Correlation of Discharge Flow Rate in a Vessel with Pitched Blade Paddle Impeller.
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- Hiraoka Setsuro
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Tada Yutaka
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Kato Yoshihito
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Murakami Yuichiro
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Sato Yusuke
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Matsuura Akihiro
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Yamaguchi Takao
- Department of Applied Chemistry, Nagoya Institute of Technology
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説明
The discharge flow rate Qd for both paddle impeller and pitched blade paddle impeller were measured with the flow follower method. The discharge flow rate number obtained for the paddle impeller Nqd was correlated with the power number Np and the impeller dimensions, based on the correlation form derived from the angular momentum balance between the impeller tip and the vessel wall. The correlation of Nqd obtained for the paddle impeller was modified with the blade angle θ to give the correlation of Nqd for the pitched blade paddle impeller. The resultant correlations were<BR><BR>(Nqd)NB = 0.14(D/d)1/2β[(D2H/d3)Np]1/2(3.3γnp0.7bsin1.6θ/H)θ/π<BR><div align="right">for γnp0.7bsin1.6θ/H < 0.3</div><BR><BR>= 0.14(D/d)1/2β[(D2H/d3)Np]1/2<BR><div align="right">for γnp0.7bsin1.6θ/H > 0.3</div><BR><BR>for a non-baffled vessel and<BR><BR>(Nqd)B = 0.25(np0.7b/d)–1/4β[(D2H/d3)Np]1/2(2.5γnp0.7bsin1.6θ/H)θ/π<BR><BR>for a baffled vessel, respectively. These correlations reproduced not only the present experimental results but also the results measured by other investigators within ±30% experimental error.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 36 (2), 187-197, 2003
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679541441408
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- NII論文ID
- 10013412264
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DC%2BD3sXhvVOmtbg%3D
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 6452257
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- 本文言語コード
- en
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- データソース種別
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- NDLサーチ
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- 抄録ライセンスフラグ
- 使用不可
