Starting from early work on combustion, and his unique work in mass transfer theory, Spalding's unpublished ''unified theory" is described briefly. Subsequent to this, developments in algorithms by the Imperial College group led to the birth of modern computational fluid dynamics, including the well-known SIMPLE algorithm. Developments in combustion, multi-phase flow and turbulence modelling are also described. Finally, a number of academic and industrial applications of computational fluid dynamics and heat transfer applications considered in subsequent years are mentioned. Crown

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A mathematical model of heat and mass transfer in a metal-hydride hydrogen storage device is suggested. Results are given of calculations of the absorption of hydrogen from a gas mixture, including the mode of short-cycle absorption. Analysis is made of the effect produced by a free-convection flow of gas in a ballast volume for different orientations of the module. It is demonstrated that, under the operating conditions of the metal-hydride device being treated, the orientation of the module has a marked effect on the rate of absorption and integral characteristics of the storage device.

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