Department of Earth Resources Engineering

Research Output 1982 2019

1988

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., Jan 1 1988, In : Nihon Kogyokaishi. 104, 1200, p. 57-62 6 p.

Research output: Contribution to journalArticle

Open Access
Porosity
porosity
Porous materials
porous medium
Flow of gases
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., 1987, In : Journal of the Geothermal Research Society of Japan. 9, 3, p. 237-249 13 p.

Research output: Contribution to journalArticle

thermal structure
electrical resistivity
temperature
electromagnetic field
comparison
1 Citation (Scopus)

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

Agglomeration
Aging of materials
Kerosene
Water
Experiments
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., 1987, In : Journal of the Geothermal Research Society of Japan. 9, 4, p. 285-306 22 p.

Research output: Contribution to journalArticle

water injection
one dimensional flow
permeability
silica
silicon dioxide

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

Ventilation

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

Ore deposits
Remote sensing
Silver
Gold
Light sources
3 Citations (Scopus)

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

volcanoes
fission
volcanology
volcano
andesite

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

aquifers
aquifer
tendencies
flow velocity
porosity
2 Citations (Scopus)

Infrared Imageries of Volcanic and Geothermal Areas in Kyushu by Helicopter

Yuhara, K., Ehara, S., Hara, M. & Fujimitsu, Y., 1987, In : Journal of the Geothermal Research Society of Japan. 9, 4, p. 307-355 49 p.

Research output: Contribution to journalArticle

infrared imagery
heat balance
helicopters
craters
volcanoes

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

Electric network analysis
Ventilation
Coal mines
Personal computers
Computer program listings
1 Citation (Scopus)

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., Jan 1 1987, In : Nihon Kogyokaishi. 103, 1198, p. 847-852 6 p.

Research output: Contribution to journalArticle

Open Access
Gas permeability
Coal
Methane
Nitrogen
Diffusion in gases
6 Citations (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., Jan 1 1987, In : Nihon Kogyokaishi. 103, 1197, p. 771-775 5 p.

Research output: Contribution to journalArticle

Open Access
Spontaneous combustion
Numerical analysis
combustion
Coal
coal
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

Kerosene
Surface properties
Agglomeration
Contact angle
Surface tension

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

Volcanic rocks
volcanic rock
tuff
Pliocene
Zircon
6 Citations (Scopus)
Atmospheric humidity
Moisture
Air
Temperature
Ventilation

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

Mizunaga, H., Ushijima, K., Noritomi, K., Tagomori, K. & Honda, M., 1986, In : Journal of the Geothermal Research Society of Japan. 8, 4, p. 361-377 17 p.

Research output: Contribution to journalArticle

electrical resistivity
Japan
electrode
modeling
well
5 Citations (Scopus)

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

permeability
silica
silicon dioxide
water
hydraulics

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., 1986, In : Journal of the Geothermal Research Society of Japan. 8, 4, p. 331-345 15 p.

Research output: Contribution to journalArticle

geothermal resources
electrical resistivity
resource
casing
fluid
9 Citations (Scopus)

Vacuum and atmospheric pressure TGA on an eastern Canadian coal

Hirajima, T., Chan, E. W. & Whiteway, S. G., Jan 1 1986, In : Fuel. 65, 6, p. 844-848 5 p.

Research output: Contribution to journalArticle

Coal
Atmospheric pressure
Vacuum
Pyrolysis
Temperature

乱流はく離泡の非定常挙動および構造に関する研究

Translated title of the contribution: Structure of a Turbulent Separation BubbleSasaki, K., Aug 1986, 日本機械学会誌, 89, 810, p. 489 1 p.

Research output: Contribution to specialist publicationFeatured article

Open Access
1985
9 Citations (Scopus)

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
Turbulence
turbulence
Cascades (fluid mechanics)
surface pressure
bubble
1 Citation (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

slickenside
veins
stress field
stress distribution
dip
3 Citations (Scopus)

MATHEMATICAL MODEL OF SILICA DEPOSITION IN A POROUS MEDIUM.

Itoi, R., Maekawa, H., Tatsuta, K., Fukuda, M., Jinno, K., Hatanaka, K., Nozaki, S., Yokoyama, T. & Shimizu, S., 1985, Transactions - Geothermal Resources Council. pt 2 ed. Geothermal Resources Council, Vol. 9. p. 337-340 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Porous materials
porous medium
silica
Silica
Mathematical models
1 Citation (Scopus)

PREDICTION METHOD OF GEOTHERMAL RESERVOIR TEMPERATURE AND PRESSURE CHANGES.

Fukuda, M., Itoi, R. & Sekoguchi, K., 1985, Transactions - Geothermal Resources Council. pt 2 ed. Geothermal Resources Council, Vol. 9. p. 503-506 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steam
prediction
Porosity
temperature
Temperature
218 Citations (Scopus)

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

Kiya, M. & Sasaki, K., Jan 1 1985, In : Journal of Fluid Mechanics. 154, p. 463-491 29 p.

Research output: Contribution to journalArticle

Vortex flow
bubbles
vortices
unsteady flow
Unsteady flow

Turbulence structure and unsteadiness in a separation-reattachment flow

Kiya, M. & Sasaki, K., Aug 7 1985, Proceedings of 5th Symposium on Turbulent Shear Flows (Ithaca, NY, USA). Springer-Verlag Berlin Heidelberg, p. 5.7-5.12 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Turbulence
Vortex shedding
Wind tunnels
Boundary layers
Vortex flow
4 Citations (Scopus)

スプリットフィルムプローブによる逆流領域の乱流測定

Translated title of the contribution: Turbulence Measurements in Reverse-Flow Region by Split-Film ProbeSasaki, K. & Kiya, M., May 25 1985, In : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 51, 465, p. 1615-1618 4 p.

Research output: Contribution to journalShort survey

Open Access
Turbulence
turbulence
probe
probes
mean square values
1984
8 Citations (Scopus)

EXPERIMENTAL STUDY ON THE SILICA DEPOSITION IN A POROUS MEDIUM.

Itoi, R., Maekawa, H., Fukuda, M., Jinno, K., Hatanaka, K., Yokoyama, T. & Shimizu, S., 1984, Transactions - Geothermal Resources Council. Geothermal Resources Council, Vol. 8. p. 301-304 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Porous materials
porous medium
experimental study
silica
Silica

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

Boreholes
Flow of gases
Coal
Gases
Radial flow

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
1 Citation (Scopus)

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
flow characteristics
heat transfer
bubble
bubbles
Heat transfer

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
3 Citations (Scopus)

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
1983
2 Citations (Scopus)

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

Itoi, R., Fukuda, M., Sekoguchi, K. & Iwaki, T., 1983, In : Journal of the Geothermal Research Society of Japan. 5, 4, p. 235-248 14 p.

Research output: Contribution to journalArticle

steam flow
water flow
theoretical study
flow velocity
pressure heads

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
bubbles
low frequencies
wall pressure
flat plates
leading edges

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., Nov 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
bubbles
sampling
reversed flow
Sampling
wall pressure

離散渦法によるはく離および再付着流れの解析

Translated title of the contribution: Discrete-vortex analysis of separation and reattachment FlowsKiya, M., Sasaki, K. & Omichi, T., Mar 1983, In : Journal of The Flow Visualization Society of Japan. 3, 9, p. 98-100 3 p.

Research output: Contribution to journalShort survey

Open Access
1982
1 Citation (Scopus)

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

Ventilation
Air
Temperature
97 Citations (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

solid surfaces
Bubble
vortex filaments
Vortex
Vortex flow