JP4523014B2 - 大型低温風洞空気冷却器のデフロスト方式 - Google Patents
大型低温風洞空気冷却器のデフロスト方式 Download PDFInfo
- Publication number
- JP4523014B2 JP4523014B2 JP2007111157A JP2007111157A JP4523014B2 JP 4523014 B2 JP4523014 B2 JP 4523014B2 JP 2007111157 A JP2007111157 A JP 2007111157A JP 2007111157 A JP2007111157 A JP 2007111157A JP 4523014 B2 JP4523014 B2 JP 4523014B2
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- Prior art keywords
- defrosting
- cooling coil
- wind tunnel
- heating
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001816 cooling Methods 0.000 claims description 71
- 239000007788 liquid Substances 0.000 claims description 64
- 238000010438 heat treatment Methods 0.000 claims description 59
- 238000010257 thawing Methods 0.000 claims description 54
- 239000003507 refrigerant Substances 0.000 claims description 43
- 239000000110 cooling liquid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Defrosting Systems (AREA)
Description
2 送風機
3 冷却コイル
3a 冷媒往管
3b 冷媒復管
4 加熱用電気ヒータ(加熱用ヒータ)
5 送気ダクト
6 試験室
7 受液器
8 液ポンプ
9 冷媒液
10 冷媒ガス管路
11 冷房回路
12 冷媒液管路
13 加熱用電源
14 除霜用電気ヒータ(除霜用加熱手段)
S1 開閉スイッチ
S2 切換スイッチ
Claims (2)
- 低圧の冷媒液を貯蔵する受液器と、該受液器に貯蔵された前記低圧の冷媒液を送る液ポンプと、風洞内に設置され前記液ポンプで送られた低圧の冷媒液を蒸発させて前記風洞内に流される空気を冷却する冷却コイルと、前記風洞から流される空気を加熱する加熱用ヒータとを備え、該加熱用ヒータ及び前記冷却コイルで所要の高低温状態に調温された空気を供試体について前記所要の高低温状態の試験を行う試験室に送り込む調温系における前記冷却コイルの霜取りを行う大型低温風洞空気冷却器のデフロスト方式であって、
前記液ポンプからの冷媒液を除霜用加熱手段で所要温度に加温して前記冷却コイルに送ることにより該冷却コイルの霜取りを行うことを特徴とする大型低温風洞空気冷却器のデフロスト方式。 - 上記空気を加熱する加熱用ヒータは加熱用電源からの電力で稼働する加熱用電気ヒータであり、上記冷媒液を加温する除霜用加熱手段は除霜用電気ヒータであり、上記冷却コイルの霜取り時には、前記加熱用電源を前記除霜用電気ヒータ側に切換えて該除霜用電気ヒータを稼働させ、前記冷媒液を加温することを特徴とする請求項1記載の大型低温風洞空気冷却器のデフロスト方式。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007111157A JP4523014B2 (ja) | 2007-04-20 | 2007-04-20 | 大型低温風洞空気冷却器のデフロスト方式 |
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JP2007111157A JP4523014B2 (ja) | 2007-04-20 | 2007-04-20 | 大型低温風洞空気冷却器のデフロスト方式 |
Publications (2)
Publication Number | Publication Date |
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JP2008267976A JP2008267976A (ja) | 2008-11-06 |
JP4523014B2 true JP4523014B2 (ja) | 2010-08-11 |
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JP2007111157A Active JP4523014B2 (ja) | 2007-04-20 | 2007-04-20 | 大型低温風洞空気冷却器のデフロスト方式 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105675249B (zh) * | 2016-03-28 | 2018-06-19 | 北京航天长征飞行器研究所 | 一种用于运动平台热防护稳定供水的滑动伸缩装置 |
JP2019132820A (ja) * | 2018-01-26 | 2019-08-08 | 三菱重工冷熱株式会社 | 無響室 |
CN114061888B (zh) * | 2020-08-03 | 2024-03-01 | 中国科学院西北生态环境资源研究院 | 低温低压风沙环境风洞系统 |
CN114326849B (zh) * | 2021-12-30 | 2022-07-08 | 中国汽车工程研究院股份有限公司 | 用于汽车环境风洞的温度控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56148038A (en) * | 1980-04-21 | 1981-11-17 | Takasago Thermal Eng Co Lts | Low-temperature environmental laboratory equipment |
JPH0320578A (ja) * | 1989-06-16 | 1991-01-29 | Toyo Eng Works Ltd | 冷凍装置 |
JP2000130818A (ja) * | 1998-10-30 | 2000-05-12 | Toyo Eng Works Ltd | 空気調和装置 |
JP2006343238A (ja) * | 2005-06-09 | 2006-12-21 | Toyo Eng Works Ltd | 環境試験装置 |
-
2007
- 2007-04-20 JP JP2007111157A patent/JP4523014B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56148038A (en) * | 1980-04-21 | 1981-11-17 | Takasago Thermal Eng Co Lts | Low-temperature environmental laboratory equipment |
JPH0320578A (ja) * | 1989-06-16 | 1991-01-29 | Toyo Eng Works Ltd | 冷凍装置 |
JP2000130818A (ja) * | 1998-10-30 | 2000-05-12 | Toyo Eng Works Ltd | 空気調和装置 |
JP2006343238A (ja) * | 2005-06-09 | 2006-12-21 | Toyo Eng Works Ltd | 環境試験装置 |
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JP2008267976A (ja) | 2008-11-06 |
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