الله يعطيك الف عافية على الاهتمام كما قلت هو موضوع فيزيائي ويعتمد على الشد السطحي وهذا كان موضوع بحث عندي بس انا ماني فهمته لانه بالانجليزي وهذه اجزاء من الموضوع اتمنى منك ترجمتها اذا تقدر
we consider a horizontal layer problem with a solution is the presence of surface tension . here the layer is heated from below or upper .where the flow in the layer is assumed to be governed by Darey's law . as well as a horizontal two layers problem under the same effects is considered . the two layers consist of a porous layer supported by a fluid and the other layer has a salt . here the multi - layer from below or above , in the presence of surface tension the stability of the solution will be discussed.