-
- 永野 宏治
- 室蘭工業大学
書誌事項
- タイトル別名
-
- Dispersion Analysis of Crack-Waves for a Low-Velocity-Layer Model of an Artificial Subsurface Fracture
- キレツハ ノ ブンサンセイ カイセキ ニ ヨル ジンコウ チカ キレツ ノ テ
この論文をさがす
抄録
This paper investigates a low-velocity-layer (LVL) model for an artificial subsurface fracture examining dispersions of crack-waves. Subsurface fracture is important to extract geothermal energy. The crack-waves are seismic modes propagating along the fracture. The LVL represents a zone in which many small fractures are distributed around a main single fracture. The crack-waves were measured at an artificial subsurface fracture at a depth of about 370m in Tohoku University Higashi-Hachimantai Hot Dry Rock model field, Japan. The Wavelet Transform is applied to describe the dispersion of the crack-waves. I obtain the crack-wave dispersions which are affected by the pressurization of the subsurface fracture. The numerical dispersion curves are also calculated in the LVL model using a matrix method. When the aperture of the subsurface fracture increases by the pressurization, the LVL model shows a good agreement with the crack-wave dispersion. The LVL model is, however, insufficient for the crack-wave dispersion detected at the beginning of the pressurization.
収録刊行物
-
- 電気学会論文誌C(電子・情報・システム部門誌)
-
電気学会論文誌C(電子・情報・システム部門誌) 118 (11), 1623-1632, 1998
一般社団法人 電気学会
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1390001204607034368
-
- NII論文ID
- 130006843000
- 10002815477
-
- NII書誌ID
- AN10065950
-
- ISSN
- 13488155
- 03854221
-
- NDL書誌ID
- 4588426
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可