CN116532333A - 一种风洞试验模型表面在线加热涂层及其制备方法 - Google Patents
一种风洞试验模型表面在线加热涂层及其制备方法 Download PDFInfo
- Publication number
- CN116532333A CN116532333A CN202310528038.5A CN202310528038A CN116532333A CN 116532333 A CN116532333 A CN 116532333A CN 202310528038 A CN202310528038 A CN 202310528038A CN 116532333 A CN116532333 A CN 116532333A
- Authority
- CN
- China
- Prior art keywords
- wind tunnel
- tunnel test
- heating coating
- test model
- insulating layer
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000010438 heat treatment Methods 0.000 title claims abstract description 45
- 238000000576 coating method Methods 0.000 title claims abstract description 34
- 239000011248 coating agent Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 49
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 33
- 239000003973 paint Substances 0.000 claims description 31
- 238000005507 spraying Methods 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 239000011889 copper foil Substances 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 230000000873 masking effect Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/586—No clear coat specified each layer being cured, at least partially, separately
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
本发明涉及一种风洞试验模型表面在线加热涂层及其制备方法,属于风洞试验模型技术领域。为解决现有风洞试验模型表面加热技术的不足,本发明提供了一种风洞试验模型表面在线加热涂层,由绝缘层、导电层和保护层组成,其中绝缘层的厚度为20μm,导电层的厚度为10μm,保护层的厚度为10μm。本发明提供的风洞试验模型表面在线加热涂层法实现了风洞试验模型表面实时在线、可持续、可控制、高效率的模型加热手段。在风洞试验过程中在线加热,减少了开关风洞频率,明显提高了风洞流动显示试验效率。通过控制继电器与恒压电源增大风洞试验时模型表面与流场的温度差,使得红外热图更加清晰,从而使得转捩探测结果更加准确有效。
Description
技术领域
本发明属于风洞试验模型技术领域,尤其涉及一种风洞试验模型表面在线加热涂层及其制备方法。
背景技术
民用飞机在巡航状态下摩擦阻力最高可占总阻力的一半,并且湍流区域的摩擦阻力远大于层流区域。所以扩大表面层流范围,可以大大的减小摩擦阻力从而提高经济性。
红外转捩探测技术可以通过红外热图实时、直观、准确的找出风洞试验时模型表面的转捩位置,从而有效的帮助科研人员改进外形等设计。模型表面加热是红外转捩探测研究的一项关键技术,通过对风洞试验模型表面加热,使其与低温的流场形成明显的温度差,湍流区域的换热系数远高于层流区域,湍流区域的热量快速与流场趋于平衡,从而湍流区域与层流区域形成明显的温度差。利用红外相机拍摄的热图可以清晰的观察到明暗区域的分界,该分界线就是此流场条件下模型表面的层流与湍流的分界,即转捩位置。
