Search Results 1-15 of 15

  • Effect of Elavated-Pressure and Radiative Heat Loss on Rotating Counterflow Twin Flame  [in Japanese]

    UEMICHI Akane , OSAKI Yasuo , NISHIOKA Makihito

    … Without radiation, the leanest extinction limits reached ultralean conditions; … above 2 atm, the leanest extinction limits cannot reach ultralean condition. …

    Journal of the Combustion Society of Japan 57(179), 60-70, 2015

    J-STAGE 

  • I112 Study on Flame Stretch for Rotating Counterflow Twin Flame  [in Japanese]

    Kozaki Kento , Uemichi Akane , Nishioka Makihito

    Effect of flame stretch on CH_4/air ultra lean co-rotation counter flow premixed flame was investigated by numerical simulation. Counterflow twin flame and co-rotating counterflow twin flame were comp …

    The Proceedings of the Thermal Engineering Conference 2014(0), _I112-1_-_I112-2_, 2014

    J-STAGE 

  • Experimental Study on High-Efficiency Heat-Regenerating Burner  [in Japanese]

    HIJIKATA Kunio , SUZUKI Yuji , IGETA Masanobu , TSUKUDA Kouichi , OKAZAKI Ken

    … This work investigates experimentally a novel heat-regenerating burner capable of operating at high temperatures and over wide fuel-air ratios, including ultralean mixtures. … A high-efficiency burner consists of a heat exchanger (regenerator) and a combustion chamber. … Heat is stored in the ceramic channel walls, which pre-heats the inlet fuel-air mixture to a high temperature prior to combustion. …

    Transactions of the Japan Society of Mechanical Engineers. Series B. 00062(00599), 2834-2839, 1996-07-25

    References (10)

  • A New Concept of Ultralean Premixed Compression-Ignition Engine  [in Japanese]

    FURUTANI Masahiro , KAWASHIMA Kazuhito , OHTA Yasuhiko

    … A novel concept is proposed to realize "Ultralean Premixed Compression-Ignition Operation". …

    Transactions of the Japan Society of Mechanical Engineers. Series B. 00062(00595), 1240-1246, 1996-03-25

    References (2) Cited by (43)

  • Experimental Study on High-Efficiency Heat-Regenerating Burner.  [in Japanese]

    HIJIKATA Kunio , SUZUKI Yuji , IGETA Masanobu , TSUKUDA Kouichi , OKAZAKI Ken

    … This work investigates experimentally a novel heat-regenerating burner capable of operating at high temperatures and over wide fuel-air ratios, including ultralean mixtures. … A high-efficiency burner consists of a heat exchanger (regenerator) and a combustion chamber. … Heat is stored in the ceramic channel walls, which pre-heats the inlet fuel-air mixture to a high temperature prior to combustion. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 62(599), 2834-2839, 1996

    J-STAGE 

  • Characteristics of Combustion and Heat Transfer of Excess Enthalpy Flames Stabilized in a Stagnation Flow : 2nd Report, Heat Flux at High Flow Rate and Effects of Lewis Number  [in Japanese]

    Ito Shoichi , Asato Katsuo , Kawamura Takeshi , Mazaki Tamotsu , Umemura Hitoshi

    … Characteristics of an excess enthalpy flame stabilized in an axisymmetric flow impinging on the heat receiver wall (the stagnation surface) in a combustion chamber, and heat fluxes utilized from flames under the conditions of high flow rates near the extinction limits were experimentally examined. … The effects of Lewis number of the deficient reactant on the characteristics of combustion were also discussed. …

    Transactions of the Japan Society of Mechanical Engineers. Series B. 59(564), p2529-2535, 1993-08

  • Characteristics of Combustion and Heat Transfer of Excess Enthalpy Flames Stabilized in a Stagnation Flow : 1st Report, Comparison of Excess Enthalpy Flames with Ordinary Flames  [in Japanese]

    Ito Shoichi , Asato Katsuo , Kawamura Takeshi , Mazaki Tamotsu , Hirayama Miki

    In order to develop new types of domestic heaters and burners for effective use of thermal energy and low emission of pollutants, characteristics of excess enthalpy flames stabilized in an axisymmetri …

    Transactions of the Japan Society of Mechanical Engineers. Series B. 59(562), p2051-2057, 1993-06

  • Study of Flame and Wall Temperature Visualization on Spark-Ignited Engine Ultralean Combustion

