H. Murakawa, S. Maeda, S. Eckert
Effects of a horizontal magnetic field on the cross-sectional distribution of gas bubbles chain rising in a gallium alloy, International Journal of Multiphase Flow 170, 104649 (2024).
https://doi.org/10.1016/j.ijmultiphaseflow.2023.104649
Y. Kubo, S. Yamada, H. Murakawa, H. Asano
Heat transfer coefficient of boiling flows in minichannels with a semicircular cross-section, Applied Thermal Engineering 220, 119697 (2023).
https://doi.org/10.1016/j.applthermaleng.2022.119697
T. Ubara, K. Sugimoto, H. Asano
Film thickness and heat transfer characteristics of R1233zd(E) falling film with nucleate boiling on an inclined plate, International Journal of Heat and Mass Transfer 198, 123423 (2022).
https://doi.org/10.1016/j.ijheatmasstransfer.2022.123423
H. Murakawa, Y. Miyoshi, K. Araki, K. Sugimoto, H. Asano, S. Makimoto
Effect of bubble motion on local heat transfer around a tube across horizontal
in-line and staggered tube bundles in bubbly and intermittent flows, Mechanical
Engineering Journal 9(4), 22-00069 (2022). https://doi.org/10.1299/mej.22-00069
疋田 真登志，山北 貴也，浅野 等
水平非円形細管内気液二相流のボイド率特性に関する研究，混相流 36(1), pp. 47-54 (2022).
T. Ubara, H. Asano, K. Sugimoto
Falling Film Evaporation and Pool Boiling Heat Transfer of R1233zd(E) on Thermal Spray Coated Tube, Applied Thermal Engineering, 117329 (2021). https://doi.org/10.1016/j.applthermaleng.2021.117329
乳原 励, 澤渡 一哉, 杉本 勝美, 浅野 等
溶射被膜を有するローフィン管のR 134aおよびR 1233zd(E)における水平管外流 下液膜蒸発熱伝達, 日本冷凍空調学会論文集 38(2) (2021), pp.133-143. https://doi.org/10.11322/tjsrae.21-09NK_EM
秋山 亮仁, 浅野 友徳, 浅野 等, 丸山 和久, 江田 秋人
水平三角形細管内凝縮熱流動特性に関する研究, 日本冷凍空調学会論文集 38(2) (2021), pp.73-83. https://doi.org/10.11322/tjsrae.21-12NK_EM
H. Murakawa, S. Ichimura, K. Sugimoto, H. Asano, S. Umezawa, H. Taira, M. Ibi, H. Akahane
Measurement of steam flow rates using a clamp-on ultrasonic flowmeter with various wetness fractions, Flow Measurement and Instrumentation 80, 101997(2021). https://doi.org/10.1016/j.flowmeasinst.2021.101997
H. Murakawa, T. Shimizu, S. Eckert
Development of a high-speed ultrasonic tomography system for measurements of rising bubbles in a horizontal cross-section, Measurement 182, 109654 (2021). https://doi.org/10.1016/j.measurement.2021.109654
Y. Kubo, S. Yamada, H. Murakawa, H. Asano
Pressure Drop and Flow Patterns of Boiling Flows in Mini-Channels with Semi-Circular Cross-Section, Applied Thermal Engineering 194, 117096 (2021).https://doi.org/10.1016/j.applthermaleng.2021.117096
H. Murakawa, S. Ichimura, M. Shimada, K. Sugimoto, H. Asano, S. Umezawa, K. Sugita
