SURFACE TEMPERATURE MEASURING METHOD OF WALL HAVING NARROW GAP

PURPOSE:To measure easily and exactly a surface temperature of a wall surface in a narrow gap by inserting a sensor consisting of a bag of a rectangle or an optional shape, which has thermal conductivity and abounds in flexibility, and a temperature measuring body stuck to its surface, into the gap between the wall surfaces. CONSTITUTION:A sensor is constituted of a bag 1, a temperature measuring body 2 and a fluid injecting port 3. Also, this sensor is inserted into an air layer 7 so that air is injected from the fluid injecting port 3. In this case, the temperature measuring body 2 is placed between the bag 1 and a wall 5 by a fluid pressure, and is in with contact the wall 5 under pressure. Accordingly, the temperature measuring body 2 is in exact with contact the wall 5, and an information from the temperature measuring body 2 shows correctly a surface temperature of the wall 5. Also, the bag 1 abounds in flexibility, therefore, it can be applied even in case when the walls 5, 6 have a curvature, and a surface temperature of a wall surface in a narrow gap can be measured easily and exactly.