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Spontaneous ignition of gas turbine lubricants at temperatures below their standard auto-ignition temperatures
In order to determine how process conditions can influence minimum auto-ignition temperatures in gas turbine enclosures, and other industrial installations, a novel type of calorimeter has been developed at HSE's Buxton research laboratory. This instrument, a Spontaneous Combustion Calorimeter (SCC), has been used to investigate the ignition properties of pure substances, such as n-heptane and compare the results with minimum ignition temperatures determined using standard methods. This was followed by a more detailed investigation of the ignition of gas-turbine lubricants. Source: http://www...
Risk assessment for VCE scenario in an aerosol warehouse
In 2006, Dr Graham Atkinson of HSL was asked by HSE to review the risks from fires in large aerosol stores (Atkinson, 2007). Atkinson reviewed incident statistics and reports and concluded that the greatest risk to people from such fires was from explosions, not from the fire itself. He postulated a vapour cloud explosion (VCE) mechanism, whereby a fire of material elsewhere in the warehouse from the aerosols could give rise to a hot air layer close to the ceiling. Aerosols stored close to the ceiling could then fail and release their flammable contents, but not be immediately ignited by the fire...

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