Hiroyuki Hirahara - Articles - Scientific Research Publishing

Effect of Gas Oscillation-Induced Irreversible Flow in Transitional Bronchioles of Human Lung (Articles)

Bing Han, Hiroyuki Hirahara

Journal of Flow Control, Measurement & Visualization Vol.4 No.4，October 31, 2016

DOI: 10.4236/jfcmv.2016.44015 1,770 Downloads 3,419 Views Citations
Numerical Performance Assessment of a Flapping-Type Vertical Axis Wind Turbine with Chebyshev-Dyad Linkage (Articles)

Md. Sabbir Alam, Hiroyuki Hirahara

Smart Grid and Renewable Energy Vol.8 No.2，February 28, 2017

DOI: 10.4236/sgre.2017.82004 2,006 Downloads 3,566 Views Citations
Performance Assessment of a Calm Flapping Wind Turbine with Small Attack Angle (Articles)

Md. Sabbir Alam, Hiroyuki Hirahara

Smart Grid and Renewable Energy Vol.8 No.8，August 21, 2017

DOI: 10.4236/sgre.2017.88018 1,348 Downloads 3,219 Views Citations
Effects of air sac compliances on flow in the parabronchi: Computational fluid dynamics using an anatomically simplified model of an avian respiratory system (Articles)

Akira Urushikubo, Masanori Nakamura, Hiroyuki Hirahara

Journal of Biomedical Science and Engineering Vol.6 No.4，April 29, 2013

DOI: 10.4236/jbise.2013.64061 4,669 Downloads 7,241 Views Citations
Momentum Transfer on Underwater Shock Generation Induced by Pulsed Laser Irradiation with Thin Metal (Articles)

Rokhsan Ara Hemel, Hiroyuki Hirahara, Kento Takahashi

Open Journal of Fluid Dynamics Vol.6 No.3，September 13, 2016

DOI: 10.4236/ojfd.2016.63014 1,665 Downloads 2,876 Views Citations
Streaming Caused by Oscillatory Flow in Peripheral Airways of Human Lung (Articles)

Bing Han, Hiroyuki Hirahara, Sho Yoshizaki

Open Journal of Fluid Dynamics Vol.6 No.3，September 22, 2016

DOI: 10.4236/ojfd.2016.63019 2,072 Downloads 3,652 Views Citations
Evaluation of Rugby Players’ Psychological-Competitive Ability by Utilizing the Analytic Hierarchy Process (Articles)

Koichiro Aoki, Minoru Uehara, Chieko Kato, Hiroyuki Hirahara

Open Journal of Social Sciences Vol.4 No.12，December 29, 2016

DOI: 10.4236/jss.2016.412010 2,185 Downloads 5,590 Views Citations
A Consideration on Emotional Topology: Verbal Data Processing and Representation Applied to Athlete Statements (Articles)

Koichiro Aoki, Hiroyuki Hirahara, Chieko Kato, Kensei Tsuchida

Psychology Vol.9 No.4，April 30, 2018

DOI: 10.4236/psych.2018.94054 843 Downloads 1,777 Views Citations
A Consideration of Emotional Topology: Representing Psychological Transitions on a Two-Dimensional Map (Articles)

Koichiro Aoki, Hiroyuki Hirahara, Chieko Kato, Kensei Tsuchida

Psychology Vol.9 No.7，July 31, 2018

DOI: 10.4236/psych.2018.97111 830 Downloads 1,715 Views Citations
Experimental Investigation of Fluid Mixing Process with Newly Designed Conduit-Type Mixer and Fin-Type Mixer (Articles)

Md. Tauhedul Azam, Donghyuk Kang, Hiroyuki Hirahara, Kazuhisa Murata, Yasufumi Shimoji

Journal of Flow Control, Measurement & Visualization Vol.7 No.2，April 4, 2019

DOI: 10.4236/jfcmv.2019.72008 1,074 Downloads 2,621 Views Citations
Consideration on Poverty Problem of Young People in Industrialized Countries and Their Solutions (Articles)

Daisuke Hirahara

Modern Economy Vol.9 No.1，January 25, 2018

DOI: 10.4236/me.2018.91013 1,095 Downloads 2,509 Views Citations
Comparison between 3D-IR-BTFE Method and Conventional Method in Contrast Head MRI Examination (Articles)

Daisuke Hirahara

Open Journal of Medical Imaging Vol.8 No.3，August 28, 2018

DOI: 10.4236/ojmi.2018.83005 911 Downloads 2,033 Views Citations
Simple Preparation of Halogen-Substituted α-Diimine Nickel Complexes Immobilized into Clay Interlayer as Catalysts for Ethylene Oligo-/Polymerization (Articles)

Miru Yoshida-Hirahara, Shiori Fujiwara, Hideki Kurokawa

Modern Research in Catalysis Vol.6 No.2，April 30, 2017

DOI: 10.4236/mrc.2017.62008 1,491 Downloads 2,773 Views Citations
This article belongs to the Special Issue on Heterogeneous Catalysis
The Number of Ezrin-Expressing Lymphocytes Correlating with Tumor Cell Apoptosis and Prognosis of Human Gastric Carcinoma (Articles)

Takeshi Matsubara, Noriyuki Hirahara, Ryouji Hyakudomi, Yoshitsugu Tajima

Open Journal of Gastroenterology Vol.4 No.9，September 26, 2014

DOI: 10.4236/ojgas.2014.49045 2,381 Downloads 3,086 Views Citations
Effect of the Pixel Interpolation Method for Downsampling Medical Images on Deep Learning Accuracy (Articles)

Daisuke Hirahara, Eichi Takaya, Mizuki Kadowaki, Yasuyuki Kobayashi, Takuya Ueda

Journal of Computer and Communications Vol.9 No.11，November 30, 2021

DOI: 10.4236/jcc.2021.911010 439 Downloads 3,172 Views Citations
Interactive Visualization System of Taylor Vortex Flow Using Stokes' Stream Function (Articles)

Hiroyuki Furukawa

World Journal of Mechanics Vol.2 No.4，August 6, 2012

DOI: 10.4236/wjm.2012.24023 5,232 Downloads 7,783 Views Citations
A New Motor of Stick Type with Coupled Mechanical Vibration of Bimorph Beam and Frictional Force (Articles)

Hiroyuki Yaguchi

Engineering Vol.7 No.7，July 21, 2015

DOI: 10.4236/eng.2015.77040 3,948 Downloads 4,835 Views Citations
Inequality of Realization of a Stochastic Dynamics Based on the Erdös Discrepancy Problem (Articles)

Hiroyuki Kato

Applied Mathematics Vol.10 No.10，October 12, 2019

DOI: 10.4236/am.2019.1010060 520 Downloads 1,174 Views Citations
An Activity Recognition System at Home Based on CO₂ Sensors (Articles)

Hiroyuki Matsubara

Journal of Computer and Communications Vol.11 No.11，November 24, 2023

DOI: 10.4236/jcc.2023.1111004 101 Downloads 367 Views Citations
A New Method for Improving Robustness of Registered Fingerprint Data Using the Fractional Fourier Transform (Articles)

Reiko Iwai, Hiroyuki Yoshimura

Int'l J. of Communications, Network and System Sciences Vol.3 No.9，September 30, 2010

DOI: 10.4236/ijcns.2010.39096 5,748 Downloads 9,630 Views Citations

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