Research Output 1986 2020

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Conference article
2019

A study on performance prediction of Darrieus-type hydroturbine operated in open channels using CFD with actuator disk method

Suzuki, Y., Katayama, Y., Watanabe, S., Tsuda, S. & Furukawa, A., Mar 28 2019, In : IOP Conference Series: Earth and Environmental Science. 240, 4, 042020.

Research output: Contribution to journalConference article

Open Access
turbine
prediction
flow velocity
experiment
flow field

Experimental investigation on suction performance and cavitation instabilities of turbopumps with two different inducers

Morii, T., Tanaka, Y., Watanabe, S., Ohashi, S. & Matsunaga, Y., Mar 28 2019, In : IOP Conference Series: Earth and Environmental Science. 240, 3, 032041.

Research output: Contribution to journalConference article

Open Access
cavitation
suction
pump
low flow
shaft

Performance of a submerged impulse hydro turbine

Azegami, T., Katayama, Y., Haneda, Y. & Iio, S., Mar 28 2019, In : IOP Conference Series: Earth and Environmental Science. 240, 4, 042014.

Research output: Contribution to journalConference article

Open Access
turbine
cavitation
electricity
friction
drinking water

Torque loss occurring on a Submerged impulse hydro turbine

Usami, S., Koyama, H., Azegami, T., Katayama, Y., Haneda, Y. & Iio, S., Mar 28 2019, In : IOP Conference Series: Earth and Environmental Science. 240, 4, 042017.

Research output: Contribution to journalConference article

Open Access
torque
turbine
loss
environmental issue
pipe

Unsteady forces and moments acting on a cantilevered rectangular hydrofoil with tip clearance in cavitating conditions

Ehara, Y., Kitamura, S., Tsuru, W., Watanabe, S. & Tsuda, S. I., Mar 28 2019, In : IOP Conference Series: Earth and Environmental Science. 240, 6, 062054.

Research output: Contribution to journalConference article

Open Access
drag
cavitation
two-dimensional flow
gauge
asymmetry
2018

Backflow vortex behaviours in contra-rotating axial flow pump at low flow rates

Zhang, D., Tsuneda, T., Katayama, Y., Watanabe, S., Tsuda, S. & Furukawa, A., Jul 30 2018, In : IOP Conference Series: Earth and Environmental Science. 163, 1, 012036.

Research output: Contribution to journalConference article

low flow
vortex
pump
rate
simulation
2016
2 Citations (Scopus)

How to Avoid Severe Incidents at Pumped Storage Power Plants

Yasuda, M. & Watanabe, S., Dec 13 2016, In : IOP Conference Series: Earth and Environmental Science. 49, 11, 112002.

Research output: Contribution to journalConference article

power plant
machinery
solar power
wind power
cost

Performance Prediction of Darrieus-Type Hydroturbine with Inlet Nozzle Operated in Open Water Channels

Nakashima, K., Watanabe, S., Matsushita, D., Tsuda, S. & Furukawa, A., Dec 13 2016, In : IOP Conference Series: Earth and Environmental Science. 49, 10, 102011.

Research output: Contribution to journalConference article

open water
turbine
prediction
weir
open channel flow
2015
3 Citations (Scopus)
Cavitation
Nozzles
Void fraction
Vapors
Liquids
3 Citations (Scopus)

Validation of Bubble Dynamics Equation for a Nano-scale Bubble via Molecular Dynamics Simulation

Tsuda, S., Hyodo, H. & Watanabe, S., Dec 3 2015, In : Journal of Physics: Conference Series. 656, 1, 012039.

Research output: Contribution to journalConference article

bubbles
molecular dynamics
Rayleigh equations
simulation
noncondensable gases
2014
1 Citation (Scopus)

Tentative study on performance of darriues-type hydroturbine operated in small open water channel

Matsushita, D., Moriyama, R., Nakashima, K., Watanabe, S., Okuma, K. & Furukawa, A., Jan 1 2014, In : IOP Conference Series: Earth and Environmental Science. 22, 062007.

Research output: Contribution to journalConference article

open water
turbine
torque
water level
channel flow
3 Citations (Scopus)

Unsteady lift and drag characteristics of cavitating Clark Y-11.7% hydrofoil

Watanabe, S., Yamaoka, W. & Furukawa, A., Jan 1 2014, In : IOP Conference Series: Earth and Environmental Science. 22, 052009.

Research output: Contribution to journalConference article

drag
cavity
oscillation
cavitation
unsteady flow
2013
4 Citations (Scopus)

Blade rows interaction in contra-rotating axial flow pump designed with different rotational speed concept

Cao, L. L., Watanabe, S., Imanishi, T., Yoshimura, H. & Furukawa, A., Dec 1 2013, In : IOP Conference Series: Materials Science and Engineering. 52, TOPIC 2, 022004.

Research output: Contribution to journalConference article

Axial flow
Turbomachine blades
Rotors
Pumps
Fourier analysis
2012
4 Citations (Scopus)

On high efficiency operation of contra-rotating axial flow pump with rotational speed control toward effective energy saving

Cao, L. L., Watanabe, S., Imanishi, T., Momosaki, S. & Furukawa, A., Dec 1 2012, In : IOP Conference Series: Earth and Environmental Science. 15, PART 4, 042027.

Research output: Contribution to journalConference article

pump
prediction
speed
energy saving
method
1 Citation (Scopus)

Research on Darrieus-type hydraulic turbine for extra-low head hydropower utilization

Furukawa, A., Watanabe, S. & Okuma, K., Dec 1 2012, In : IOP Conference Series: Earth and Environmental Science. 15, PART 1, 012003.

Research output: Contribution to journalConference article

turbine
hydraulics
cavitation
fluid dynamics
2009
2 Citations (Scopus)

Development of pressure sensitive molecular film as a measurement technique for micro-flows

Matsuda, Y., Mori, H., Sakazakf, Y., Uchida, T., Suzuki, S., Yamaguchi, H. & Niimi, T., Apr 13 2009, In : AIP Conference Proceedings. 1084, p. 527-532 6 p.

Research output: Contribution to journalConference article

pressure sensitive paints
pressure measurement
Knudsen flow
polymers
pressure distribution
3 Citations (Scopus)

Measurement and analysis of rotational energy of nitrogen molecular beam by REMPI

Mori, H., Yamaguchi, H., Kataoka, K., Sugiyama, N., Ide, K. & Niimi, T., Apr 13 2009, In : AIP Conference Proceedings. 1084, p. 551-556 6 p.

Research output: Contribution to journalConference article

molecular beams
energy distribution
nitrogen
ionization
internal energy
2003
5 Citations (Scopus)

Analyses of flow field structures around linear-type aerospike nozzles using LIF and PSP

Niimi, T., Mori, H., Okabe, K., Masai, Y. & Taniguchi, M., Dec 1 2003, In : ICIASF Record, International Congress on Instrumentation in Aerospace Simulation Facilities. p. 15-20 6 p.

Research output: Contribution to journalConference article

pressure sensitive paints
laser induced fluorescence
Paint
flow field
nozzles

Flow velocity measurements in nitrogen plumes stimulated by REMPI

Dankert, C. & Mori, H., Dec 1 2003, In : ICIASF Record, International Congress on Instrumentation in Aerospace Simulation Facilities. p. 304-308 5 p.

Research output: Contribution to journalConference article

Flow measurement
velocity measurement
Flow velocity
Velocity measurement
plumes
1998
7 Citations (Scopus)

Role of tip leakage vortex breakdown in compressor rotor aerodynamics

Furukawa, M., Inoue, M., Saiki, K. & Yamada, K., Jan 1 1998, In : American Society of Mechanical Engineers (Paper). GT

Research output: Contribution to journalConference article

Compressors
Aerodynamics
Vortex flow
Rotors
Flow simulation
1993

Behavior of three-dimensional boundary layers in a radial inflow turbine scroll

Hara, K., Furukawa, M. & Inoue, M., Jan 1 1993, In : American Society of Mechanical Engineers (Paper).

Research output: Contribution to journalConference article

secondary flow
Secondary flow
turbine
Boundary layers
inflow
1991
Unsteady flow
Fluxes
Cascades (fluid mechanics)
Vortex shedding
Turbulence models
1990
1 Citation (Scopus)
finite volume method
Finite volume method
flow field
Flow fields
Fluxes