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Interfacial Wave Characteristics for Countercurrent Stratified Air-Water Flow in a Horizontal Pipe

Chung, Heung-June  
  • 초록

    To experimentally investigate the several wave patterns for the horizontal countercurrent stratified air-water flow, a series of systematic experimental studies have been performed. The experiments are carried out in a horizontal pipe with 4m in length and 102mm in inner diameter. The oater and air superficial velocities vary from 0.0004 to 0.0204 and from 0 to 6m/s, respectively. The instantaneous water thickness is measured by parallel-wire conductance probes, and the wave field is recorded by high speed video camera. Also, to evaluate the wave effect on interfacial friction factor, the pressure drop is measured. Statistical data anal)sis is accomplished in order to obtain the fundamental wave parameters such as un amplitude, length and velocity, and spatial growth factor. By using these statistical parameters, the wave regime boundaries can be verified.


  • 참고문헌 (13)

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  • Chung, Heung-June (4)

    1. 1991 "핀 봉다발의 압력강하 특성 연구" Journal of the Korean Nuclear Society = 원자력학회지 23 (3): 328~339    
    2. 1992 "지지격자를 갖는 $5\times{5}$ PWR 봉다발에서의 난류유동 측정" Journal of the Korean Nuclear Society = 원자력학회지 24 (3): 263~273    
    3. 2000 "Critical Heat Flux in Uniformly Heated Vertical Annulus Under a Wide Range of Pressures 0.57 to 15.0 MPa" Journal of the Korean Nuclear Society = 원자력학회지 32 (2): 128~141    
    4. 2002 "An Experimental Study on Heat Transfer Characteristics Just Before Critical Heat Flux in Uniformly Heated Vertical Annulus Under a Wide Range of Pressures" Journal of the Korean Nuclear Society = 원자력학회지 34 (4): 269~285    
  • Chun, Se-Young (9)

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