NV Dynamics - Engineering Services in Acoustics and Vibration

1. NVH Domain Capability Presentation

2. Intro… NV Dynamics, founded in 2001, is the market leader in providing consulting engineering services in the field of acoustics and vibration. We are a vibrant, talented and fun loving competent company that celebrates our success through continued growth. We are highly committed to teamwork and our members are cross-trained in our service sectors so that we can support each other in achieving optimum success.

3. Instrumentation & Resources • Sensors & Transducers • Accelerometers – Tri-axial, High temp, Miniature, Seismic (ultra low frequency) • Laser Vibrometer for Non-Contact Vibration Measurements • Force Transducers, Impulse Hammer & Electrodynamic Shakers • Laser Tachometer [speed/phase measurements] • Hall Effect Sensor[Motor Current Signature Analysis] • Microphones and Sound Level Meters – Type-1/Class-1 • Sound Intensity Probe

4. Cont... Instrumentation & Resources • Multi-Channel (2/4/8/16/32) Data Acquisition Systems or analysers with various processing/analysis options • Real Time Recording • FFT Analysis [Octave, Narrowband, Zoom FFT] • Envelope spectrum analysis • Rotating Machinery Analysis [Order Tracking, Waterfall, Colour Map] • Sound Quality & Jury Testing • Transfer Path Analysis [TPA/ASQ] • Acoustic Source Quantification • Modal Analysis & Modifications • Sound Intensity Measurements • and much more to cater almost every need of Customers in vibration, • acoustics and related engineering dynamics domain

5. Cont... Instrumentation & Resources Modelling Software – CAD (2D and 3D) Analysis Software's – FEM (CAE) – ANSYS, NASTRAN Acoustic and Vibration Modelling Tools (FEM and BEM) Cada – X, Test Xpress, EDM data processing suite Sound Plan & ODEAN Custom made in-house solution packages

6. The Team The team has engineers with a good combination of electrical, mechanical and instrumentation discipline. We have working association with many premier institutions for sharing cross platform experience and using the resources on case to case basis & long term projects.

7. Our Verticals • Engineering Services • Projects, Product Design, Evaluation & Validation • Training & Team Development

8. Engineering Services - Noise & Vibration • Noise/Vibration Measurement, Analysis and Mitigation • Modal Testing & Analysis, Modal Design • CAD/CAE • In-situ Rotor Balancing • Noise/Vibration Isolation and Control • Building Acoustics • Sound Power testing as per ISO standards (Sound Pressure & Intensity based) • Sound Intensity Measurements, Noise Source Ranking & Source Localization • Sound Quality & Jury Testing • Transfer Path Analysis (TPA) and Acoustic Source Quantification (ASQ) • Acceptance Testing as per API, MIL, ISO standards • Environmental Noise Assessment • Whole Body Vibration and Hand Arm Vibration measurements as per ISO standards. • Vibration based Condition Monitoring for predictive maintenance • Motor Current Signature Analysis (MCSA) • Calibration services for Microphones, Accelerometer and FFT Analyzers

9. Engineering Services – Acoustic Specialization • Upfront Design inputs for Building acoustics • Design of Sound Proof, Audiometric, Semi / Anechoic rooms • Test & Simulation based assessment & validation of existing room acoustics • Combined strength of TEST – SIMULATE – VALIDATE for a looped hybrid solution approach of complex Noise Problems • Design of acoustics within car and closed door small volume enclosures • Design of Theatre and Home acoustics

10. Product Design & Develpoment Development of Specialized Noise Qualification System capable of measuring very low noise levels from electrical contactors amidst higher shop floor noise. Development of Ultra-Portable, Low Cost, Application specific Noise & Vibration Analyzer kit

11. Training & Team Development • Customer/Industry Specific tailor made CORPORATE TRAINING programs • Open Training sessions at NV DYNAMICS once in four months every calendar year. • Collaborative seminars/workshops with Institutions like MSRSAS. • No-Profit Visiting Lecture sessions at various Engineering colleges to create awareness and expose the YOUNGER generation to the emerging Noise & Vibration technology. • Quarterly Newsletter, NVSAGE– Educative news bulletin being circulated to more than 1000 professionals/academicians/students all around the globe.

12. News Letter NVSAGE Educative free news bulletin being circulated to more than 1500 professionals, academicians, students all around the globe. To subscribe, send a email to sunitha@nvdynamics.com (only official mail IDs please)

13. Few Case References Experimental Modal Analysis of 660MW Generator – GE Alstom - Ahmedabad Vibration qualification for Metro Rail - CMRL Whole Body Bump Testing on Car Frame – Mahindra Reva

14. Cont... Few Case References Vibration Isolation to control vibration immission from an existing compressor to the new compressor installation – LURGI Germany, Test Site: PetronasPenapisan Melaka Malaysia Noise Measurements, Analysis and Control on an Excavator Machine – L&T Bangalore Sound Power Testing of a starter motor as per ISO 3744 (sound pressure based) for acceptance testing – BOSCH Bangalore

15. Cont... Few Case References Fuel Injection Pump Noise Analysis for Source identification – Delphi Bangalore Operator Noise Measurements on off-road vehicles – VOLVO Construction Equipment Bangalore Whole Body Vibration and Harm Arm Vibration measurements of on-road and off-road vehicles – VOLVO Construction Equipment, Harita Seating Systems Hosur

16. Cont... Few Case References Ground vibration measurements and vibration isolation for CMM Installation – Bills Forge Bangalore, LuK India Hosur, CIPLA Bangalore Motor Current Signature analysis of AC motors, Crompton Greaves Limited Mumbai Calibration of Microphones, Accelerometers & FFT Analyzers – Flowserve Coimbatore, CGL Bangalore

17. Cont... Few of our esteemed clientele

18. Thank You