NVH Testing Lab and composite Structures Laboratory
NVH Testing Lab:
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Fig. 1 Semi Anechoic Chamber
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Fig. 2. Experimental Modal analysis setup
S.No. |
Name of Equipments |
Specifications |
Quantity |
1. |
HP ProDesk 600 G5 MT 4CE0192ZTG
|
HP ProDesk 600 G5 MT :
Core i7 8th 4.8 GHz/
1 TB SATA HDD/
9.5 DVD-DW/
AMD® Radeon TM RX 550X 4GB FH DP+HDMI/
Window 10 Pro Pre-Loaded/
3 Years Warranty |
01 |
2. |
Data Acquisition System
(i) DEWE-43-A
(ii) DEWESOFT-X-EDU
(iii) DSI-ACC
(iv) DSI-TH-K
|
8 Input Channels, 24 Bit Sigma Delta, A/D Converter,
Sampling Rate 204.8 kS/s with DEWE Software (Modal
Analysis) and DSI Adapters.
|
01 |
3. |
Impulse Hammer
(Model No. 086C01)
|
0 to 100 lbf, Sensitivity 11.2 mV/g, 1 to 10 kHz including
3 meter cable, low noise coaxial cable
|
01 |
4. |
Miniature Accelerometer
(Model No. 352A21/NC)
|
Lightweight (0.6 gm), Ceramic shear ICP accelerometer,
10 mV/g, 1 to 10 kHz, Titanium Housing including
3- meter cable.
|
02 |
5. |
Laser Displacemment Sensor
|
Working Range : 40 to 160mm
Resolution : 20 µm
Linearity :0.1%
Light source : Laser(Red)
Wavelength ; 660 nm
Supply voltage : 10 to 30V DC
Measuring Rate : 1500/s
Response time(Resolution Mode) : <1660 µs
|
01 |
6. |
Microphone |
ICP Array free field microphone with integral preamplifier.
Sensitivity : 45 mV/Pa,
Inherent Noise : 29 dB
Frequency Range : 20 to 10 kHz
Dynamic range : >122 dB
|
01 |
7. |
Acoustic Emission (AE) Sensor |
Frequency Range : 60 kHz ~ 400 kHz
Resonant frequency : 150 kHz
Sensitivity peak : >75 dB
|
02 |
8. |
Pre-amplifier |
Gain : 20/40/60 dB
Responce frequency : 1.3 kHz-1.2MHz
Output : ± 10 V
|
02 |
Composite Structure Lab:
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Fig. 3 Vacuum-assisted Resin Transfer Molding (VARTM)