Yasushi Oka

发表

Ceiling-jet thickness and vertical distribution along flat-ceilinged horizontal tunnel with natural ventilation

Yasushi Oka, Hideyuki Oka, Osamu Imazeki, 2016 .

IMPROVEMENT OF A BOGIE ROLLING TEST FACILITY FOR THE EXPERIMENT OF CURVING PERFORMANCE

Yoshihiro Suda, Yasushi Oka, Akira Matsumoto, 2004 .

Temperature profile of ceiling jet flow along an inclined unconfined ceiling

Yasushi Oka, Osamu Imazeki, Osami Sugawa, 2010 .

Study on Estimation of Firefighter’s Fatigue by Heart Beat Fluctuation based on Frequency Analysis

Yasushi Oka, Yukihisa Kuriyama, Yushi Ito, 2015 .

Flame Merging From Two Rectangular Fire Sources In Parallel Configuration

Yasushi Oka, Osami Sugawa, W. Takahash, 1992 .

Effect of Shape and Size of a Fire Source on Fire Properties in Vicinity of a Fire Source in a Tunnel

Hitoshi Kurioka, Yasushi Oka, 2006 .

Ceiling Jet Flow Property in the Case of Flame Touching an Inclined Ceiling

Yasushi Oka, M. Ando, Kyoko Kamiya, 2011 .

COMPATIBILITY OF CURVING PERFORMANCE AND HUNTING STABILITY OF RAILWAY BOGIE

Yasuhiro Sato, Yoshihiro Suda, Yasushi Oka, 1999 .

AN EXPERIMENTAL STUDY ON PREDICTING METHOD OF FIRE LOCATION BASED ON CEILING JET TEMPERATURE UNDER UNCONFINED CEILING

Yasushi Oka, Jun-ichi Yamaguchi, Ko Muraoka, 2007 .

Temperature Property of Ceiling Jet in an Inclined Tunnel

Yasushi Oka, Osamu Imazeki, Norichika Kakae, 2013 .

Verification of Dynamics of an Experimental Single-Axle Truck—Comparison of stand tests, running tests and simulation

Yoshihiro Suda, Yasushi Oka, Yasuhiro Sato, 2002 .

EXPERIMENTAL STUDY ON TEMPERATURE PROPERTY OF CEILING JET FLOWING THROUGH THE ACCUMULATED THIN SMOKE LAYER

Yasushi Oka, Jun-ichi Yamaguchi, Ko Muraoka, 2013 .

Wheel/rail contact analysis of tramways and LRVs against derailment

Akira Matsumoto, Yasuhiro Sato, Yasushi Oka, 2008 .

Building fires and visualization.

Yasushi Oka, Makoto Tsujimoto, Osami Sugawa, 1990 .

Lesson from the Case Study of the Accident in the General Waste Management.

Yasushi Oka, Hiroshi Hasegawa, Masahide Wakakura, 1998 .

Modelling of unconfined flame tilt in cross-winds

Hiroomi Satoh, Yasushi Oka, Osami Sugawa, 2000 .

Effective Friction Control for Optimization of High Speed Rail Operations

Yasushi Oka, Ron Hui, Donald T. Eadie, 2010 .

Fire Plume Property From A Single Rectangular Fire Source In The Presence Of An External Wind

Yasushi Oka, Osami Sugawa, Yoshio Takeishi, 2004 .

Visualization of Temperature Field given by Extended Flame from an Opening during Fully Developed Comparment Fire using an Infrared Image Processor

Yasushi Oka, Hiroshi Ueno, Wataru Takahashi, 1989 .

Experimental study on temperature property along a tunnel axis with flat ceiling in natural ventilation

Yasushi Oka, Osamu Imazeki, Hideyuki Oka, 2014 .

Temperature distribution within a ceiling jet propagating in an inclined flat-ceilinged tunnel with natural ventilation

Yasushi Oka, Osamu Imazeki, 2015 .

Study on curving performance of railway bogies by using full-scale stand test

Yoshihiro Suda, Yasushi Oka, Masuhisa Tanimoto, 2006 .

Computational Fluid Dynamics of Hot Current from a Fire Source near a Tunnel Wall

Yasushi Oka, Osamu Imazeki, Reiko Amano, 2005 .

Fire properties in near field of square fire source with longitudinal ventilation in tunnels

Hiroomi Satoh, Hitoshi Kurioka, Yasushi Oka, 2003 .

Control of smoke flow in tunnel fires

Yasushi Oka, Graham T. Atkinson, Y. Oka, 1995 .

Experimental Study On Flame Merging Behavior From 2 By 3 Configuration Model Fire Sources

Yasushi Oka, Osami Sugawa, 2003 .

Dynamic Characteristics of a Single-Axle Truck for Compatibility between Stability and Curving Performance

Yoshihiro Suda, Yasushi Oka, Yasuhiro Sato, 2002 .

Experimental and Theoretical Study on the Dynamic Performance of Steering Bogie in Sharp Curve

Akira Matsumoto, Yasushi Oka, Yasuhiro Sato, 1998 .

