IMECH-IR  > 高温气体动力学国家重点实验室
Construction of bi-layer biluminophore fast-responding pressure sensitive coating for non-contact unsteady aerodynamic testing
Yang D1; Ren JK2; Li JW(栗继伟)3; Wang QL1; Wang Q(汪球)3; Xie Z2; Qu XZ1
Corresponding AuthorWang, Qiu() ; Xie, Zheng(zhengxie@mail.ipc.ac.cn) ; Qu, Xiaozhong(quxz@iccas.ac.cn)
Source PublicationPOLYMER TESTING
2019-08-01
Volume77Pages:8
ISSN0142-9418
AbstractHerein we report on a biluminophore fast-responding pressure sensitive coating with a bi-layer structure prepared by a non-sensitive reference base paint and subsequently a classic polymer-ceramic pressure sensitive paint (PSP). The coating procedure is fully sprayable and allows the separation of the two luminophores in each layer to prevent their interference that may affect the pressure responsibility. The major advance is the use of solgel process of tetraethoxysilane (TEOS) and methyltriethoxysilane (MTES) to make the bottom reference layer which ensures the spreading and affinity of the top PSP, composed of a room-temperature vulcanizing silicone rubber (RTV), so that very thin PSP layer, i.e. less than 5 mu m was achieved. Besides, silane-functionalized carbon dots (CDs) was selected as the reference probe, for it could be well-incorporated with the TEOS/MTES matrix, and gained high loading level and hence strong luminescence of the basecoat to overcome the attenuation effect of the top PSP layer. The resultant biluminophore bi-layer fast-responding PSP (denoted as Fast bi-PSP) showed two completed separated emissions with lambda(max) at 430 and 600 nm for the incorporated CDs and the oxygen sensitive ruthenium complex dye, which enables the utility of intensity ratio from blue and red luminescence for the measurement of surface pressure by following Stern-Volmer relationship. Using a shock tube, the response time of the Fast bi-PSP coating was determined to be 0.4-0.6 ms according to the chemical composition. The ability of the coating for monitoring the dynamic evolution of full-field surface pressure was demonstrated on sample plates at attack angles of 0 degrees and 5 degrees. Our work suggests a facile but efficient way for the future design of self-referenced photoluminescent non-contact surface pressure sensing systems.
KeywordPressure sensitive paint (PSP) Bi-layer structured coating Fast-response Self-referenced measurement
DOI10.1016/j.polymertesting.2019.105922
Indexed BySCI ; EI
Language英语
WOS IDWOS:000487002700057
WOS KeywordPOLYMER MATRIX ; CARBON DOTS ; PAINT ; SENSOR ; OXYGEN ; LUMINOPHORE ; WHITE
WOS Research AreaMaterials Science ; Polymer Science
WOS SubjectMaterials Science, Characterization & Testing ; Polymer Science
Funding ProjectChinese Academy of Sciences[CXJJ-15M060] ; National Natural Science Foundation of China[21875267] ; National Natural Science Foundation of China[51561145004]
Funding OrganizationChinese Academy of Sciences ; National Natural Science Foundation of China
Classification二类/Q1
Ranking1
ContributorWang, Qiu ; Xie, Zheng ; Qu, Xiaozhong
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/80622
Collection高温气体动力学国家重点实验室
Affiliation1.Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China;
2.Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China;
3.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang D,Ren JK,Li JW,et al. Construction of bi-layer biluminophore fast-responding pressure sensitive coating for non-contact unsteady aerodynamic testing[J]. POLYMER TESTING,2019,77:8.
APA Yang D.,Ren JK.,栗继伟.,Wang QL.,汪球.,...&Qu XZ.(2019).Construction of bi-layer biluminophore fast-responding pressure sensitive coating for non-contact unsteady aerodynamic testing.POLYMER TESTING,77,8.
MLA Yang D,et al."Construction of bi-layer biluminophore fast-responding pressure sensitive coating for non-contact unsteady aerodynamic testing".POLYMER TESTING 77(2019):8.
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