Relevant bibliographies by topics / Phase Doppler Particle Analyser (PDPA)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Phase Doppler Particle Analyser (PDPA)'

Author: Grafiati
Published: 29 March 2025

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Journal articles on the topic "Phase Doppler Particle Analyser (PDPA)"

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Mallik, Arnab Kumar, Tushar Pratim Sarma, Aritras Roy, Mahesh V. Panchagnula, and Satyanarayanan Seshadri. "PHASE DOPPLER PARTICLE ANALYSER (PDPA) CHARACTERIZATION AND MODELING OF SPRAYS FROM ORTHOGONALLY INTERACTING WATER AND AIR JETS." Journal of Flow Visualization and Image Processing 27, no. 2 (2020): 199–217. http://dx.doi.org/10.1615/jflowvisimageproc.2020031030.

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Lee, Seong W., Hu J. Cui, and Yan H. Huang. "Particle Characteristics and Analysis Using the Laser-Based Phase Doppler Particle Analyzer (PDPA) and Statistical Method." Particulate Science and Technology 27, no. 3 (2009): 263–70. http://dx.doi.org/10.1080/02726350902922002.

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Lee, Seong W., Hu J. Cui, and Yan H. Huang. "Particle Characteristics and Analysis Using a Laser-Based Phase Doppler Particle Analyzer (PDPA) and Statistical Method." Particulate Science and Technology 27, no. 6 (2009): 553–61. http://dx.doi.org/10.1080/02726350903328845.

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Xu, Li. "Experimental Investigation on Atomization Characteristics of a Certain Type of Aero Engine Fuel Nozzle." Advanced Materials Research 354-355 (October 2011): 468–71. http://dx.doi.org/10.4028/www.scientific.net/amr.354-355.468.

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The atomization characteristics of a certain type of aero engine fuel nozzle are discussed in this paper. The nozzle atomization characteristics have great influence on the combustion efficiency, ignition, outlet temperature field and pollution emissions. The flow characteristics, atomization particle size and distribution under different working conditions are obtained in this paper through the Phase Doppler particle analyzer and laser Doppler velocity system (PDPA / LDV). The test results show that to the dual pressure atomization nozzle, the flow rate range is wide and droplets size decreas
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Wei, Xianggeng, Yiming Feng, Jinying Ye, Na Li, and Oskar J. Haidn. "Influence of Mass Flow Rate on the Atomization Characteristics of Screw Conveyor Swirl Injectors." Aerospace 9, no. 6 (2022): 293. http://dx.doi.org/10.3390/aerospace9060293.

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This study conducted cold flow experimental research on the influence of mass flow rate on the atomization characteristics of screw conveyer swirl injectors in an opening environment. The Phase Doppler Particle Analyzer (PDPA) and high-speed photography were utilized to obtain experimental data. The results showed that the mass flow rate greatly influenced the atomization establishment and working characteristics of the injectors. The design point selection of the injectors exerted significant influence on the flow range and the performances of the injectors in a steady-state operation. The Sa
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Tamhane, T. V., J. B. Joshi, Kamachi Mudali, R. Natarajan, and R. N. Patil. "Measurement of drop size characteristics in annular centrifugal extractors using phase Doppler particle analyzer (PDPA)." Chemical Engineering Research and Design 90, no. 8 (2012): 985–97. http://dx.doi.org/10.1016/j.cherd.2011.11.007.

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Wang, Junpeng, Cuicui Xu, Gang Zhou, and Yansong Zhang. "Spray Structure and Characteristics of a Pressure-Swirl Dust Suppression Nozzle Using a Phase Doppler Particle Analyze." Processes 8, no. 9 (2020): 1127. http://dx.doi.org/10.3390/pr8091127.

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In order to understand the characteristics of the spray field of a dust suppression nozzle and provide a reference for dust nozzle selection according to dust characteristics, a three-dimensional phase Doppler particle analyzer (PDPA) spray measurement system is used to analyze the droplet size and velocity characteristics in a spray field, particularly the joint particle size–velocity distribution. According to the results, after the ejection of the jet from the nozzle, the droplets initially maintained some velocity; however, the distribution of particles with different sizes was not uniform
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Bae, Ho Seuk, Won-Ki Kim, Su-Uk Son, Woo-Shik Kim, and Joung-Soo Park. "An Estimation of the Backscattering Strength of Artificial Bubbles Using an Acoustic Doppler Current Profiler." Sensors 22, no. 5 (2022): 1812. http://dx.doi.org/10.3390/s22051812.

