| 摘要 |
A thermal fatigue testing device that includes a gas cooling component, a tube member, and a heat generating body is provided. The gas cooling component cools a blown gas to a predetermined temperature or less, and that is provided with a heat insulating member at an outer side surface thereof. The tube member has a gas flow path formed therein from a first end to a second end, is provided at an outer side surface thereof with a heat radiating portion from the second end to a first intermediate portion, and is connected with the gas cooling component at the first end side. A test body is arranged at the second end side. The heat generating body is provided in the gas flow path between the first end and a second intermediate portion and heats a gas flowing through the gas flow path.
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