Micro-rheological measurement device and method for measuring viscoelastic fluid
作者： Yang Hui , Sheng Xubo , Jiang Guoliang , Wang Guangbin , Yang Haima
DOI:
关键词: Diaphragm (optics) 、 Photoelectric effect 、 Optics 、 Rheology 、 Sample (graphics) 、 Materials science 、 Light scattering 、 Viscoelasticity 、 Laser 、 Detector
摘要: The invention relates to a micro-rheological measurement device and method for measuring viscoelastic fluid. comprises laser device, beam expander, variable diaphragm, sample tank, an optical fiber probe, photoelectric detector, digital correlator computer, wherein emitted by the sequentially passes through expander diaphragm be illuminated fluid in tank; rear end of tank is used placing detector collecting scattered light; probe connected with strength calculating self-correlation function computer coefficient according light strength. According method, problem that needs diluted previous single scattering pattern technology solved; provides which do not need dilute detected can directly
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