NVH Testing

PURPOSE OF THE ROLE

• Planning and Managing the Noise &Vibration Tests, Data Collection and Analysis, Noise source identification on HVAC products, Report preparation, Collaboration with Other Teams, Supporting for NVH solution development and implementation
• Noise & Vibration Testing on Split AC, Cassette AC, Ducted AC & Chillers to evaluate the present Noise level and identify the major noise sources
• Conducting the NVH Measurements as per Noise regulatory requirements

Educational Qualification

BE / B Tech Mechanical Engg, Automobile Engg & Electronics

Technical Expertise

• Testing, FRF, ODS, and Noise source identification on HVAC products
• Instrumentation and NVH data acquisition using advanced tools of Siemens-LMS Test Lab, B&K, Head acoustics, etc.
• Good theoretical knowledge of digital signal processing technique
• Noise & Vibration level target setting for HVAC new products & system level
• Conducting NVH Measurements in Anechoic Chamber as per standard
• Acoustic material characteristics evaluation - Absorption coefficient & Noise Transmission loss using the impedance tube and reverberation room method
• NVH Benchmarking on overall product and System level and trend analysis.
• Working with Cross functional teams of market quality, production quality and design departments to enhance the Product NVH performance
• Hands-on work experience in HVAC system NVH testing.
• Able to understand the CAE NVH results for correlating the experimental data, coordinating with design and Virtual simulation teams

MAIN RESPONSIBILITIES

• Planning and executing NVH test plans:

  This includes setting up test procedures, conducting the tests as per Regulatory requirements, selecting appropriate instrumentation (microphones, accelerometers, etc.), and defining test conditions based on the application.

• Managing the Test Facilities & Execution:

  Ensuring tests are conducted according to new product development plan, and as per Regulatory requirements, documenting test setups, and data post-processing.

• Analyzing NVH test data:

  Identifying the Noise & Vibration source’s using various analysis techniques, root causes of NVH issues and benchmarking the competitor products.

• Interpreting data and providing insights:

  Translating test results into actionable information to designers for Design improvements

• Report preparation & Documenting

  : Creating NVH Technical test reports, log entries, and maintain the database for all our Lab test data, Organizing and archiving data for future reference.

Preferred Skills:

• Experience in NVH Testing

  Minimum 5 Years

  , Acoustic testing, Vibration testing, Modal analysis, Acoustic material characteristics & Testing,
• NVH Measurement Tools: LMS Test Lab, Bruel & Kjaer (B&K), Head Acoustics, Microphones, Accelerometers
• Data Analysis: FFT, Waterfall Analysis, Modal Analysis, Frequency response function (FRF), Transfer Path Analysis