The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 2015
Filed:
Nov. 04, 2011
Kazuteru Hoshishima, Tamano, JP;
Noriaki Kimura, Tamano, JP;
Kazuteru Hoshishima, Tamano, JP;
Noriaki Kimura, Tamano, JP;
MITSUI ENGINEERING & SHIPBUILDING, Tokyo, JP;
Abstract
When a flow of a liquid body around a measuring object is visualized, a first liquid body as a tracer is supplied from a nozzle hole into a flow field of a second liquid body, and a laser beam having a wavelength optically absorbed by the first liquid body is irradiated in a manner such that the laser beam traverse across the flow field. At this point, the irradiation position of the laser beam is controlled in such a manner that the flow field is scanned with the laser beam. On the other hand, the laser beam that has passed through the flow field is received and a position where the first liquid body traverses the laser beam is obtained using the scan intensity signal of the received laser beam so that the flow of the second liquid body is visualized. The position where the first liquid body traverses the laser beam can be obtained based on a position on a time axis where a value of the scan intensity signal is less than a set threshold. According to the above described visualization, the flow field can reliably be visualized even for the high-speed fluid body.