公开(公告)号：US20190302044A1

公开(公告)日：2019-10-03

申请号：US15983593

申请日：2018-05-18

Applicant: KOREA BASIC SCIENCE INSTITUTE

Inventor： Yi-Hyun PARK ,  Seungyon CHO ,  Mu-Young AHN ,  Youngmin LEE ,  Duck Young KU

IPC: G01N25/18 ,  G21C1/07 ,  G21C17/06

Abstract: The present disclosure provides a sample holder assembly for a laser flash apparatus for measuring a thermal conductivity of a pebble-bed, the assembly comprising: a tubular sample container configured to be mounted on a sample carrier tube for the laser flash apparatus, wherein the sample container has open top and bottom; a bottom disc disposed in the sample container to block the open bottom of the sample container and configured for delivering a laser from a laser flash unit of the apparatus to a pebble-bed; the pebble-bed packed on the bottom disc to a predetermined thickness; and a top disc disposed on the pebble-bed and in the sample container to block the open top of the sample container and configured for receiving heat from the pebble-bed to transfer the heat upward.