Thermal diffusivity of water under high pressure and high temperature using pulse laser and diamond anvil cell
Project/Area Number |
24740356
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Multi-year Fund |
Research Field |
Petrology/Mineralogy/Science of ore deposit
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Research Institution | Ehime University |
Principal Investigator |
KIMURA Tomoaki 愛媛大学, 地球深部ダイナミクス研究センター, 特定研究員 (50624540)
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Research Collaborator |
KUWAYAMA Yasuhiro 愛媛大学, 地球深部ダイナミクス研究センター, 助教 (00554015)
OHFUJI Hiroaki 愛媛大学, 地球深部ダイナミクス研究センター, 准教授 (80403864)
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Project Period (FY) |
2012-04-01 – 2015-03-31
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Project Status |
Completed (Fiscal Year 2014)
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Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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Keywords | ダイヤモンドアンビルセル / 氷惑星内部構造 / 融解 / 高温高圧実験 / 水 / アンモニア / 酸化マグネシウム / 高圧高温実験 / 相転移 / 熱拡散率 |
Outline of Final Research Achievements |
A both-sided CO2 laser heating system has been developed for melting and thermal diffusivity measurements of materials contained in the icy planets such as Neptune and Uranus. Melting temperatures of ice, ammonia, and magnesium oxide under high pressure have been determined by using this instrument and a diamond anvil cell. These results suggest that water should remain in the liquid state while ammonia exists as the solid state at the pressure and temperature conditions found deep within the icy planets. These facts imply that not the water predicted by the ab initio calculations but the solid ammonia is one of the dominant constituents of the non-convective layer in the icy mantle, which is responsible for producing the non-dipole magnetic field.
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Report
(4 results)
Research Products
(35 results)
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[Journal Article] P-ρ-T measurements of H2O up to 260 GPa under laser-driven shock loading2015
Author(s)
T. Kimura, N. Ozaki, T. Sano, T. Okuchi, T. Sano, K. Shimizu, K. Miyanishi, T. Terai, T. Kakeshita, M. French, R. Redmer, Y. Sakawa, and R. Kodama
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Journal Title
Journal of Chemical Physics
Volume: 142
Issue: 16
Pages: 164504-164504
DOI
Related Report
Peer Reviewed / Open Access
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[Presentation] P-rho-T data for H2O up to 260 GPa under laser-driven shock loading2014
Author(s)
T. Kimura, N. Ozaki, T. Sano, T. Okuchi, K. Shimizu, K. Miyanishi, T. Terai, T. Kakeshita, Y. Sakawa, R. Kodama
Organizer
AGU fall meeting
Place of Presentation
San Francisco, USA
Year and Date
2014-12-15 – 2014-12-19
Related Report
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[Presentation] H2OとD2Oのパワーレーザー衝撃圧縮による超高圧物性計測2014
Author(s)
奥地拓生, 尾崎典雅, 木村友亮, 喜田美佳, 小川剛史, 掛下知行, 宮西宏併, 佐野孝好, 佐野智一, 清水克哉, 寺井智之, 坂和洋一, 兒玉了祐
Organizer
平成25年度衝撃波シンポジウム
Place of Presentation
青山学院大学
Related Report
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[Presentation] H2O-CH4-NH3混合液体のレーザー衝撃圧縮による惑星内部物質探査2014
Author(s)
奥地拓生, 尾崎典雅, 喜田美佳, 佐野孝好, 木村友亮, 小川剛史, 宮西宏併, 近藤良彦, Tsung-Han Yang, 池谷正太郎, 佐藤友哉, 佐野智一, 清水克哉, 寺井智之, 坂和洋一, 兒玉了祐
Organizer
レーザー研シンポジウム2013
Place of Presentation
大阪大学
Related Report
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[Presentation] 高強度レーザーを用いたスーパーアース内部状態の生成と観測2013
Author(s)
尾崎典雅, 木村友亮, 奥地拓生, マルティンフレンチ, 掛下知行, 喜田美佳, 宮西宏併, ロナルドレドマー, 佐野孝好, 佐野智一, 清水克哉, 寺井智之, 兒玉了祐
Organizer
JpGU Meeting 2013
Place of Presentation
幕張メッセ国際会議場
Related Report
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[Presentation] Warm dense water in 100 GPa regime2013
Author(s)
N. Ozaki, T. Kimura, T. Okuchi, T. French, M. Kakeshita, M. Kita, K. Miyanishi, R. Redmer, T. Sano, K. Shimizu, T. Terai, R. Kodama
Organizer
APS-SCCM and AIRAPT-24 Joint Conference
Place of Presentation
Seattle, USA
Related Report
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[Presentation] Hugoniot temperature measurements of Sapphire using laser induced decaying shocks2013
Author(s)
T. Sano, N. Ozaki, T Kimura, K. Miyanishi, R. Kodama, T. Tsuchiya, T. Sakaiya, K. Shigemori, T. Kadono, Y. Hironaka, M. Ikoma, T. Okuchi, T. Sekine
Organizer
APS-SCCM and AIRAPT-24 Joint Conference
Place of Presentation
Seattle, USA
Related Report
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[Presentation] 高圧下における水および混合物の物性計測2013
Author(s)
喜田美佳, 尾崎典雅, 奥地拓生, 木村友亮, 佐野孝好, 浅海雄人, 池谷正太郎, 浦西宏幸, 小川剛史, 近藤良彦, 佐藤友哉, 中塚和樹, 宮西宏併, 揚宗翰, 横山尚也, 坂和洋一, 兒玉了祐
Organizer
第54回高圧討論会
Place of Presentation
新潟コンベンションセンター
Related Report
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