1 Particle characterisation.- 1.1 Particle size distributions.- 1.2 Particle size measurement.- 1.3 Nomenclature.- A1 Derivation and properties of the log-normal distribution.- References.- 2 Particles in fluids.- 2.1 Single particles.- 2.2 Unsteady motion of single particles.- 2.3 Assemblages of particles.- 2.4 Flow of particle/fluid mixtures in pipes.- 2.5 Nomenclature.- References.- 3 Particle mechanics.- 3.1 Interparticle forces.- 3.2 Effects of interparticle forces at contacts.- 3.3 Friction at a single contact.- 3.4 Impact and rebound of particles.- 3.5 Nomenclature.- References.- 4 Characterisation of bulk mechanical properties.- 4.1 Introduction.- 4.2 Empirical measurements of coefficients of friction.- 4.3 Angles of friction of cohesionless materials.- 4.4 Angles of friction of cohesive materials.- 4.5 Characterisation of ‘flowability’ of cohesive powders (Jenike design method).- 4.6 Equations of stress equilibrium in bulk solids.- 4.7 Bulk failure criterion.- 4.8 Description of bulk solids stress states.- 4.9 Bulk solids flow rules.- 4.10 Empirical measurements of compressibility of bulk solids.- 4.11 Nomenclature.- References.- 5 Assembly mechanics.- 5.1 Introduction.- 5.2 Assembly modelling of wall friction in a flowing particulate bed.- 5.3 The distinct element method.- 5.4 Nomenclature.- A5 Frictional forces.- A5.1 Frictional forces.- A5.2 Single contacts.- A5.3 Particle assemblies.- References.- 6 Fluid-particle systems.- 6.1 Hydraulic and pneumatic conveying.- 6.2 Fluidisation.- 6.3 Nomenclature.- References.- 7 Gas/solid separation.- 7.1 Gas and particle properties.- 7.2 Inertial separators.- 7.3 Filtration.- 7.4 Nomenclature.- References.- 8 Storage and discharge of particulate bulk solids.- 8.1 Introduction.- 8.2 Flow regimes in bins and hoppers.-8.3 Velocity distributions in bins and hoppers.- 8.4 Discharge rates from bins and hoppers.- 8.5 Stress distributions in bins and hoppers.- 8.6 Nomenclature.- References.