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Acoustic Doppler current profilers (ADCPs) were developed to acquire water current velocities, as well as depth-dependent echo intensities. As the backscattering strength of an underwater object can be estimated from the measured echo intensity, the ADCP can be used to estimate plankton populations and distributions. In this study, the backscattering strength of bubble clusters in a water tank was estimated using the commercial ADCP as a proof-of-concept. Specifically, the temporal variations in the backscattering strength and the duration of bubble existence were quantitatively evaluated. Add
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Zhang, Qing, Bo Yu, and Yu Liu. "Experimental Study on the Separation Performance of Combined Gas-Liquid Separator." Applied Mechanics and Materials 685 (October 2014): 127–32. http://dx.doi.org/10.4028/www.scientific.net/amm.685.127.

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In order to evaluate the separation efficiency of each module in this type of novel combined separator, by PDPA(Phase Doppler Particle Analyzer) we find that under different conditions in 6 combinations, combination 6 (including cyclone + stabilizer + blade+ baffler) has the highest separation efficiency, and there are relatively efficiency valley region in all the 6 combinations. Under the same conditions, the average separation efficiency of the baffler is higher than the blade, and then the blade and baffler have their own advantages in different flowrate. To use stabilizer can effectively
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Tolpadi, A. K., D. L. Burrus, and R. J. Lawson. "Numerical Computation and Validation of Two-Phase Flow Downstream of a Gas Turbine Combustor Dome Swirl Cup." Journal of Engineering for Gas Turbines and Power 117, no. 4 (1995): 704–12. http://dx.doi.org/10.1115/1.2815456.

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The two-phase axisymmetric flow field downstream of the swirl cup of an advanced gas turbine combustor is studied numerically and validated against experimental Phase-Doppler Particle Analyzer (PDPA) data. The swirl cup analyzed is that of a single annular GE/SNECMA CFM56 turbofan engine that is comprised of a pair of coaxial counterswirling air streams together with a fuel atomizer. The atomized fuel mixes with the swirling air stream, resulting in the establishment of a complex two-phase flow field within the swirl chamber. The analysis procedure involves the solution of the gas phase equati
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Dissertations / Theses on the topic "Phase Doppler Particle Analyser (PDPA)"

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FLOHRE, NICHOLAS MATTHEW. "EXPERIMENTAL INVESTIGATION OF SPRAY ATOMIZATION PROPERTIES OF AN AIRCRAFT ENGINE SWIRL CUP." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1054322000.

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Vince, Maxence. "Analyses in situ et approche paramétrique du procédé Spray Flash Evaporation pour l’élaboration d’hexolites." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAE018.

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Les nanodiamants (NDs) font l'objet de recherches intenses dans les domaines biomédical, militaire et de la mécanique quantique. Pour produire ces NDs, le recours à la détonation d'un mélange RDX/TNT, aussi appelé hexolite, est souvent préféré. Cependant, pour produire des NDs aux propriétés physico-chimiques performantes, il est nécessaire d’avoir au préalable des particules fines d’hexolites, et des mélanges intimes et homogènes. Pour parvenir à cela, le laboratoire NS3E a développé le procédé de recristallisation par évaporation flash de spray (Spray Flash Evaporation, SFE). Cependant, l'in
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Milea, Andrei-Silviu. "Experimental investigation of innovative Low NOx / low soot injection systems for spinning combustiοn technology using advanced laser diagnostics". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR43.

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Les effets anthropogéniques sur l’environnement posent un défi majeur pour l’industrie aéronautique. Des réglementations de plus en plus strictes et la nécessité de rendre le transport aérien durable orientent les recherches actuelles vers des systèmes propulsifs innovants. Dans ce contexte, Safran Helicopter Engines développe sa technologie brevetée de combustion giratoire (SCT), visant à améliorer les performances des moteurs d’hélicoptères. Déjà implémentée sur le moteur Arrano, cette technologie est davantage optimisée pour réduire significativement les émissions de NOx et de suies. Dans l
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Book chapters on the topic "Phase Doppler Particle Analyser (PDPA)"

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Guiraud, P., J. Costes, J. Bertrand, and J. Bousquet. "Local Measurements of Liquid and Solid Velocities and of Particle Sizes in Stirred Suspensions with a Phase Doppler Particle Analyser." In Fluid Mechanics and Its Applications. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7973-5_17.

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Conference papers on the topic "Phase Doppler Particle Analyser (PDPA)"

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Van Den Moortel, T., R. Santini, and L. Tadrist. "Measurement of Local Mass Flux in a Circulating Fluidized Bed Using a Phase Doppler Particle Analyzer: A New Post-Processing Data Algorithm." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0117.

