A Study on Blast Cleaning of a U-Shaped Heat Transfer Tube (1st Report,Visualization of Plastic Particle Flows and Cleaning Distribution)

Material type: 文書・図像類

Author: 太田, 淳一ほか

Publisher: 日本機械学会

Publication date: 2004-05

Material Format: Digital

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Note (General)：: Efficient techniques for cleaning scale in a U-tube of a heat exchanger are desired. Blast cleaning test was carried out using a real size U-tube of 1...

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Material Type: 文書・図像類
Title: A Study on Blast Cleaning of a U-Shaped Heat Transfer Tube (1st Report,Visualization of Plastic Particle Flows and Cleaning Distribution)
Author/Editor: 太田, 淳一
門谷, 光人
黒瀬, 直樹
村井, 祐一
山本, 富士夫
OHTA, Junichi
MONTANI, Mitsuto
KUROSE, Naoki
MURAI, Yuichi
YAMAMOTO, Fujio
Author Heading: 太田, 淳一
門谷, 光人
黒瀬, 直樹
村井, 祐一
山本, 富士夫
OHTA, Junichi
MONTANI, Mitsuto
KUROSE, Naoki
MURAI, Yuichi
YAMAMOTO, Fujio
Publication, Distribution, etc.: 日本機械学会
Publication Date: 2004-05
Publication Date (W3CDTF): 2004-05
Alternative Title: U字型伝熱管内壁面のブラスト洗浄に関する研究(第1報,プラスチック粒子流れの可視化と洗浄分布)
Periodical title: 日本機械学会論文集. B編
No. or year of volume/issue: 70 693
Volume: 70
Issue: 693
Pages: 1201-1207
Text Language Code: eng
Subject Heading: Blast Cleaning
Multiphase Flow
Flow Visualization
Abrasion
Target Audience: 一般
Note (General): Efficient techniques for cleaning scale in a U-tube of a heat exchanger are desired. Blast cleaning test was carried out using a real size U-tube of 13.5mm in diameter,8m of straight tube length,and 0.3m in radius of curvature. A combination of plastic particles and glass beads was selected for the blasting media. Swirl motion was added to the blasting media flow. The plastic particle-air two-phase flow with swirl motion in the tube was visualized. The loading ranged from 3.7 to 5.3. The estimated Stokes number was 1700 for the plastic-air two-phase flow. It was observed that just downstream of the bend,flow particle clusters repeatedly each other alternatingly located on the upper and lower sides of the tube. In the repeated blast cleaning experiments,it was found that the same characterstic large-scale cleaning distribution occured along the tube.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=22224&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=22224&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Rights (production): 〓 2004 日本機械学会
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