternate)
DR S. SATYA MURTY SHRI S. K. SEAM (Alternate)
SHRI RAVI ADIB
SHRI OM PRAKASH SHRI A. P. BHATTACHARJEE (Alternate)
SHRI J. SHARMA
SHRI A. N. GANLA
SHRI G. B. MUNAKAMIE SHRI S. P. SUBHEDAR (Alternate)
SHRI T. SARANGARAIAN SHRI SHIVA KUMAR (Alternate)
SHRI N. R. GUPTHA SHRI K. L. S. Sarv (Alternate)
Cltairman
DR M . L. MATHUR Alok Villa, 17, Sector A, Shastri Nagar,
Jodhpur 342003
Representing
Ashok Leyland Ltd, Chennai
Association of State Road Transport Undertakings, New Delhi
Automotive Research Association of India, Pune
Bajaj Auto Ltd, Pune
Bajaj Tempo Ltd, Pune
Bharat Earth Movers Ltd, Bangalore
Central Institute of Road Transport, Pune
Daewoo Motors Ltd, New Delhi
Directorate General of Quality Assurance (Vehicles), Ahmednagar
Department of Industrial Policy and Promotion, New Delhi
Directorate General of Supplies and Disposals, New Delhi
Royal Enfield Motors Ltd, Chennai
Escorts Ltd. Faridabad
Either Goodearth Ltd, Ballabhgarh
Hindustan Motors Ltd, Distt. Hooghly
HMT Ltd, Pinjore
Indian Institute of Petroleum, Dehra Dun
Kirloskar Cummins Ltd, Pune
Mahindra & Mahindra Ltd, Nasik
Maruti Udyog Ltd, Gurgaon
Motor Industries Co Ltd, Bangalore
( Continued on page 4 )
3
IS 9057 : 1998
( Continued from page 3 )
Members Representing
SHRI V. K. JAIN Ordnance Factory Board, Calcutta SHRI V. C. VERMA (Alternate)
DIRECTOR (ENGINE DEVELOPMENT) JOINT DIRECTOR (Alternate)
Research, Designs and Standards Organization, Lucknow
SHRI W. N. KHATAVKAR SHRI A. S. PATIL (Alternate)
SHRI S. MURAUDHARAN SHRI S. JANARDHANAN (Alternate I) SHRI R. N. AGARWAL (Alrernare II)
SHRI V. LAKSHMINARAYANAN SHRI S. K. BASU (Alternate)
SHRI P N. BURGUL
SHRI A. B. PHADNIS (Alternate)
SHRI M. N. MURALIKRISHNA
Greaves (I) Ltd, Pune
Simpson t Co Ltd, Chennai
Tata Engineering and Locomotive Co Ltd, Pune
The Premier Automobiles Ltd, Mumbai
TVS Suzuki Ltd, Hosur
DR C. L. DHAMEJANI SHRI K. S. JAIN (Alternate)
SHRI A. R. GULATI, Director ( Transport Engg )
Vehicle Research and Development Establishment, Ahmednagar
Director General, BIS @x-officio Member)
Member Secretary
SHRI M.V. S. D. PRASADA RAO Joint Director ( Transport Engg ), BIS
Method of Test and Pollution Evaluation Subcommittee, TED 2 : 2
Convener
SHRI S. RAJU Automotive Research Association of India, Pune
Members
SHRI R. P. SHARMA SHRI S. K. RAIU (Alternate)
SHRI S. B. RAO SHRI T. M. BALARAMAN (Alternate)
SHRI V. M. MUNDADA SHRI N. NAGASUNDARAM (Alternate)
SHRI S. R. TAPADE SHRI P. C. BARJATIA (Alternate)
SHRI A. K. KHANNA SHRI S. S. UPASANI (Alrernate)
SHRI N. MOHAN
SHRI V. K. SRIDHAR
SHRI P. MADHAVAN (Alternate)
SHRI K. C. JAIN
SHRI W. N. KHATAVKAR SHRI T. P MANI (Alternate)
SHRI R. P. ADIB SHRI J. S. MEHTA (Alternate)
Ashok Leyland Ltd, Chennai
Bajaj Auto Limited, Pune
Bajaj Tempo Ltd, Pune
GIRT, Pune
Controllerate of Quality Assurance (Vehicles), Ptme
Daewoo Motors Ltd, New Delhi
Directorate General of Supplies and Disposals, New Delhi
Escorts Ltd; Faridabad
Greaves (I) Ltd. Pune
Hindustan Motors Ltd, Hooghly
( Continued on page 5 )
4
IS 9057 : 1998
( Continued from page 4 )
Members
SHRI K. K. GANDHI
SHRI MUKESH SAXENA (Alternate)
SHRI R. K. MALHOTRA
SHRI G. K. ACHARYA (Alternate)
SHRI R. VENKATESH GOVIND
SHRI B. K. BARVE (Alternate)
SHRI S. G. SARDESAI
DR P. A. L. NARAYANAN (Alternate)
SHKI S. K. MUKHERJEE
SHRI G. B. MUNAKAMI (Alternare)
SHRI T. SARANGARAJAN
SHRI SHIVA KUMAR (Alternate)
SHRI N. R. GUPTHA
SHRI K. L. S. SKY (Alternate)
SHRI P. N. BURGUL
SHRI S. MURALIDHARAN
SHRI S. JANARDHANAN (Alternate)
SHRI V. D. PA~HAK
SHRI V. LAKSHMINARAYAN SHRI S. P JOSHI (Alrernare I)
SHRI R. N. AGARWAL (Alternate II)
SHRI M. N. MURALIKRISHNA
SHRI V. RAMACHANDRA BABY (Alternate)
DR S. GOVINDARAJAN
SHRI K. S. JAIN SHRI R. RAJAN (Alrernate)
Representing
Indian Institute of Petroleum, Dehra Dun
Indian Oil Corporation Ltd. Research and Development Centre,
Faridabad
Kinetic Engineering Ltd. Pune
Kirloskar Oil Engines Ltd, Pune
Mahindra & Mahindra Ltd. Nasik
Maruti Udyog Limited, Gurgaon
Motor Industries Co Ltd, Bangalore
Premier Automobiles Limited, Mumbai
Simpson & Co Ltd, Chennai
Space Carburettors Ltd, Pune
Tata Engineering & Loco Co Ltd, Pune
TVS Suzuki Ltd, Hosur
UCAL Carburettors Ltd, Chennai
Vehicle Research and Development Establishment, Ahmednagar
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Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for %?ision. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of ‘BIS Handbook’ and ‘Standards : Monthly Additions’.
This Indian Standard has been developed from Dot : No. TED 2 ( 186 ).
Amendments Issued Since Publication
Amend No. Date of Issue Text Affected
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