公开(公告)号：US20230003629A1

公开(公告)日：2023-01-05

申请号：US17856246

申请日：2022-07-01

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seung Bok LEE ,  Changhyuk KIM ,  Kyungil CHO ,  Giwon KANG ,  Nam Geon KIM

IPC: G01N15/02 ,  G01N1/24 ,  G01N1/34

Abstract: The present invention relates to a method for measuring condensable particulate matters formed from exhaust gas of an internal combustion engine, including the steps of sucking exhaust gas from the internal combustion engine; diluting the sucked exhaust gas to simulate it to atmospheric condition; a first measurement step of branching some of the exhaust gas of the atmospheric condition and measuring particulate matters including condensable particulate matters and filterable particulate matters; a second measurement step of branching the rest of the exhaust gas of the atmospheric condition to remove the condensable particulate matters and measuring the particulate matters including only the filterable particulate matters; and comparing the first measurement step and the second measurement step to calculate an amount of the condensable particulate matters in the exhaust gas of the atmospheric condition.

公开(公告)号：US20190283046A1

公开(公告)日：2019-09-19

申请号：US16281097

申请日：2019-02-21

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jae Hee JUNG ,  Byoung Chan KIM ,  Seung Bok LEE ,  Kang Bong LEE ,  Yusung CHO

IPC: B04C9/00 ,  B04C11/00 ,  B04C5/185 ,  B04C5/08 ,  B01D45/16 ,  B01D47/00 ,  B01D50/00 ,  G01N1/22

Abstract: Provided is a wet cyclone apparatus including a body, an inlet installed in the body, and having a passage through which air including airborne particles is sucked in, a wet cyclone connected to the inlet to wet and collect the airborne particles introduced from the inlet, and a water storage installed in the body to store water, wherein the wet cyclone includes an air suction port into which the air introduced from the inlet is sucked, a water inlet through which water is supplied from the water storage, and a sample outlet through which the collected wetted sample is extracted and discharged.