现阶段风洞试验模型表面加热技术存在以下的缺陷与不足:其一,模型加热多为风洞吹风前使用高功率加热灯烘烤模型表面,该方法维持模型表面温度时间短,在试验达到流场要求条件前可能热量已经流失,无法得到符合要求的温度差。其二,由于模型保留热量有限,在一次吹风后,表面热量很可能全部流失。为制造温度差,需要开启试验段,重新对模型进行加热。此种试验方法耗时多,效率低,延长了试验周期。其三,加热后的模型在吹风过程中温度会持续降低,层流与湍流的温度差越来越小,这会影响红外相机拍摄效果,造成获取转捩位置的难度加大。其四,部分风洞试验采用电加热丝粘贴在模型上进行加热,该方法的红外热图模糊不均匀,影响转捩位置的判断。
发明内容
为解决现有风洞试验模型表面加热技术的不足,本发明提供了一种风洞试验模型表面在线加热涂层及其制备方法。
本发明的技术方案:
一种风洞试验模型表面在线加热涂层,所述在线加热涂层由绝缘层、导电层和保护层组成,所述绝缘层的厚度为20μm,所述导电层的厚度为10μm,所述保护层的厚度为10μm。
进一步的,所述绝缘层为PU涂料。
进一步的,所述导电层为导电铜漆。
进一步的,所述保护层为黑色自喷漆。
一种风洞试验模型表面在线加热涂层的制备方法,包括如下步骤:
步骤一、清理风洞试验模型表面,利用光固化树脂将模型各部件连接处缝隙与钉孔填平,利用紫外灯照射光固化树脂3分钟,打磨固化后的树脂使模型表面平整光滑;
步骤二、根据试验需要划定绝缘层喷涂范围,调配PU涂料并使用气动喷枪将其均匀的喷涂到划定范围内,静置30分钟得到完全固化的绝缘层;
步骤三、将两条导电铜箔胶带沿气流来流方向平行布置到绝缘层两侧并延伸到导线连接处,其余铜导线从不影响测试区域流场部分布置延伸到导线连接处,利用电烙铁将模型表面绝缘层上布置的铜导线与延伸出的导电铜箔连接;
步骤四、利用美纹纸覆盖绝缘涂层边缘的部分范围,调配导电铜漆并将其均匀喷涂到绝缘层上,静置120分钟得到完全干燥的导电层;
步骤五、在干燥的导电层上喷涂黑色自喷漆,静置30分钟得到完全固化的保护层。
进一步的,步骤二所述划定绝缘层喷涂范围时,由试验要求拍摄矩形区域各边延长1厘米划定。
进一步的,步骤四利用美纹纸覆盖时保证两条平行导电铜箔及中间试验区域露出,其余区域与导电铜箔用美纹纸覆盖。
进一步的,利用砂纸抛光步骤五得到的在线加热涂层,在线加热涂层边界与模型光滑过渡,保护层不脱落,将继电器两端分别与所述铜导线和恒压电源相连,试验时利用电脑控制继电器开关,调节恒压电源获得理想功率。
进一步的,利用金属涂漆笔在待测区域边缘划分百分位。
本发明的有益效果:
本发明提供的风洞试验模型表面在线加热涂层及其制备方法实现了风洞试验模型表面实时在线、可持续、可控制、高效率的模型加热手段。本发明实现了风洞试验过程中的在线加热,减少了开关风洞频率,明显提高了风洞流动显示试验效率。通过控制继电器与恒压电源增大风洞试验时模型表面与流场的温度差,使得红外热图更加清晰,从而使得转捩探测结果更加准确有效。
附图说明
图1为本发明风洞试验模型表面在线加热涂层的结构示意图;
图2为本发明风洞试验模型表面在线加热涂层的试验操作示意图。
具体实施方式
下面结合实施例对本发明的技术方案做进一步的说明,但并不局限于此,凡是对本发明技术方案进行修改或者等同替换,而不脱离本发明技术方案的精神和范围,均应涵盖在本发明的保护范围中。下列实施例中未具体注明的工艺设备或装置均采用本领域内的常规设备或装置,若未特别指明,本发明实施例中所用的原料等均可市售获得;若未具体指明,本发明实施例中所用的技术手段均为本领域技术人员所熟知的常规手段。
实施例1
本实施例提供了一种风洞试验模型表面在线加热涂层及其制备方法。
本实施例在线加热涂层由绝缘层、导电层和保护层组成,其中绝缘层为PU涂料,厚度为20μm;导电层为导电铜漆,厚度为10μm;保护层为黑色自喷漆,厚度为10μm。
风洞模型表面一般为金属,绝缘层用PU涂料可使加热层与金属表面绝缘,从而避免短路。导电层使用导电铜漆目的在于通电后产生热量,从而使待测区域温度升高。保护层使用黑色自喷漆目的在于,保护加热层,并且提高整体涂层红外反射率,避免反光,使红外相机拍摄图像质量提升。
本实施例风洞试验模型表面在线加热涂层的制备方法包括如下步骤:
步骤一、清理风洞试验模型表面,利用光固化树脂将模型各部件连接处缝隙与钉孔填平,利用紫外灯照射光固化树脂3分钟,打磨固化后的树脂使模型表面平整光滑;
步骤二、根据试验需要,由试验要求拍摄矩形区域各边延长1厘米划定矩形区域为绝缘层喷涂范围,调配PU涂料并使用气动喷枪将PU涂料均匀的喷涂到划定范围内,静置30分钟得到完全固化的绝缘层;
步骤三、将两条导电铜箔胶带沿气流来流方向平行布置到矩形绝缘区域两侧,并将其延伸到导线连接处,保证导电铜箔始终在绝缘区域范围内,其余铜导线从不影响测试区域流场部分布置延伸到导线连接处,利用电烙铁将模型表面绝缘层上布置的铜导线与延伸出的导电铜箔连接;
步骤四、利用美纹纸覆盖绝缘区域部分范围,覆盖美纹纸时保证两条平行导电铜箔及中间试验区域露出,其余区域的导电铜箔用美纹纸覆盖;调配导电铜漆并将其均匀喷涂到绝缘层上,静置120分钟得到完全干燥的导电层;