Effect of incident angle on ultrasonic transmission in steam flow for use with clamp-on ultrasonic flowmeter, Mechanical Engineering Journal 7(4), 20-00131 (2020). https://doi.org/10.1299/mej.20-00131
T. Ubara, H. Asano, K. Sugimoto
Heat transfer enhancement of falling film evaporation on a horizontal tube by thermal spray coating, Applied Sciences, 10(5), 1632 (2020). https://doi.org/10.3390/app10051632
H. Murakawa, S. Ichimura, K. Sugimoto, H. Asano, S. Umezawa, K. Sugita
Evaluation method of transit time difference for clamp-on ultrasonic flowmeters in two-phase flows, Experimental Thermal and Fluid Science 112 (2020) 109957. https://doi.org/10.1016/j.expthermflusci.2019.109957
H. Murakawa, S. Sakihara, K. Sugimoto, H. Asano, D. Ito, Y. Saito
Simultaneous Measurements of Water Distribution and Electrochemical Characteristics
in Polymer Electrolyte Fuel Cell, Materials Research Proceedings 15 (2020)
pp. 268-273. https://doi.org/10.21741/9781644900574-42
H. Asano, H. Murakawa, R. Moriyasu, K. Sugimoto, Y. Kubo, K. Fukutani, D. Ito, Y. Saito
Visualization and Measurement of Boiling Flow Behaviors in Parallel Mini-channel
Heat Exchanger by Neutron Radiography, Materials Research Proceedings 15
(2020) pp.274-280. https://doi.org/10.21741/9781644900574-43
E. Shoji, K. Yamagiwa, M. Kubo, T. Tsukada, S. Takami, K. Sugimoto, D. Ito, Y. Saito, S. Teratani
Flow visualization of heavy oil in a packed bed using real-time neutron
radiography, Chemical Engineering Science 196 (2019) pp.425-432. https://doi.org/10.1016/j.ces.2018.11.021
H. Murakawa, M. Baba, T. Miyazaki, K. Sugimoto, H. Asano, D. Ito
Local void fraction and heat transfer characteristics around tubes in two-phase flows across horizontal in-line and staggered tube bundles, Nuclear Engineering and Design 344 (2018) pp.66-74.
https://doi.org/10.1016/j.nucengdes.2018.05.005
E. Muramatsu, H. Murakawa, D. Hashiguchi, K. Sugimoto, H. Asano, S. Wada, N. Furuichi
Applicability of hybrid ultrasonic flow meter for wide-range flow-rate under distorted velocity profile conditions, Experimental Thermal and Fluid Science 94 (2018), pp.49-58. https://doi.org/10.1016/j.expthermflusci.2018.01.032
K. Miyoshi, N. Takenaka, T. Ishida, K. Sugimoto
Investigation of temperature fluctuation phenomena in a stratified steam-water
two-phase flow in a simulating pressurizer spray pipe of a pressurized
water reactor, Nuclear Engineering and Design 316 (2017), pp.38-45. https://doi.org/10.1016/j.nucengdes.2017.02.006
式地 千明, 上野 貴之, 箕浦 健二, 浅野 等
単流路プレートフィン熱交換器内垂直上昇沸騰熱伝達に及ぼす加熱媒体流動方向の影響, 日本冷凍空調学会論文集 34(4) (2017), pp.453-461.
https://doi.org/10.11322/tjsrae.17-53HE
式地 千明, 富永 悠揮, 浅野 等
オフセットフィンを内蔵したプレートフィン熱交換器内気液二相流の流動特性に関する研究, 日本冷凍空調学会論文集 34(1) (2017), pp.13-24.
