JPS6189683U - - Google Patents
Info
- Publication number
- JPS6189683U JPS6189683U JP17065284U JP17065284U JPS6189683U JP S6189683 U JPS6189683 U JP S6189683U JP 17065284 U JP17065284 U JP 17065284U JP 17065284 U JP17065284 U JP 17065284U JP S6189683 U JPS6189683 U JP S6189683U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- spiral
- concave
- spiral grooves
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
第１図は本考案の伝熱管の一実施例を示す一部
断面全体構成図、第２図は第１図の一部拡大断面
図、第３図は管外水速と管外表面積基準の熱通過
率との関係線図、第４図は冷媒循環量と管外表面
積基準の熱通過率との関係線図、第５図は冷媒循
環量と圧力損失との関係線図、第６図は本考案の
他の実施例を示す第２図に相当する一部拡大断面
図、第７図は本考案のさらに他の実施例を示す第
１図に相当する一部断面全体構成図、第８図は従
来の伝熱管の一部断面全体構成図である。
１…伝熱管、２…外側のらせん状凸部、３…外
側のらせん状凹部、４…らせん状溝、５…らせん
状隆起、６…内面らせん状凸部、７…内面らせん
状凹部。
Fig. 1 is a partially cross-sectional overall configuration diagram showing an embodiment of the heat transfer tube of the present invention, Fig. 2 is a partially enlarged sectional view of Fig. 1, and Fig. 3 is a diagram showing the relationship between the water velocity outside the tube and the surface area outside the tube. Figure 4 is a diagram of the relationship between the amount of refrigerant circulated and the heat passage rate based on the outside surface area of the tube. Figure 5 is a diagram of the relationship between the amount of refrigerant circulated and pressure loss. 7 is a partially enlarged sectional view corresponding to FIG. 2 showing another embodiment of the present invention, FIG. 7 is a partially sectional overall configuration diagram corresponding to FIG. 1 showing still another embodiment of the present invention, and FIG. FIG. 8 is a partially cross-sectional overall configuration diagram of a conventional heat exchanger tube. DESCRIPTION OF SYMBOLS 1... Heat exchanger tube, 2... Outer spiral convex part, 3... Outer spiral recess, 4... Spiral groove, 5... Spiral protuberance, 6... Inner spiral protrusion, 7... Inner spiral recess.
Claims (1)
気を凝縮または液を蒸発させる伝熱管において、
管内面に連続する微細ならせん状溝群および該ら
せん状溝群によつて隔てられたらせん状隆起群と
を交互に設け、前記らせん状溝群とらせん状隆起
群と交わり、かつ、管軸に対して同一方向のねじ
れ角を有するらせん状凸部および凹部を有し、該
らせん状凸部の管内側での曲率が前記らせん状凹
部の管内側での曲率よりも小さく、さらに、前記
らせん状凸部および凹部に対応して管外側にらせ
ん状凹凸部を有することを特徴とする伝熱管。 In heat transfer tubes that allow steam or liquid to flow through the tube and condense the steam or evaporate the liquid on the inner surface of the tube,
Continuous fine spiral grooves and spiral ridges separated by the spiral grooves are provided alternately on the inner surface of the tube, and the spiral grooves intersect with the spiral ridges, and the tube axis a helical convex portion and a concave portion having a twist angle in the same direction with respect to 1. A heat exchanger tube characterized in that it has a spiral concave and convex portion on the outside of the tube corresponding to the convex and concave portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17065284U JPS6189683U (en) | 1984-11-09 | 1984-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17065284U JPS6189683U (en) | 1984-11-09 | 1984-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6189683U true JPS6189683U (en) | 1986-06-11 |
Family
ID=30728361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17065284U Pending JPS6189683U (en) | 1984-11-09 | 1984-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6189683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273972A (en) * | 1988-04-25 | 1989-11-01 | Sanyo Electric Co Ltd | Evaporator |
| JP2014228181A (en) * | 2013-05-21 | 2014-12-08 | 株式会社アタゴ製作所 | Heat exchanger |
-
1984
- 1984-11-09 JP JP17065284U patent/JPS6189683U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273972A (en) * | 1988-04-25 | 1989-11-01 | Sanyo Electric Co Ltd | Evaporator |
| JP2014228181A (en) * | 2013-05-21 | 2014-12-08 | 株式会社アタゴ製作所 | Heat exchanger |
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