[esp-r] Re: model the ground

[A.Sdei at brighton.ac.uk]

Dear Jon,

I am currently comparing two models for single storey houses built in ESP-r with different construction types, however I am having similar results for the heating load. Both models have a solid concrete floor with direct ground coupling and my feeling is that there is something imprecise in the way I have modelled the ground floor with ESP-r. As a boundary condition for the concrete floor, I have tried using the ground monthly profile first, that gave me a very high heating load. I have then tried to add to the composition of the floor 3 layers of ground of 20cm each and the heating load was reduced but I couldn't see much difference in the heating load of the different construction types. Finally I received a suggestion from Ian to use BASESIMP. When I apply one of the BASESIMP correlation the energy use drops to zero. Can anyone explain why and is there any explanation available on how to use the facility? Thank you in advance,

kind regards.
Arianna


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