先端可視化 : Temperature Sensitive Particles  [in Japanese] Advanced Heat and Flow Visualization : Temperature Sensitive Particles  [in Japanese]

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Abstract

  蛍光体と1台の高速度カメラ, 単パルスレーザーを用いて, エンジン/RCEM内壁の温度分布を測定した. また, オイル流れ, 筒内気体流れの温度速度分布を測定した. 壁面計測では火炎の存在しない条件, 火炎が存在する条件のそれぞれについて計測を行った. 測定した壁面温度は, クランク角の変化に応じて変化した. <br>  蛍光体粒子を筒内ガスに分散させ, 一度の励起の後に徐々に暗くなりながら僅かに移動する粒子の変位から速度を算出し, 燐光寿命からガス温度を求めた. 壁面温度同様, 断熱膨張を仮定して筒内圧から求めた温度の変化と定性的に良く一致した.

  The instantaneous wall temperature was measured in an RCEM/engine cylinder, with or without the fire, by the phosphor thermometry. The measured wall temperature and its distribution had good correlation with a change of calculated gas temperature from the pressure. <br>  An oil flow and a gaseous flow in the cylinder were measured using a high speed camera, a single-pulsed UV laser and temperature sensitive phosphor particles. The temperature was calculated from the lifetime and the velocity was obtained from the phosphor particle images during a single decay. The temperature changes dependently on the crank angle agreed qualitatively with the gas temperature estimated from the pressure.

Journal

  • Journal of the Visualization Society of Japan

    Journal of the Visualization Society of Japan 32(125), 58-63, 2012-04-01

    The Visualization Society of Japan

References:  13

Codes

  • NII Article ID (NAID)
    10030513265
  • NII NACSIS-CAT ID (NCID)
    AN10374478
  • Text Lang
    JPN
  • Article Type
    REV
  • ISSN
    09164731
  • NDL Article ID
    023646324
  • NDL Call No.
    Z15-431
  • Data Source
    CJP  NDL  J-STAGE 
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