Acoustic survey for industrial plants
Noise is unwanted sound and can cause hearing damage for workers or nuisance for the environment. Therefore, Dutch legislation limits…
Noise and vibration reduction by flow improvement
Problem: Our customer, Tupras Refineries in Turkey, operates several refineries. In one of the installations, strong vibrations occurred on…
Comparison stairlift noise according to the NEN-EN-ISO 9614-2 norm
Goal: Otolift produces stairlifts that are safe and compact. Their stairlift design focusses on convenient, low-noise stairlifts. To prove that Otolift stairlifts are indeed quiet, Otolift requested Demcon...
Custom silencer for flywheel module
Problem: HITEC Power Protection is a world-leading supplier of dynamics (kinetic energy) based UPS (uninterruptible power supply) systems. These UPS systems are supplied into a variety of markets such as datacenters, finance and semicon.
Key components in the system are a flywheel...
Noise localization and reduction of respiratory system
Goal: Medical blowers for respiratory systems must meet strict noise production requirements. One of our client’s, a designer of respiratory systems, asked us to localise the source of the noise production. With identification of the problem areas, design changes could be made to meet the noise...