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NVH Domain Capability Presentation. Intro….
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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.
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
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
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
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.
Our Verticals • Engineering Services • Projects, Product Design, Evaluation & Validation • Training & Team Development
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
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
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
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.
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)
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
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
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
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
Cont... Few of our esteemed clientele