    GOTO Yuichi

    … This paper presents a unique approach for two-dimensional visualization and measurement of chamber wall temperatures in ultralean combustion engines. … It also includes a three-dimensional measurement method for flame speed in the lean combustion of spark-ignited engines. …

    JSME international journal. Ser. 2, Fluids engineering, heat transfer, power, combustion, thermophysical properties 35(3), 435-441, 1992

    J-STAGE  Cited by (1)

  • Study of Flame Speed and Wall Temperature Visualization on Spark-Ignition Engine Ultralean Combustion  [in Japanese]

    GOTO Yuichi

    Ultralean combustion (air-fuel ratio is more than 20) is known to be effective in point of combustion improvements such as clean exhaust gas and high thermal efficiency. … Yet, there are unsolved problems such as combustion instability. …

    Transactions of the Japan Society of Mechanical Engineers. Series B. 57(539), p2404-2409, 1991-07

  • Study of Flame Speed and Wall Temperature Visualization on Spark-Ignition Engine Ultralean Combustion.  [in Japanese]

    GOTO Yuichi

    Ultralean combustion (air-fuel ratio is more than 20) is known to be effective in point of combustion improvements such as clean exhaust gas and high thermal efficiency. … Yet, there are unsolved problems such as combustion instability. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 57(539), 2404-2409, 1991

    J-STAGE 

  • An Experimental Study on Combustion of an Ultralean-Fuel and Air Mixture by Heat Recirculation

    KAWAMURA Takeshi , ASATO Katsuo , ITO Shoichi

    … An experimental study was carried out on the excess enthalpy burning of an ultralean-methane/air mixture using a heat- recirculating burner. … (2) If the combustion of the mixture is incomplete in the combustion chamber and the residual of the mixture burns secondarily in the hot part of the heat exchanger downstream of the combustion chamber, the temperatures of both the preheated mixture and the flame drop. …

    JSME international journal. Ser. 2, Fluids engineering, heat transfer, power, combustion, thermophysical properties 32(2), 252-259, 1989-05-15

  • An Experimental Study on Combustion of an Ultralean-Fuel and Air Mixture by Heat Recirculation

    KAWAMURA Takeshi , ASATO Katsuo , ITO Shoichi

    … An experimental study was carried out on the excess enthalpy burning of an ultralean-methane/air mixture using a heat- recirculating burner. … (2) If the combustion of the mixture is incomplete in the combustion chamber and the residual of the mixture burns secondarily in the hot part of the heat exchanger downstream of the combustion chamber, the temperatures of both the preheated mixture and the flame drop. …

    JSME international journal. Ser. 2, Fluids engineering, heat transfer, power, combustion, thermophysical properties 32(2), 252-259, 1989

    J-STAGE 

  • An Experimental Study on Combustion of Ultralean -Fuel and Air Mixture by Heat Recirculation  [in Japanese]

    KAWAMURA Takeshi , ASATO Katsuo , ITO Shoichi

    … An experimental study was carried out on the combustion of ultralean-fuel/air mixture by preheating the mixture by means of a heat recirculating burner. … The combustion chamber of the burner was made of transparent glass to allow the observation of flame appearences. … A laminar, continuous flame was stabilized in the combustion chamber. …

    Transactions of the Japan Society of Mechanical Engineers. Series B. 54(505), p2575-2584, 1988-09

  • An experimental study on combustion of ultralean-fuel and air mixture by heat recirculation.  [in Japanese]

    KAWAMURA Takeshi , ASATO Katsuo , ITO Shoichi

    … An experimental study was carried out on the combustion of ultralean-fuel/air mixture by preheating the mixture by means of a heat recirculating burner. … The combustion chamber of the burner was made of transparent glass to allow the observation of flame appearences. … A laminar, continuous flame was stabilized in the combustion chamber. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 54(505), 2575-2584, 1988

    J-STAGE 

  • Experimental Studies on Ultralean Fuel Mixtures by Heat Recirculation : Flame Stability Limits and Flame Observations  [in Japanese]

    Mazaki Tamotsu , Ito Shoichi , Kawamura Takeshi

    … From the standpoint of effective use of fossil fuels, combustion of ultralean fuel gases by heat recirculating burners was discussed and the present situation of the related studies was described. … An experimental study was carried out on the ultralean fuel gas combustion by using a burner equipped with an opposing-flow type heat exchanger having two concentric circular tubes. …

    A bulletin of Daido Technical College 20, 71-80, 1984-11

Page Top