Department of Earth Resources Engineering

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1982

CALCULATION OF TEMPERATURE OF VENTILATION AIR WITH VARYING AIR TEMPERATURE AT THE ENTRANCE.

UCHINO, KEN. ICHI., Inoue, M. & YANAGIMOTO, TAKEICHI., May 1982, In : Nihon Kogyokaishi. V 98, N 1131, p. 405-410 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Discrete-vortex simulation of a turbulent separation bubble

Kiya, M., Sasaki, K. & Arie, M., Jan 1 1982, In : Journal of Fluid Mechanics. 120, p. 219-244 26 p.

Research output: Contribution to journalArticle

100 Citations (Scopus)

GAS FLOW AROUND A BOREHOLE IN A COAL BED AND ITS APPROXIMATE EXPRESSIONS - 1. THE CASE OF A BOREHOLE WITHIN A BOUNDED CIRCULAR AREA.

OMUTA, HIDEFUMI., ITOI, RYUICHI. & GOTOH, KEN., 1982, In : NIPPON KOGYO KAISHI. V 98, N 1127, p. 21-28 8 p.

Research output: Contribution to journalArticle

Open Access
1983

Theoretical Study on Steam and Water Flow Rates from Geothermal Production Wells

Itoi, R., Fukuda, M., Sekoguchi, K. & Iwaki, T., Jan 1983, In : journal of the geothermal research society of japan. 5, 4, p. 235-248 14 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

うず点モデルによるはく離泡のシミュレーション

Translated title of the contribution: Discrete-Vortex Simulation of a Turbulent Separation BubbleKiya, M., Arie, M. & Sasaki, K., May 25 1983, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 49, 441, p. 923-930 8 p.

Research output: Contribution to journalArticle

Open Access

はく離ほうにおける大規模非定常性

Translated title of the contribution: Large-scale unsteadiness in a separation bubbleSasaki, K. & Kiya, M., Nov 25 1983, In : Transactions of the Japan Society of Mechanical Engineers Series B. 49, 447, p. 2601-2609 9 p.

Research output: Contribution to journalArticle

Open Access

前縁はく離ほうの乱流構造: 条件付き抽出法による測定

Translated title of the contribution: Turbulent structure of a separation bubble (Measurements by a conditional-sampling technique).Sasaki, K. & Kiya, M., Jan 1983, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 49, 447, p. 2610-2617 8 p.

Research output: Contribution to journalArticle

Open Access
1984

GAS FLOW AROUND A BOREHOLE IN A COAL BED AND ITS APPROXIMATE EXPRESSIONS. 2ND REPORT: THE CASE OF A BOREHOLE WITHIN A BOUNDED RECTANGULAR AREA.

Gotoh, K., Itoi, R. & Omuta, H., Jan 1 1984, In : Nihon Kogyokaishi. 100, 1162, p. 1119-1125 7 p.

Research output: Contribution to journalArticle

はく離泡の再付着領域における乱流構造

Translated title of the contribution: Turbulence Structure in the Reattaching Zone of a Leading-Edge Separation BubbleSasaki, K. & Kiya, M., Sep 5 1984, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 50, 457, p. 2059-2067 9 p.

Research output: Contribution to journalArticle

Open Access

はく離泡の再付着領域における非定常流

Translated title of the contribution: Unsteady Flow in Reattaching Zone of a Turbulent Separation BubbleKiya, M. & Sasaki, K., Jul 25 1984, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 50, 455, p. 1684-1690 7 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

乱流はく離泡における逆流の変動特性と熱伝達促進機構に関する一考察

Translated title of the contribution: Unsteady reverse-flow characteristics and a possible mechanism of high heat-transfer rate in a turbulent separation bubble.Sasaki, K. & Kiya, M., Oct 25 1984, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 50, 458, p. 2549-2554 6 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

前縁はく離泡に対する主流乱れの影響

Translated title of the contribution: Free-Stream Turbulence Effects on a Separation BubbleKiya, M., Sasaki, K. & Arie, M., Apr 24 1984, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 50, 452, p. 967-973 7 p.

