HOME TEST LABS NVH LAB

NVH LAB

NVH lab at ICAT would be one of the unique facility in India for research and development of vehicles and components. The Centre of Excellence would offer services in the field of

Vehicle interior and exterior noise analysis
Squeak & rattle analysis
Sound transmission Loss, Sound Absorption Coefficient
Modal Testing on components, sub-assemblies and vehicles

Capabilities

MoRTH/TAP/115-116
Automotive BS III to BS VI (ESC, ELR, ETC, FAS, WHTC,
WHSC, NRTC, NRSC etc.)
ISO 8178 (TREM-III, III A) for CEV, Tractor & Power-Tillers
Bharat (Non-road) Stage IV Testing
Genset - CPCB-II
Genset testing as per IS 11170 & IS 10000
FTP test as per IS:14599
Tractor smoke test as per EPA 40 CFR – Part 89
Tractors and PTO IS : 12036-1999 and IS:9253-1987
Durability Test as per customer desired test cycles.
Full flow and partial flow Dilution tunnels
Altitude Simulation up to 2000 m above sea level (81-102kPA)

Following chambers would be available after commissioning of the lab:

PCVSAC (PASSENGER CAR VEHICLE SEMI ANECHOIC CHAMBER)
HDVSAC (HEAVY DUTY VEHICLE SEMI ANECHOIC CHAMBER)
QUIET ROOM
COUPLED ACOUSTIC ROOMS
LISTENING ROOM

PCVSAC (PASSENGER CAR VEHICLE SEMI ANECHOIC CHAMBER)

Specifications:

PCVSAC (PASSENGER CAR VEHICLE SEMI ANECHOIC CHAMBER)
HDVSAC (HEAVY DUTY VEHICLE SEMI ANECHOIC CHAMBER)
QUIET ROOM
COUPLED ACOUSTIC ROOMS
LISTENING ROOM

Purpose:

Indoor Pass-By Noise evaluation on running vehicle (source identification)
Indoor In-cabin NVH Performance – Analysis & Source Identification
Transfer Path Analysis on a running vehicle

HDVSAC (HEAVY DUTY VEHICLE SEMI ANECHOIC CHAMBER)

Specifications:

Internal useful dimensions: 16m x 12m x 5 m.
Cut-off frequency : 40 Hz (ISO 3745) in one-third octave band
Background noise : ≤ 20 dB(A)
2WD dynamometer
Maximum speed: 130 km/h
Maximum weight : 12000 Kg
Maximum Weight per axle : 7000 Kg

Purpose:

Noise Source Identification on running vehicle
Transfer Path Analysis on a running vehicle
Indoor In-cabin NVH Performance – Analysis & Source identification

Specifications:

Internal useful dimensions : 17m x 8m x 5m
Background noise ≤ 30 dBA
Cut-off frequency : 125 HZ in one-third octave band

Purpose:

To perform FRF measurements (acoustic and vibration) on system or complete vehicle under free-free condition
For development of components, sub-assemblies, assemblies and complete vehicles for NVH performance, analysis and optimization
For correlation between prototype and CAE results

COUPLED ACOUSTIC ROOMS

Specifications:

Two Reverberant (Transmitting) rooms (horizontal & vertical)
One semi anechoic (receiving) room of internal useful dimensions: 8m x 6m x 4m.
Cut-off frequency of anechoic chamber: 125Hz in one-third octave band
Background noise: ≤ 25dB(A)

Purpose:

Measurement of Sound Transmission, Insertion Losses & Sound Absorption Coefficient of Acoustic Materials
To evaluate the structure and air borne noise
Transfer Path Analysis on a running vehicle

Specifications:

Internal useful dimensions: 6m x 6m x 3.5m high.
Background noise : <35dB(A).

Purpose:

Benchmarking and evaluation of noise targets for components, sub-assemblies and vehicles
Just test sessions.

HOME TEST LABS NVH LAB

NVH LAB

Capabilities

Following chambers would be available after commissioning of the lab:

PCVSAC (PASSENGER CAR VEHICLE SEMI ANECHOIC CHAMBER)

Specifications:

Purpose:

HDVSAC (HEAVY DUTY VEHICLE SEMI ANECHOIC CHAMBER)

Specifications:

Purpose:

QUIET ROOM

Specifications:

Purpose:

COUPLED ACOUSTIC ROOMS

Specifications:

Purpose:

LISTENING ROOM

Specifications:

Purpose:

ABOUT US

SERVICES

EVENTS

SEMINARS

SYMPOSIUM

TEST LABS

INFORMATION & DOWNLOADS

CONTACT US