Device for testing axial heat conductivity coefficient of tubular material

• Main Authors: ZHAO WEILI, GUO ZIXUE, TAO LIRU, JIANG HONGMIN, ZHAO JUN, LI DEXIN, WANG LIMING, RAN BO, GONG JIANGCHENG
• Format: Patent
• Language: Chinese; English
• Published: 16.07.2014
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a device for testing an axial heat conductivity coefficient of a tubular material, and belongs to the field of heat conductivity coefficient testing. The device comprises an annular heater arranged between the end faces of two tubular material to be tested which are made of a same material and are completely identical in appearance and size, wherein a heat radiating ring is arranged at one end, which is far away from the annular heater, of each tubular material to be tested, the annular heater is a ring-shaped sheet, the inner diameter and the outer diameter of the annular heater are identical to those of the tubular materiasl to be tested, at least one temperature measuring element is adhered onto the outer walls of two ends of each tubular material to be tested, the temperature measuring elements at each end are uniformly distributed along a ring parallel to the end face of the corresponding tubular material to be tested, and the temperature measuring elements are connected with