DNV GL to Improve Risk Assessment of Offshore Helideck Turbulence

DNV GL is launching a joint industry project (JIP) to improve risk assessment of offshore helideck turbulence through the use of computational fluid dynamics (CFD).

The project's aim is to bridge the gap between advised and actual hazardous flight conditions, ensuring cost-effective designs and helicopter operations without compromising safety.

CFD is widely used in high-level analyses of offshore helideck turbulence levels to assess possible flight restrictions. However, the current international regulations’ imposed criteria lead to results that might not reflect operational experience, thus they might also conservatively restrict helicopter operations, DNV GL said.

Helicopter services are responsible for transferring the majority of the workforce to and from offshore installations in an open sea environment that is both challenging and hazardous. Unsafe circumstances can be caused by wind-induced turbulence, which has been ranked by pilots as the greatest of fifteen factors contributing to workload and safety hazards.

Helideck turbulence impairment provides valuable information during design and operation phases, and aids both pilots, at predicting high-risk flight conditions, and engineers, at anticipating the amount of time helicopter transportation may be unavailable for use. Proper safety studies with CFD can support a sound and safe decision basis, according to DNV GL.

Thábata Maciel, consultant at DNV GL – Oil & Gas, said: "We are inviting operators, supply companies, contractors and other stakeholders to participate in this JIP and believe this is an opportunity for safer and more cost-effective designs and procedures for challenging weather conditions. The results of the JIP will lead to the development of a recommended practice which will provide easy-to interpret guidelines for pilots and engineers and will guarantee reproducibility of analysis."

Related news

List of related news articles

Posted: 9 months ago

Boskalis, DNV GL and Van Oord Will Set the OWC2018 Scene

Europe has led the development of offshore wind over the past decades. Producing, researching and in...

Categories:
Posted: 9 months ago
Posted: 9 months ago

Virginia Affirms Offshore Wind Ambitions

Virginia's Governor Ralph Northam has released the 2018 Virginia Energy Plan which calls for the dev...

Categories:
  • Authorities
Posted: 9 months ago
Posted: 9 months ago

Germany Readies New Offshore Wind Call

Germany's ruling coalition has agreed to issue a special call to tender for additional renewable ene...

Categories:
  • Authorities
Posted: 9 months ago
Posted: 9 months ago

REBO Welcomes Offshore Wind Teams

Norther N.V. and Siemens Gamesa Renewable Energy have moved into a new building at the REBO terminal...

Categories:
  • Business & Finance
Posted: 9 months ago