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Hari Shankar Singhania Elastomer And Tyre Research Institute

Vehicle Dynamics & Noise Vibration Engineering

VEHICLE DYNAMIC TESTING:

• Experimental evaluation of Ride and Handling characterization of tyre

• Study of vibration & acoustic characteristics

• Tyre performance in acceleration/braking/cost down test

• Determination of tyre-road adhesion limits

• Determination of fuel efficiency of vehicle

• Steering comfort study Equipment/Facilities

• Pulse Multi Analyser System for Noise and Vibration

• FFT Analyser

• GPS based V-box 3i System with IMU sensor for handling test

• “g” analyst

• Wheel aligner & tyre dynamics balancer

• Fuel Flow Meter

• Steering Wheel Transducer


Sound Quality System


Test Track, Sriperumbudur

UNIFORMITY PREDICTION THROUGH SIMULATION:

Tyre pattern features and pitch sequencing influencing tyre Uniformity. Designer can use this tool to optimise tyre performance with respect to ride comfort.

SEMI ANECHOIC CHAMBER & NVH SYSTEM:

State of the art noise vibration and harshness (NVH) testing facility & Capability:

TESTING FACILITY

• Semi-Anechoic Chamber (10.8 m x 7.8 m x 4.5 m) 100 Hz cutoff

• Pass-by Noise Testing Facility

• Chassis Dynamometer (2WD)

CAPABILITY

• Capable of doing following test as per ISO, SAE, ASTM, DIN and BIS

• Interior noise and Sound quality analysis

• Tyre noise testing, Pass-by noise testing as per ISO 362 and ISO 13325 (R117 Regulation)

• Modal experimental analysis as per SAE 2710

• Transfer Path Analysis (TPA)

• Vehicle ride quality and comfort testing


Semi-Anechoic Chamber


Truck Tyre Noise Testing


Vehicle Interior Noise Study inside Anechoic Chamber


Pass-by and Coast-by Noise Tests (ISO)