Combination of PIV and PLIF methods to study convective heat transfer in an impinging jet

Nebuchinov, A. S.; Lozhkin, Yuriy; Bilsky, A. V.; Маркович, Д. М.

doi:10.1016/j.expthermflusci.2016.08.009

Cited by 43 publications

(11 citation statements)

References 22 publications

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“…1 3 simultaneous measurements of gas phase temperature and velocity, several laser-diagnostic approaches have been proposed. A simultaneous use of particle image velocimetry (PIV) and filtered Rayleigh scattering (FRS) thermometry was previously demonstrated (Most et al 2002), as well as a combination of PIV with laser-induced fluorescence (LIF) thermometry (Nebuchinov et al 2017). Another approach consists in applying PIV along with laser-induced phosphorescence (LIP) as presented by Lee et al (2016), Stephan et al (2016), Fond et al (2012), and Schreivogel et al (2016).…”

Section: Introductionmentioning

confidence: 99%

Application of structured illumination to gas phase thermometry using thermographic phosphor particles: a study for averaged imaging

et al. 2017

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Section: Introductionmentioning

confidence: 99%

Application of structured illumination to gas phase thermometry using thermographic phosphor particles: a study for averaged imaging

et al. 2017

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“…Small droplets and thin films of the liquid ensure comparatively high rates of evaporation on heated surfaces, which provides effective heat removal from heated articles [1,2]. Spray and film evaporation is used to intensify heat transfer from a heated wall [3,4]. High wall temperatures lead to a heat transfer crisis [5,6].…”

Section: Introductionmentioning

confidence: 99%

Evaporation of a Droplet of a Heated Colloid Solution on a Horizontal Structured Wall

Misyura

Bilsky

Морозов

et al. 2021

J. Engin. Thermophys.

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Evaporation of a heated droplet of a colloid solution on structured surfaces is studied experimentally. Microscopic particles of TiO 2 are added to water. The wettability of the structured surfaces varies in a wide range of the static contact angle of the droplet. Free convection in the droplet on the textured wall is compared with convection on a smooth surface. The textured wall alters both the wettability and the mean rate of convection in the liquid. Experiments aimed at studying the formation of a stable cluster of microparticles are performed on a textured surface made by means of 3D printing. The cluster is formed in the region of local heating of the droplet and consists of hexagonal cells.

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“…A study of vaporization of two-component liquids is the most suitable, because such an approach will allow focusing on the main physical patterns in detail. It is of great interest to record non-stationary temperature fields during the intensive heating succeeded by the boiling and explosive breakup of two-component liquid droplets (Volkov et al, 2014;Kuznetsov et al, 2016;Nebuchinov et al, 2017). Study (Nebuchinov et al, 2017) considers a hypothesis that water may overheat significantly, reaching the values above the water-boiling temperature in the presence of solid particles in heterogeneous droplets.…”

Section: Introductionmentioning

confidence: 99%

“…It is of great interest to record non-stationary temperature fields during the intensive heating succeeded by the boiling and explosive breakup of two-component liquid droplets (Volkov et al, 2014;Kuznetsov et al, 2016;Nebuchinov et al, 2017). Study (Nebuchinov et al, 2017) considers a hypothesis that water may overheat significantly, reaching the values above the water-boiling temperature in the presence of solid particles in heterogeneous droplets. These conditions enable observing the considerable droplet surface deformation followed by their disintegration to produce a cloud of much smaller droplets than the initial ones.…”

Section: Introductionmentioning

confidence: 99%

“…Recent years have seen the development of optical methods for high-speed measurement of the key parameters of gaseous, fluid, and heterogeneous media, such as temperature, speed, consumption, particle size, concentration, etc. The contactless method planar laser-induced fluorescence (PLIF) (Nebuchinov et al, 2017;Strizhak et al, 2017;Volkov and Strizhak, 2017;Piskunov and Strizhak, 2018) is the method of choice to study non-stationary temperature fields of evaporating heterogeneous (including multi-component) droplets. Experimental results (Nebuchinov et al, 2017;Strizhak et al, 2017;Volkov and Strizhak, 2017;Piskunov and Strizhak, 2018) with the multicomponent droplets are discussed in point of the transition time of the temperature field of such droplets from the non-uniform one to the quasi-steady one.…”

Section: Introductionmentioning

confidence: 99%

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Using Planar Laser-Induced Fluorescence to Study the Phase Transformations of Two-Component Liquid and Suspension Droplets

Волков

Кузнецов

2018

Interfac Phenom Heat Transfer

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Using the planar laser-induced fluorescence (PLIF), we performed experiments to determine evaporation dynamics of homogeneous and heterogeneous droplets of liquids, conditions of their boiling, and explosive breakup. For the 1-2 mm water droplets, the distribution of highly non-homogeneous and non-steady temperature field was detected by highspeed cross-correlation video recording and the Tema Automotive software. We identified highly nonlinear dependences of evaporation rate on heating temperature and time as well as water droplet size. For the two-component liquids and water-based suspensions of graphite, we revealed unsteady temperature fields and established mechanisms and regimes of the explosive breakup of the heterogeneous droplets when heated. The regimes differ in the number and dimensions of the emerging gas-liquid fragments as well as the durations of the main stages. The three regimes of warming-up and evaporation of the heterogeneous droplets have been obtained. The explosive breakup of droplets enables provision for the secondary atomization of the liquid with the emergence of an aerosol cloud. The surface area of the liquid increases several-fold. The temperature variations at the water/solid or water/flammable component interfaces were determined corresponding to each boiling and breakup regime. Using the PLIF, we studied reasons and mechanism of the explosive breakup of water droplets with single large carbonaceous inclusions when heated.

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Combination of PIV and PLIF methods to study convective heat transfer in an impinging jet

Cited by 43 publications

References 22 publications

Application of structured illumination to gas phase thermometry using thermographic phosphor particles: a study for averaged imaging

Application of structured illumination to gas phase thermometry using thermographic phosphor particles: a study for averaged imaging

Evaporation of a Droplet of a Heated Colloid Solution on a Horizontal Structured Wall

Using Planar Laser-Induced Fluorescence to Study the Phase Transformations of Two-Component Liquid and Suspension Droplets

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