A Case Study of Accidents in Waste Treatment

Yasushi Oka, Masahide Wakakura, Yoichi Uehara, 1996 .

A Study on Treatments of Waste Fire Retardant Plastics

Yasushi Oka, Takashi Uchida, Masahide Wakakura, 1999 .

Proposal of index for alerting firefighting activity continuation based on metabolic index for respiratory circulation to improve firefighters’ occupational safety

Yasushi Oka, Yukihisa Kuriyama, Y. Oka, 2019, Safety Science.

Proposal of Designed Fire Fighting Activity Model to Measure Fatigue Condition of Firefighters during Operation

Yasushi Oka, Yukihisa Kuriyama, Jun-ichi Ohba, 2012 .

Reaction Hazard Caused by Mixing of Waste.

Yasushi Oka, Yoichi Uehara, Hideo Otani, 1995 .

2A12 Experimental research on rail/wheel wear(Boundary)

Yasushi Oka, Yoshiaki Terumichi, Hirotaka Mori, 2015 .

443 A study on development of whirlpool on the fire plume and floor in the crosswind

Hitoshi Kurioka, Yasushi Oka, Osamu Imazeki, 2005 .

Wheel Slipping Experiment using Practical Car on Actual Track. Characteristics of Pre-Slipping Phenomenon.

Yasushi Oka, Masao Tomeoka, Masuhisa Tanimoto, 2001 .

Development of an Algebraic Model of Empirical Parameterization of Near Wakes around a Vehicle

Yasushi Oka, Hideyuki Oka, Mitsufumi Asami, 2021 .

A neutron detector using silicon PIN photodiodes for personal neutron dosimetry

Yasushi Oka, Chizuo Mori, Takahiko Aoyama, 1992 .

Study on Ceiling Jet Thickness Under an Inclined Ceiling

Yasushi Oka, Osamu Imazeki, M. Ando, 2011 .

Field studies of the effect of friction modifiers on short pitch corrugation generation in curves

Yasushi Oka, Donald T. Eadie, Kevin Oldknow, 2008 .

Velocity and temperature attenuation of a ceiling-jet along a horizontal tunnel with a flat ceiling and natural ventilation

Yasushi Oka, Hideyuki Oka, Y. Oka, 2016 .

Scale similarity on ceiling jet flow

Yasushi Oka, Ken Matsuyama, 2013 .

Correlation of temperature rise and velocity along an inclined fire plume axis in crosswinds

Yasushi Oka, Osami Sugawa, Tomohiko Imamura, 2008 .

THEORETICAL APPROACH ON FLAME TILT BASED ON APPARENT FLAME HEIGHTS IN FREE BOUNDARIES

Hiroomi Satoh, Hitoshi Kurioka, Yasushi Oka, 1999 .

Temperature and velocity distributions of a ceiling jet along an inclined ceiling – Part 1: Approximation with exponential function

Yasushi Oka, Osamu Imazeki, Y. Oka, 2014 .

Flame behaviour in a tunnel

Hitoshi Kurioka, Yasushi Oka, Osami Sugawa, 1998 .

Flame Height From Rectangular Fire Sources Considering Mixing Factor

Hiroomi Satoh, Yasushi Oka, Osami Sugawa, 1991 .

Temperature and velocity properties of a ceiling jet impinging on an unconfined inclined ceiling

Yasushi Oka, Y. Oka, Masaki Ando, 2013 .

Decrease of carbon dioxide concentration and entrainment of horizontally spreading ceiling jet

Yasushi Oka, Jun Ichi Yamaguchi, Ko Muraoka, 2014 .

Improvement of bogie curving performance by using friction modifier to rail/wheel interface: Verification by full-scale rolling stand test

Yasuhiro Sato, Yasushi Oka, Masao Tomeoka, 2005 .

Fire Properties With Longitudinal Ventilation In A Tunnel

Hiroomi Satoh, Hitoshi Kurioka, Yasushi Oka, 2001 .

Burning Behavior in a Poorly-Ventilated Compartment Fire -Ghosting Fire-

Yasushi Oka, Osami Sugawa, Kunio Kawagoe, 1989 .

Creep force characteristics between rail and wheel on scaled model

Yasuhiro Sato, Yasushi Oka, Akira Matsumoto, 2002 .

Formation mechanism and countermeasures of rail corrugation on curved track

Yasuhiro Sato, Yasushi Oka, Akira Matsumoto, 2002 .

PROPERTIES OF PLUME AND NEAR FIRE SOURCE IN HORIZONTALLY LONG AND NARROW SPACES

Hiroomi Satoh, Hitoshi Kurioka, Yasushi Oka, 2001 .

Burning behavior in a poor-ventilation compartment fire — ghosting fire —

Yasushi Oka, Osami Sugawa, Kunio Kawagoe, 1991 .

Temperature and velocity distributions of a ceiling jet along an inclined ceiling—Part 2: Approximation based on cubic function and coordinate transformation

Yasushi Oka, Osamu Imazeki, Y. Oka, 2014 .