公开(公告)号：US20230296966A1

公开(公告)日：2023-09-21

申请号：US18021055

申请日：2021-07-19

Applicant: JFE STEEL CORPORATION

Inventor： Takashi IWAMA ,  Kentaro SATO ,  Shinji SAKURAI ,  Kayo TOKIEDA ,  Shohei SHINOZUKA ,  Yuhei AKIYAMA ,  Takashi TANIGUCHI

IPC: G03B17/55 ,  G03B17/02 ,  G03B15/03 ,  G03B17/56

CPC classification number: G03B17/55 ,  G03B17/02 ,  G03B15/03 ,  G03B17/561 ,  G03B2215/0575 ,  G03B2215/0503

Abstract: An object is to closely observe, by means of images of a camera having high performance specifications, changes in a structure due to heating or cooling of the structure to a temperature beyond a service temperature limit of the camera having high performance specifications and returning from that temperature to room temperature. A structure observation device includes: a camera case of a rectangular three-dimensional shape, having a glass window of heat-resistant and/or cold-resistant glass on at least one side of the three-dimensional shape; heat insulating walls covering the camera case except for the glass window; a fluid supply port and a fluid discharge port through which a cooling or warming fluid is circulated into; and a camera that is disposed inside the camera case and captures a still image or a moving image through the glass window and externally outputs or internally stores data of the captured image.

公开(公告)号：US20240411960A1

公开(公告)日：2024-12-12

申请号：US18688970

申请日：2022-09-01

Applicant: JFE STEEL CORPORATION

Inventor： Takashi IWAMA ,  Kentaro SATO

IPC: G06F30/23 ,  G06F30/15 ,  G06F119/08

Abstract: The behavior of a panel component in the plate thickness direction can be analyzed with greater accuracy. A joint structure in which a panel component and a reinforcing component facing together are connected through one or more elastic adhesives is modeled. A panel component behavior analysis method analyzes the behavior of the panel component by finite element analysis using a computer. From actually measured heating or cooling data of the elastic adhesive, an elastic coefficient including change in elastic coefficient of the elastic adhesive in response to temperature change and using temperature as a parameter is determined. The determined elastic coefficient using temperature as a parameter and a thermal expansion coefficient are set as physical property conditions of the elastic adhesive. The behavior of the panel component is analyzed in a temperature change condition in which a temperature change is applied to the joint structure in a previously-set temperature range.