低温下における岩石の熱物性値
スポンサーリンク
概要
- 論文の詳細を見る
Thermal diffusivity, the coefficient of thermal expansion and the velocity of ultrasonic waves which are necessary for calculation of thermal distribution and thermal stresses in a rock, were measured at low temperatures. Granite and Andesite were used as the rock samples. The measuring method of ,thermal diffusivity was developed in accordance with the application of Schmidt's theory. The main results obtained are as follows : (1) The thermal diffusivity of the wet rock specimens which have been submerged in water increased with lowering temperature, while that of the air dry specimens was nearly constant. (2) The tangential coefficient of thermal expansion of the rocks decreased with lowering temperature . (3) The dynamic Young's modulus calculated from the velocities of longitudinal and shear waves increased with lowering temperature.
- 1980-12-15
論文 | ランダム
- 両側乳房欠損に対して遊離横軸腹直筋皮弁を用いて再建を行った1例
- 採皮創に対する短期間のステロイド含有軟膏外用の影響に関する研究
- PG06 「基本的な生活習慣」についての教師と保護者の考え方に関する研究VI : 学校と家庭の連携に向けて
- PG05 「基本的な生活習慣」についての教師と保護者の考え方に関する研究V : 「基本的な生活習慣」と「子ども観」の関連
- PG04 「基本的な生活習慣」についての教師と保護者の考え方に関する研究IV : 教師と保護者の「子ども観」