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      油壓 管路 內에서 溫度變化에 관한 硏究 = (A) Study on the Temperature Change in Hydraulic Pipe Lines

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      https://www.riss.kr/link?id=T8318078

      • 저자
      • 발행사항

        광주 : 朝鮮大學校 大學院, 1999

      • 학위논문사항

        학위논문(석사) -- 朝鮮大學校 大學院 , 정밀기계공학과 , 1999

      • 발행연도

        1999

      • 작성언어

        한국어

      • 주제어
      • 발행국(도시)

        광주

      • 형태사항

        54 p. ; 26 cm

      • 소장기관
        • 국립경국대학교 중앙도서관 소장기관정보
        • 동아대학교 도서관 소장기관정보
        • 조선대학교 도서관 소장기관정보

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      다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

      영어
      한국어
      Flow of fluid has been studied in various fields of fluid engineering. To hydraulic engineers, the unsteady flow such as pulsation and liquid hammering in pipes has been considered as a serious trouble. So we are supposed to approach the formalized mathematical model by employing more exact momentum equation for fluid transmission lines.
      Most of recent studies for pipe line have been studied without considerations of variation of viscosity and temperature, which are the main factors of pressure loss causing the friction of fluid inside pipe line.
      But we observed that measured value of gains are reduced as temperature increased. And it was respectively observed that the measured value of gains are reduced and line width of gain is broadened out, when temperature was high in the same condition. As we confessed, pressure loss and phase delay are closely related with the length, diameter and temperature of pipe line. In addition, they are the most important factors, when we decide the momentum energy of working fluid.
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      Flow of fluid has been studied in various fields of fluid engineering. To hydraulic engineers, the unsteady flow such as pulsation and liquid hammering in pipes has been considered as a serious trouble. So we are supposed to approach the formalized ma...

      Flow of fluid has been studied in various fields of fluid engineering. To hydraulic engineers, the unsteady flow such as pulsation and liquid hammering in pipes has been considered as a serious trouble. So we are supposed to approach the formalized mathematical model by employing more exact momentum equation for fluid transmission lines.
      Most of recent studies for pipe line have been studied without considerations of variation of viscosity and temperature, which are the main factors of pressure loss causing the friction of fluid inside pipe line.
      But we observed that measured value of gains are reduced as temperature increased. And it was respectively observed that the measured value of gains are reduced and line width of gain is broadened out, when temperature was high in the same condition. As we confessed, pressure loss and phase delay are closely related with the length, diameter and temperature of pipe line. In addition, they are the most important factors, when we decide the momentum energy of working fluid.

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      목차 (Table of Contents)

      • 목차 = Ⅰ
      • ABSTRACT = Ⅷ
      • Ⅰ. 緖論 = 1
      • Ⅰ-1. 硏究의 背景과 動向 = 1
      • Ⅰ-2. 硏究의 目的 = 3
      • 목차 = Ⅰ
      • ABSTRACT = Ⅷ
      • Ⅰ. 緖論 = 1
      • Ⅰ-1. 硏究의 背景과 動向 = 1
      • Ⅰ-2. 硏究의 目的 = 3
      • Ⅱ. 理論解析 = 5
      • Ⅲ. 實驗 = 19
      • Ⅲ-1. 實驗方法 = 19
      • Ⅲ-2. 實驗 및 測定裝置 = 20
      • Ⅲ-2-1. D.C Motor 와 속도조절기 (speed controller) = 20
      • Ⅲ-2-2. Ultrasonic flowmeter = 21
      • Ⅲ-2-3. Oscilloscope = 23
      • Ⅲ-2-4. Pressure transducer = 23
      • Ⅳ. 結果 및 考察 = 27
      • Ⅴ. 結論 = 51
      • References = 52
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