Film-effectiveness measuring apparatus and measuring method using blow-down wind tunnel

• Main Authors: JEONG JIN YOUNG, KWAK JAE SU
• Format: Patent
• Language: English; Korean
• Published: 06.03.2020
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MEASURING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; PHYSICS; STEAM ENGINES; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; WEAPONS

The present invention relates to an apparatus and a method of measuring a film cooling efficiency using a blow-down wind tunnel, which set the opening rate of an air flow rate control valve (220) to be a pre-set opening rate, which is greater than a target opening rate falling under a pre-set target...