British Hydromechanics Research Association
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The British Hydromechanics Research Association is a former government research association that supplies consulting engineering over fluid dynamics.
It had moved to Bedfordshire by the 1960s. In the 1970s it was known as BHRA Fluid Engineering.
Next door was the National Centre for Materials Handling, set up by the Ministry of Technology (MinTech), later known as the National Materials Handling Centre.
On 16 October 1989 it became a private consultancy.
In 1966 it designed an early Thames flood barrier. 
Computational fluid dynamics
It developed early CFD software.
- Bierrum, has built and designed Britain's power station cooling towers since 1965, also in Bedfordshire.
- Times Saturday 26 April 1947, page 1
- Companies House
- Times Tuesday 21 June 1966, page 12
- Times Saturday 18 June 1966, page 15