步骤五、在干燥的导电层上喷涂黑色自喷漆,静置30分钟得到完全固化的保护层,用砂纸抛光所得在线加热涂层,保证加热涂层边界与模型光滑过渡,保护层不脱落。将继电器两端分别与所述铜导线和恒压电源相连,试验时利用电脑控制继电器开关,调节恒压电源获得理想功率。
试验时,在风洞吹风前打开继电器通电加热,通过红外相机观察待测区域,待温度达到要求时,关闭继电器吹风,流场达到预设条件时拍摄转捩位置。利用导线将继电器与布置电极连接;在风洞吹风前通电加热涂层,使模型待测区域温度升高;待流场达到预定值时,关闭继电器,从红外相机热图即可观察到转捩位置。
利用金属涂漆笔在待测区域边缘划分百分位的目的在于,部分待测区域为曲面,并且红外相机镜头并不一定与待测区域完全垂直,金属涂漆笔划分百分位能快速准确的反映层流与湍流的区域占比,金属漆因其红外发射率不同,在红外图像中能明显标记。
本发明提供的一种风洞试验模型表面在线加热涂层的制备方法,具体以绝缘层、加热层、保护层三层结构提供稳定、均匀的红外热图,利用继电器提供实时、可控的加热条件,继而大大提高了风洞试验效率并可以清晰准确的获取转捩位置。
Claims (9)
1.一种风洞试验模型表面在线加热涂层,其特征在于,所述在线加热涂层由绝缘层、导电层和保护层组成,所述绝缘层的厚度为20μm,所述导电层的厚度为10μm,所述保护层的厚度为10μm。
2.根据权利要求1所述一种风洞试验模型表面在线加热涂层,其特征在于,所述绝缘层为PU涂料。
3.根据权利要求1所述一种风洞试验模型表面在线加热涂层,其特征在于,所述导电层为导电铜漆。
4.根据权利要求1所述一种风洞试验模型表面在线加热涂层,其特征在于,所述保护层为黑色自喷漆。
5.一种如权利要求1-4任一所述的风洞试验模型表面在线加热涂层的制备方法,其特征在于,包括如下步骤:
步骤一、清理风洞试验模型表面,利用光固化树脂将模型各部件连接处缝隙与钉孔填平,利用紫外灯照射光固化树脂3分钟,打磨固化后的树脂使模型表面平整光滑;
步骤二、根据试验需要划定绝缘层喷涂范围,调配PU涂料并使用气动喷枪将其均匀的喷涂到划定范围内,静置30分钟得到完全固化的绝缘层;
步骤三、将两条导电铜箔胶带沿气流来流方向平行布置到绝缘层两侧并延伸到导线连接处,其余铜导线从不影响测试区域流场部分布置延伸到导线连接处,利用电烙铁将模型表面绝缘层上布置的铜导线与延伸出的导电铜箔连接;
步骤四、利用美纹纸覆盖绝缘区域部分范围,调配导电铜漆并将其均匀喷涂到绝缘层上,静置120分钟得到完全干燥的导电层;
步骤五、在干燥的导电层上喷涂黑色自喷漆,静置30分钟得到完全固化的保护层。
6.根据权利要求5所述风洞试验模型表面在线加热涂层的制备方法,其特征在于,步骤二所述划定绝缘层喷涂范围时,由试验要求拍摄矩形区域各边延长1厘米划定。
7.根据权利要求5所述风洞试验模型表面在线加热涂层的制备方法,其特征在于,步骤四覆盖美纹纸时保证两条平行导电铜箔及中间试验区域露出,其余区域的导电铜箔用美纹纸覆盖。
8.根据权利要求5所述风洞试验模型表面在线加热涂层的制备方法,其特征在于,利用砂纸抛光步骤五得到的在线加热涂层,将继电器两端分别与所述铜导线和恒压电源相连,试验时利用电脑控制继电器开关,调节恒压电源获得理想功率。
9.根据权利要求5所述风洞试验模型表面在线加热涂层的制备方法,其特征在于,利用金属涂漆笔在待测区域边缘划分百分位。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310528038.5A CN116532333A (zh) | 2023-05-11 | 2023-05-11 | 一种风洞试验模型表面在线加热涂层及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310528038.5A CN116532333A (zh) | 2023-05-11 | 2023-05-11 | 一种风洞试验模型表面在线加热涂层及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN116532333A true CN116532333A (zh) | 2023-08-04 |
Family
ID=87457404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310528038.5A Pending CN116532333A (zh) | 2023-05-11 | 2023-05-11 | 一种风洞试验模型表面在线加热涂层及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116532333A (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878980A2 (en) * | 1997-05-09 | 1998-11-18 | Sanchez Duque, David | Process to manufacture heating panels and panels obtained therefrom |