https://doi.org/10.11322/tjsrae.16-30
H. Asano, T. Nakamura
Effect of surface structure on void fraction of subcooled forced boiling
in rectangular narrow channel, Proc. of The 16th International Heat Transfer
Conference (2018) pp.1349-1356. https://doi.org/10.1615/IHTC16.bae.023156
T. Miyazaki, M. Baba, H. Murakawa, H. Asano, K. Sugimoto, D. Ito
Two-phase flow behavior and heat transfer characteristics in kettle reboiler,
Proc. of the ASME 2017 Power Conference Joint With ICOPE-17, #POWER-ICOPE2017-3293
(2017). https://doi.org/10.1115/POWER-ICOPE2017-3293
K. Shikichi , T. Ueno , H. Asano
Effect of Flow Direction of Heating Medium on Heat Transfer Performance
of Single-Path Plate-Fin Evaporator, Proc. of the ASME 2017 Power Conference
Joint With ICOPE-17, #POWER-ICOPE2017-3278 (2017). https://doi.org/10.1115/POWER-ICOPE2017-3278
T.T. Nguyen, N. Tsuzuki, H. Murakawa, N.H. Duong, H. Kikura
Measurement of the condensation rate of vapor bubbles rising upward in
subcooled water by using two ultrasonic frequencies, Int. J. Heat and Mass
Transfer 99 (2016), pp.159-169. https://doi.org/10.1016/j.ijheatmasstransfer.2016.03.109
T.T. Nguyen, H. Murakawa, N. Tsuzuki, N.H. Duong, H. Kikura
Ultrasonic Doppler Velocity Profile Measurement of Single- and Two-Phase
Flows using Spike Excitation, Experimental Techniques 40(4) (2016), pp.1235-1248.
https://doi.org/10.1007/s40799-016-0123-8
E. Muramatsu, H. Murakawa, K. Sugimoto, H. Asano, N. Takenaka, N. Furuichi
Multi-wave ultrasonic Doppler method for measuring high flow-rates using
staggered pulse intervals, Measurement Science and Technology 27 (2016),
025303 (11pp). https://doi.org/10.1088/0957-0233/27/2/025303
H. Ohta, H. Asano, O. Kawanami, et al.
Development of Boiling and Two-Phase Flow Experiments on Board ISS (Research
Objectives and Concept of Experimental Setup), International Journal of
Microgravity Science and Application 33(1) (2016), 330102. https://doi.org/10.15011/ijmsa.33.330102
R. Imai, K. Suzuki, H. Kawasaki, H. Ohta, Y. Shinmoto, H. Asano, et al.
Development of Boiling and Two-Phase Flow Experiments on Board ISS (Condensation
Section), International Journal of Microgravity Science and Application
33(1) (2016), 330103. https://doi.org/10.15011/ijmsa.33.330103
T. Gomyo, H. Asano, H. Ohta, Y. Shinmoto, et al.
Development of Boiling and Two-Phase Flow Experiments on Board ISS (Void
Fraction Characteristics in the Observation Section just at the Downstream
of the Heating Section), International Journal of Microgravity Science
and Application 33(1) (2016), 330104. https://doi.org/10.15011/ijmsa.33.330104
T. Hirokawa, D. Yamamoto, D. Yamamoto, Y. Shinmoto, H. Ohta, H. Asano, et al.
Development of Boiling and Two-Phase Flow Experiments on Board ISS (Investigation
on Performance of Ground Model), International Journal of Microgravity
Science and Application 33(1) (2016), 330105. https://doi.org/10.15011/ijmsa.33.330105
K. Sawada, T. Kurimoto, A. Okamoto, S. Matsumoto, H. Takaoka, H. Kawasaki, M. Takayanagi, Y. Shinmoto, H. Asano, et al.
Development of Boiling and Two-phase Flow Experiments on Board ISS (Dissolved Air Effects on Subcooled Flow Boiling Characteristics),
International Journal of Microgravity Science and Application 33(1) (2016), 330106. https://doi.org/10.15011/ijmsa.33.330106
M. Okubo, O. Kawanami, K. Nakamoto, H. Asano, H. Ohta, et al.
Development of Boiling and Two-phase Flow Experiments on Board ISS (Temperature Data Derivation and Image Analysis of a Transparent Heated Short Tube in the Glass Heated Section),
International Journal of Microgravity Science and Application 33(1) (2016), 330107. https://doi.org/10.15011/ijmsa.33.330107
H. Asano, J. Yoshidome, T. Nakamura, T. Gomyo
Effect of Heat Transfer Surface Structure on Wall Temperature and Void
Fraction Characteristics in Boiling Transition, Multiphase Science and
Technology 27 (2015), pp.133-146. https://doi.org/10.1615/MultScienTechn.v27.i2-4.30
H. Murakawa, K. Sugimoto, M. Sawada, M. Nishizaki, H. Asano, N. Takenaka, Y. Saito
Study of water transport phenomena in polymer electrolyte fuel cells in
the through-plane direction, Multiphase Science and Technology 27(2-4)
(2015), pp.117-132. https://doi.org/10.1615/MultScienTechn.v27.i2-4.20
H. Asano, K. Murata, N. Takenaka, Y. Saito
Visualization and Measurement of Adsorption/Desorption Process of Ethanol
in Activated Carbon Adsorber, Physics Procedia 69 (2015), pp.503-508. https://doi.org/10.1016/j.phpro.2015.07.071
H. Murakawa, K. Sugimoto, N. Kitamura, M. Sawada, H. Asano, N. Takenaka, Y. Saito
Visualization of water accumulation process in polymer electrolyte fuel
cell using neutron radiography, Physics Procedia 69 (2015), pp.607-611.
https://doi.org/10.1016/j.phpro.2015.07.086
H. Murakawa, K. Sugimoto, N. Kitamura, H. Asano, N. Takenaka, Y. Saito
Visualization and Measurement of Water Distribution in Through-Plane Direction of Polymer Electrolyte Fuel Cell during Start-Up by Using Neutron Radiography, Journal of Flow Control, Measurement & Visualization 3(3) (2015), pp.122-133. https://doi.org/10.4236/jfcmv.2015.33012
H. Murakawa, E. Muramatsu, K. Sugimoto, N. Takenaka, N. Furuichi
A dealiasing method for use with ultrasonic pulsed Doppler in measuring
velocity profiles and flow rates in pipes, Measurement Science and Technology
26 (2015), 085301 (11pp). https://doi.org/10.1088/0957-0233/26/8/085301
T.T. Nguyen, H. Kikura, H. Murakawa, N. Tsuzuki
Measurement of bubbly two-phase flow in vertical pipe using multiwave ultrasonic
pulsed Doppler method and wire mesh tomography, Energy Procedia 71 (2015),
pp.337-351. https://doi.org/10.1016/j.egypro.2014.11.887
H. Asano, K. Honda, N. Takeda, M. Kondo, K. Nishimura
Performance evaluation of a plate type condenser for heat pump water heater,
Mechanical Engineering Journal 2(1) (2015), p.14-00338. https://doi.org/10.1299/mej.14-00338
H. Asano, K. Honda, T. Kawaguchi, N. Takeda, M. Kondo, K. Nishimura
Effect of Wave Height and its Orientation on Heat Transfer Performance of Plate Condenser Used for Heat Pump Water Heater, Proc. of International Conference on Power Engineering-15 (2015) #ICOPE-15-1040. https://doi.org/10.1299/jsmeicope.2015.12._ICOPE-15-_35
E. Muramatsu, H. Murakawa, K. Sugimoto, N. Takenaka
A new method for high flow rate measurement using ultrasonic multi-wave
pulsed Doppler method with staggered trigger, Proc. of International Conference
on Power Engineering-15 (2015) #ICOPE-15-1040. https://doi.org/10.1299/jsmeicope.2015.12._ICOPE-15-_27
M. Sawada, M. Nishizaki, H. Murakawa, K. Sugimoto, H. Asano, N. Takenaka, Y. Saito, D. Ito
Visualization of water distribution in an operating PEFC in the through-plane
direction, Proc. of International Conference on Power Engineering-15 (2015)
#ICOPE-15-1041. https://doi.org/10.1299/jsmeicope.2015.12._ICOPE-15-_28
T.T. Nguyen, N. Tsuzuki, H. Murakawa, A. Povolny, N.H. Duong, H. Kikura
The principle and preliminary evaluation of a multiwave ultrasonic method
for the measurement of the condensation rate in subcooled flow boiling,
Proc. of International Conference on Nuclear Engineering-23 (2015) #ICONE23-1868.
https://doi.org/10.1299/jsmeicone.2015.23._ICONE23-1_413