Research output: Contribution to journalArticle

Open Access

前縁はく離泡に対する主流乱れの影響: 第 2 報, はく離泡内の乱流特性

Translated title of the contribution: Free-Stream Turbulence Effects on a Separation Bubble: 2nd Report, Turbulence Structure in the BubbleSasaki, K. & Kiya, M., Aug 4 1984, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 50, 456, p. 1842-1847 6 p.

Research output: Contribution to journalArticle

Open Access

前縁はく離泡の乱流構造

Translated title of the contribution: Structure of a Turbulent Separation BubbleKiya, M. & Sasaki, K., Jun 26 1984, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 50, 454, p. 1483-1490 8 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)
1985

Effect of free-stream turbulence on turbulent properties of a separation-reattachment flow.

Sasaki, K. & Kiya, M., Jan 1 1985, In : Bulletin of the JSME. 28, 238, p. 610-616 7 p.

Research output: Contribution to journalArticle

Open Access
9 Citations (Scopus)

Faults and their Stress Fields at the Otake-Hatchobaru Geothermal Area

Hayashi, M., Watanabe, K. & Furutani, N., Jan 1 1985, In : journal of the geothermal research society of japan. 7, 4, p. 383-399 17 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Structure of large-scale vortices and unsteady reverse flow in the reattaching zone of a turbulent separation bubble

Kiya, M. & Sasaki, K., May 1985, In : Journal of Fluid Mechanics. 154, p. 463-491 29 p.

Research output: Contribution to journalArticle

230 Citations (Scopus)
1986

EFFECTS OF SURFACE PROPERTIES ON AGGLOMERATES FORMATION - STUDIES ON AGGLOMERATION IN WATER (1ST REPORT).

Hirajima, T., Takamori, T. & Tsunekawa, M., Jan 1 1986, In : Nihon Kogyokaishi. 102, 1185, p. 795-800 6 p.

Research output: Contribution to journalArticle

Fission track ages of volcanic rocks from the Hikosan area, northern Kyushu ( Japan).

Watanabe, K. & Hayashi, M., Jan 1 1986, In : Journal - Geological Society of Japan. 92, 3, p. 219-230 12 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Numerical Modeling for the Mise-Ä-la-masse Survey

Mizunaga, H., Ushijima, K., Noritomi, K., Tagomori, K. & Honda, M., Jan 1 1986, In : journal of the geothermal research society of japan. 8, 4, p. 361-377 17 p.

Research output: Contribution to journalArticle

Study on Decrease of Reservoir Permeability Due to Deposition of Silica Dissolved in Reinjection Water

Itoi, R., Maekawa, H., Fukuda, M., Jlnno, K., Hatanaka, K., Yokoyama, T. & Shimizu, S., 1986, In : Journal of the Geothermal Research Society of Japan. 8, 3, p. 229-241 13 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

The Mise-á-la-masse Survey of Geothermal Resources using HT-8 Well in Hatchobaru Geothermal Area

Tagomori, K., Ushuima, K., Mizunaga, H. & Noritomi, K., Jan 1 1986, In : journal of the geothermal research society of japan. 8, 4, p. 331-345 15 p.

Research output: Contribution to journalArticle

1987

A Comparison of the ELF-MT Resistivity Structure and the Thermal Structure in Takenoyu Geothermal Area

Mogi, T., Ehara, S., Yuhara, K., Fujimitsu, Y. & Asoshina, K., Jan 1 1987, In : journal of the geothermal research society of japan. 9, 3, p. 237-249 13 p.

Research output: Contribution to journalArticle

CONSIDERATIONS ON AGGLOMERATE GROWTH PROCESSES: STUDIES ON AGGLOMERATION IN WATER (2ND REPORT).

Hirajima, T., Takamori, T., Tsunekawa, M. & Tsurui, M., Jan 1 1987, In : Nihon Kogyokaishi. 103, 1195, p. 577-585 9 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Decrease in Reservoir Permeability due to Deposition of Silica Dissolved in Geothermal Injection Water — Numerical Simulation in One Dimensional Flow System —

Itoi, R., Fukuda, M., Jlnno, K., Yokoyama, T. & Shimizu, S., Jan 1 1987, In : journal of the geothermal research society of japan. 9, 4, p. 285-306 22 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

DETERMINATION OF AIRWAY RESISTANCE USING AIRFLOW DISTRIBUTION.

Inoue, M. & Uchino, K. I., Jan 1 1987, In : Nihon Kogyokaishi. 103, 1195, p. 549-554 6 p.

Research output: Contribution to journalArticle

DISTRIBUTION OF LINEAMENTS IN KYUSHU ISLAND EXPLORATION OF EPITHERMAL GOLD-SILVER ORE DEPOSITS BY REMOTE SENSING TECHNIQUE (1ST REPORT).

Mukaiyama, H., Kimura, T., Watanabe, K., Inoue, M., Yakabe, H. & Nakamura, M., Jan 1 1987, In : Nihon Kogyokaishi. 103, 1194, p. 477-484 8 p.

Research output: Contribution to journalArticle

Fission Track Age of Volcanoes in the Kuju Volcanic Region in Relation to Geothermal Activity

Watanabe, K., Hayashi, M. & Fujino, T., Jan 1 1987, In : journal of the geothermal research society of japan. 9, 3, p. 207-217 11 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Influences of Parameters on the Performance of a Lumped-Parameter Reservoir Model

Fukuda, M., Itoi, R., Kohguchi, T., Tomimura, T. & Koga, A., Jan 1 1987, In : journal of the geothermal research society of japan. 9, 3, p. 219-236 18 p.

Research output: Contribution to journalArticle

Infrared Imageries of Volcanic and Geothermal Areas in Kyushu by Helicopter

Yuhara, K., Ehara, S., Hara, M. & Fujimitsu, Y., Jan 1 1987, In : journal of the geothermal research society of japan. 9, 4, p. 307-355 49 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

PRACTICAL VENTILATION NETWORK ANALYSIS BY THE IMPROVED NODE POTENTIAL METHOD.

Inoue, M., Uchino, K. & Nomoto, S., Jan 1 1987, In : Nihon Kogyokaishi. 103, 1194, p. 493-497 5 p.

Research output: Contribution to journalArticle

石炭におけるガス透過性と孔隙構造の関連性

Translated title of the contribution: Correlation between gas permeability and macropore structure of coal.Sasaki, K., Miyakoshi, H. & Otsuka, K., 1987, In : Nihon Kogyokaishi. 103, 1198, p. 847-852 6 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

石炭の常温域からの自然発火: 等価酸化時間の導入による数値解析

Translated title of the contribution: Spontaneous combustion of coal in the low temperature range: Application of exposure equivalent-time to numerical analysisSasaki, K., Miyakoshi, H. & Otsuka, K., 1987, In : Nihon Kogyokaishi. 103, 1197, p. 771-775 5 p.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)
1988
4 Citations (Scopus)

新たな節点法による通気網解析の可能性

Translated title of the contribution: Possibility of new nodal-point method for the analysis of mine ventilation networkSasaki, K. & Miyakoshi, H., Jun 1988, In : Nihon Kogyokaishi. 104, 1204, p. 353-358 6 p.

Research output: Contribution to journalArticle

超音波距離計測の微差圧計への応用とその性能

Translated title of the contribution: Application of Ultrasonic Distance Measurement to a Manometer and Its PerformanceSasaki, K., Miyakoshi, H. & Imai, T., Sep 25 1988, In : Transactions of the Japan Society of Mechanical Engineers Series B. 54, 505, p. 2478-2483 6 p.

Research output: Contribution to journalArticle

Open Access

非定常ガス加圧による有効空隙率の測定法

Translated title of the contribution: Transient method for measurement of effective porosity.Sasaki, K. & Miyakoshi, H., 1988, In : Nihon Kogyokaishi. 104, 1200, p. 57-62 6 p.

Research output: Contribution to journalArticle

Open Access
1989

Decrease in Reservoir Permeability due to Deposition of Silica Dissolved in Geothermal Injection Water —Numerical Simulation in a Radial Flow System—

Itoi, R., Fukuda, M., Jinno, K., Yokoyama, T., Hirowatari, K. & Tomita, T., 1989, In : journal of the geothermal research society of japan. 11, 1, p. 1-19 19 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Detection of cavities by the mise-a-la-masse and pole-dipole resistivity surveys

Ushijima, K. & Mizunaga, H., Jan 1 1989, In : Unknown Journal. p. 125-128 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Long-term experiments of waste water injection in the otake geothermal field, Japan

Itoi, R., Fukuda, M., Jinno, K., Hirowatari, K., Shinohara, N. & Tomita, T., 1989, In : Geothermics. 18, 1-2, p. 153-159 7 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Speeding up of node potential method for ventilation network analysis

Inoue, M. & Uchino, K., Jan 1 1989, In : Shigen to sozai. 105, 7, p. 532-538 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

主要通風路に接した長方形キャビティにおける漏えいガスの対流拡散挙動

Sasaki, K., Miyakoshi, H., Tozaki, M., Yamaguchi, C. & Hiramatsu, A., Feb 25 1989, In : Transactions of the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan. 14, 39, p. 133-142 10 p.

Research output: Contribution to journalArticle

Open Access

孔隙径分布を仮定した多孔質体におけるガス透過および拡散モデル

Miyakoshi, H., Sasaki, K. & Hiramatsu, A., Oct 1989, In : Scientific and technical reports of the Mining College, Akita University . 10, p. 1-10 10 p.

Research output: Contribution to journalArticle

流路に接した長方形空洞内における漏えい物質の対流拡散およびレイヤ形成挙動の水槽可視化実験

Translated title of the contribution: Water Flow Visualization Studies on Convective Diffusion and Layering of a Leakage in Rectangular Cavities aside a Main Flow WaySasaki, K., Miyakoshi, H. & Ito, H., Feb 25 1989, In : Transactions of the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan. 14, 39, p. 121-131 11 p.

Research output: Contribution to journalArticle

Open Access

赤外レーザおよび超音波によるメタンガス濃度の測定

Translated title of the contribution: Measurement of Methane Concentration with Infrared Laser and Ultrasonic TransducerSasaki, K., Miyakoshi, H., Imai, T., Tozaki, M. & Inoguchi, O., Apr 1989, In : Journal of Japan Society for Safety Engineering . 28, 2, p. 95-101 7 p.

Research output: Contribution to journalArticle

Open Access

非定常ガス拡散による多孔質体の有効空隙率および迷宮度の測定法

Translated title of the contribution: Transient gas diffusion method for measurement of effective porosity and tortuosity of porous mediaSasaki, K., Miyakoshi, H. & Tamura, Y., 1989, In : Shigen to sozai. 105, 3, p. 227-231 5 p.

Research output: Contribution to journalArticle

Open Access
1990

Changes in the temperature and velocity of ventilation air during mine fires. Studies on the effect of mine fire on underground ventilation system

Inoue, M., Uchino, K., Komai, T., Isei, T., Murakami, T. & Umezu, M., Jan 1 1990, In : Shigen to sozai. 106, 2, p. 65-70 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
9 Citations (Scopus)

Influences of Parameters on Geothermal Reservoir Interferences

Fukuda, M., Itoi, R., Koga, A. & Akibayash, S., 1990, In : Journal of the Geothermal Research Society of Japan. 12, 3, p. 213-228 16 p.

Research output: Contribution to journalArticle