Choice of IBS-References:

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Primary and secondary noise control
Consulting, planning, expert's reports
  a) Consulting, planning, expert's reports and acceptance measurements in the field of acoustics and
    vibrations
  b) Sound propagation and noise control outdoors and in production facilities, noise at the workplace,
    protection from vibration/shock
Special measurement methods, dynamic structural analysis

Primary and secondary noise control

  • Analysis of weak points with regard to noise generation and conceptual development of noise-control measures for two injection-moulding machines
  • Analysis of acoustical weak points of a seaming machine
  • Investigations of structure-borne-sound transmission in the power-steering circuit of passenger cars
  • Conceptual development of noise-control measures for extraction fans and optimisation of a sound-insulating enclosure for the transformer of an inductive converter
  • Investigation of pressure pulsations in a corrugated-sheet duct for long-distance heating
  • Analysis of acoustical weak points in the design of a rotary gear pump
  • Optimisation of silencer and enclosure for a rotary gear pump
  • Acoustical analysis and noise control on a packaging machine
  • Cause analysis and analysis of weak points on the double-walled sheet-metal manifold in a passenger car engine
  • Analysis of weak points, conceptual development of noise and vibration control measures in the design of a preforming press
  • Cause analysis of noise generation in a circulation pump for dishwashers
  • Analysis of acoustical weak points in the design of a newly developed drive system for the stage machinery of a concert hall
  • Development and assessment of noise and vibration control measures for a spreader used in strip mining
  • Analysis of weak points with regard to noise generation in a production shop and conceptual development of noise control measures
  • Cause analysis on the basis of vibration investigations on a rotary offset printing machine
  • Assessment of durability of a pipe on the basis of vibration investigations
  • Analysis of acoustical weak points of a small axial fan
  • Analysis of acoustical weak points in the design of a blower; acoustical optimisation of the new production line
  • Acoustical cause analysis and development of noise control measures on the flue-gas desulphurising plant of a power station
  • Analysis of weak points on a fluorescent lamp ballast
  • Analysis of acoustical weak points in the design of the drive unit for a long-distance conveyor used in strip mining
  • Analysis of acoustical weak points in the design of a large gear unit and verification of the effect of design changes

Consulting, planning, expert's reports

a) Consulting, planning, expert's reports and acceptance measurements
   in the field of acoustics and vibrations

  • Acoustical measurements on microphones and realisation of a test unit and a calibration unit
  • Determination and assessment of noise in the environment of a wind power station
  • Acoustical planning of a chemical process plant
  • Acoustical investigation into the decay of sound pressure level along fan ducts and calculation of noise from an orifice plate
  • Acoustical acceptance measurements on a thermal power station
  • Acoustical expert's report on a kart track
  • Determination of sound absorption coefficients of various highly temperature-resistant absorber materials
  • Noise and vibration/shock measurements in the area affected by a glass recycling plant
  • Prediction of noise exposure from a planned foundry workshop
  • Acceptance measurement on a spreader used in strip mining
  • Measurements of flow resistance/determination of absorption coefficient of anti-dripping materials
  • Acoustical assessment of a depot and suggestions for noise-emission control
  • Acoustical conceptualisation of an acoustic test chamber

b) Sound propagation and noise control outdoors and in production facilities,
   noise at the workplace, protection from vibration/shock

  • Acoustical expert's report on the modification of the ventilation system in a department store
  • Measurement of vibration/shock exposure in the neighbourhood of a sawmill/timber yard and assessment of impact on humans in buildings, and on buildings as per DIN 4150-2 and –3
  • Determination and assessment of noise exposure level inside a residential building, caused by a bakery
  • Determination and assessment of noise at the workplace in the workshops of a printing plant
  • Determination and assessment of noise at the workplace in a pressroom
  • Noise and vibration measurements on the MEGA Roller coaster
  • Determination of sound emission from a telecommunications facility
  • Noise-exposure prediction for the modernisation of a surface-refinement plant — determination of initial exposure
  • Determination of rating level in the area affected by a cash & carry beverage market
  • Vibration/shock measurements, assessment and prediction: container terminal/dairy loading place
  • Determination of short-term vibration/shock exposure caused by construction activities and assessment of impact on buildings as per DIN 4150-3

Special measurement methods, dynamic structural analysis

  • Development of a mobile acoustical monitoring system for long-distance conveyors used in strip mining
  • Quantitative determination of mechanical grinding in pumps and conceptual development of its prevention
  • Optimisation of acoustical characteristics of a newly developed pump
  • Implementation of a condition-monitoring system for machines, using power station blowers as an example
  • Vibration investigations and verification of dynamic stability of pipes in waterworks