CN209945672U (zh) * | 2019-05-28 | 2020-01-14 | 中车青岛四方机车车辆股份有限公司 | 用于列车风洞试验的风挡及风挡间隙检测装置 |
CN211999542U (zh) * | 2020-03-16 | 2020-11-24 | 中南大学 | 一种动车组车载转向架防冰装置 |
-
2023
- 2023-05-11 CN CN202310528038.5A patent/CN116532333A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878980A2 (en) * | 1997-05-09 | 1998-11-18 | Sanchez Duque, David | Process to manufacture heating panels and panels obtained therefrom |
CN209945672U (zh) * | 2019-05-28 | 2020-01-14 | 中车青岛四方机车车辆股份有限公司 | 用于列车风洞试验的风挡及风挡间隙检测装置 |
CN211999542U (zh) * | 2020-03-16 | 2020-11-24 | 中南大学 | 一种动车组车载转向架防冰装置 |
Non-Patent Citations (1)
Title |
---|
王猛等: "基于在线加热涂层的宽速域转捩探测技术", 航空学报, vol. 43, no. 11, 25 November 2022 (2022-11-25), pages 526820 - 1 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5778351B2 (ja) | 電磁鋼表面に極厚絶縁塗膜を製造する方法 | |
CN116532333A (zh) | 一种风洞试验模型表面在线加热涂层及其制备方法 | |
CN104822187A (zh) | 一种挡风玻璃高效除霜雾镀膜及其制备方法和装置 | |
CN206322713U (zh) | 一种分段焊带及其制造设备 | |
Yan et al. | An OH-PDMS-modified nano-silica/carbon hybrid coating for anti-icing of insulators part ii: Anti-icing performance | |
CN202258564U (zh) | 一种用于漆包线生产的自动加漆装置 | |
CN116061459B (zh) | 一种电加热片在二次曲面铺敷的方法 | |
CN207052375U (zh) | 一种用于漆包线加工的可调节涂漆模具 | |
CN116637789B (zh) | 一种适用于复杂外形和大曲率表面风洞试验模型的电加热涂层及其制备方法 | |
CN204638405U (zh) | 一种新型的绝缘电缆内丝包覆喷涂装置 | |
US20100236771A1 (en) | Heating plate and method for manufacturing it | |
CN207120552U (zh) | 光伏卷材自动加工设备 | |
CN110446367A (zh) | 一种铝基板和柔性板高精度连续涂胶工艺 | |
CN221930179U (zh) | 一种60ty1翼轨仿形加热线圈 | |
CN210647143U (zh) | 一种喷漆房用自动烘烤装置 | |
CN204554239U (zh) | 一种长时耐温低辐射的防热套 | |
CN205723071U (zh) | 一种电力变压器降温装置 | |
CN210840105U (zh) | 一种双层电热膜电加热玻璃 | |
CN211668135U (zh) | 一种砂壁状涂料快速干燥装置 | |
CN207110288U (zh) | 一种蜂窝复合遮阳板 | |
CN219179216U (zh) | 一种热致变色涂料动态光热性能测试装置 | |
CN221354518U (zh) | 一种石墨烯自发热铝单板 | |
CN220976864U (zh) | 一种自发热装饰膜 | |
CN107263999A (zh) | 光伏卷材自动加工设备 | |
CN209744501U (zh) | 石墨烯发热地板 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |