  By using a non-local model, fluid simulations can capture kinetic effects in
the parallel electron heat-flux better than is possible using flux limiters in
the usual diffusive models. Non-local and diffusive models are compared using a
test case representative of an ELM crash in the JET SOL, simulated in one
dimension. The non-local model shows substantially enhanced electron
temperature gradients, which cannot be achieved using a flux limiter. The
performance of the implementation, in the BOUT++ framework, is also analysed to
demonstrate its suitability for application in three-dimensional simulations of
turbulent transport in the SOL.
