Study　on　steam-carrying　effect　in　static　flash　of　both　pure　water　and　aqueous　NaCl　solution　was　present.　Properties,　including　steam-carrying　ratio,　waterfilm　height　drop　and　equilibrium　concentration　of　waterfilm,　were　measured　in　experiments.　Their　dependences　on　separating　height,　initial　waterfilm　concentration　and　mean　pressure　difference　were　analyzed.　Particularly,　steam-carrying　ratio　was　defined　as　the　mass　ratio　of　be-carried　liquid　and　generated　steam.　Results　suggested　that　this　ratio　increased　with　the　decreasing　of　separating　height　or　the　rising　of　initial　waterfilm　concentration,　and　a　peak　value　existed　in　its　evolution　versus　mean　pressure　difference.　At　last,　according　to　experimental　results　and　basic　principles　a　calculating　model　for　steam-carrying　effect　in　static　flash　was　built.　(C)　2012　Elsevier　Ltd.　All　rights　reserved.