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Abstract This study focused on the measurement of solid mass flux in the riser of a CFB cold pilot. The investigations were carried out using a Phase Doppler Particle Analyzer (PDPA). Inconsistencies in PDPA results were observed when investigating flows with high particle densities. It appears that the performance of the measuring technique was affected by the optical thickness of the measured medium, thus producing substantial overestimation of the global solid phase quantity (e.g., solid mass flux). To determine the origin of these inconsistencies, the measuring system was subjected to comp
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Ditch, Benjamin, and Hong-Zeng Yu. "Characterization of Water Mist Sprays Using a Phase-Doppler-Particle-Analyzer and an Iso-Kinetic Sampling Probe." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56893.

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A Phase-Doppler-Particle-Analyzer (PDPA) was used to screen candidate water mist nozzles for use in a scaling validation aimed to allow scaled-down testing of water mist systems. A custom-designed iso-kinetic sampling probe (IKSP) was developed to independently measure water mist fluxes at the same locations where PDPA measurements were made. Measurements were taken at two elevations in selected full-cone water mist sprays. The water drop size was found to increase with radial distance from the spray centerline, while the mean drop velocity and drop concentration decrease with radial distance.
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Rudoff, R. C., William D. Bachalo, and Rudolf J. Schick. "CHARACTERIZATION OF LARGE VOLUME TWO FLUID NOZZLES USING AEROMETRICS PHASE DOPPLER PARTICLE ANALYZER (PDPA)." In ICLASS 94. Begellhouse, 2023. http://dx.doi.org/10.1615/iclass-94.840.

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Simmons, Benjamin M., Heena V. Panchasara, and Ajay K. Agrawal. "A Comparison of Air-Blast and Flow-Blurring Injectors Using Phase Doppler Particle Analyzer Technique." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-60239.

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Recent research on biofuels for power generation has typically focused on biodiesel because the biodiesel feedstrock, e.g., vegetable oil, poses significant combustion problems related to poor atomization. Existing injectors cannot effectively atomize high viscosity fuels such as vegetable oil. However, a new, novel flow-blurring (FB) injector concept has shown promise in overcoming the atomization problems. In this study, a FB injector is compared to a commercial air-blast (AB) injector operated with water at ambient conditions of temperature and pressure. Laser sheet visualization and Phase
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Larsen, Kyle, Hessam Gharavi, Robert Gerlick, and Heechang Bae. "Investigation of Velocity and Drag With Spherical and Non-Spherical Particles." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95749.

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Abstract Numerous practical applications exist where dispersed solid particles are transported within a turbulent accelerating or deceleration gaseous flow. The large density variation between phases creates the potential for significant differences in velocity known as slip. Flow over a backward facing step provides a well characterized, turbulent, decelerating flow useful for measuring the relative velocities of the solid and gaseous phases in order to determine velocity slip and particle drag. Numerous investigations have been conducted to determine the gas phase velocity in a backward faci
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Huang, Ker-Jer, Alex C. Chen, and Jing-Tang Yang. "Microfabrication and Laser Diagnosis of Pressure-Swirl Atomizers." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41361.

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In this work we used deep-molding manufacture of three kinds to fabricate micro pressure-swirl atomizers to promote their performance, and a Phase Doppler Particle Analyzer (PDPA) to measure the characteristic distributions of the spray flow field of these atomizers. The deep-molding techniques were X-ray LIGA process, ICP-LIGA process (inductive coupling plasma etching), and injection molding LIGA process. Parameters of atomizers examined here include configuration of flow channel, diameter of exit orifice, the ratio of diameters of swirl chamber and discharge orifice, and the thickness of at
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Lee, Jin-Woo, Kuk Jin Jung, Morely Sherman, Hyun Sin Kim, and Youn-Jea Kim. "Experimental and Numerical Analysis on the Performance of Spiral Two-Fluid Atomizer Using DPM Method." In ASME 2020 Fluids Engineering Division Summer Meeting collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fedsm2020-20350.

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Abstract A two-fluid atomizer has been frequently used in a wide range of industries for various purposes such as painting, cleaning particles and snow making. In particular, the manufacturing of advance semiconductors using sensitive devices such as organic light emitting diodes (OLED) and dynamic random access memory (DRAM), require high performance nozzle. The droplets sprayed with a high relative gas velocity are widely used for cleaning particles. In this paper, two-fluid atomizer is numerically studied according to four variables to confirm the effect on the atomizer performance. The num
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Arienti, M., L. Wang, M. Corn, et al. "Modeling Wall Film Formation and Breakup Using an Integrated Interface-Tracking/ Discrete-Phase Approach." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23381.

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We propose a computationally tractable model for film formation and breakup based on data from experiments and direct numerical simulations. This work is a natural continuation of previous studies where primary atomization is modeled based on local flow information from a relatively low-resolution tracking of the liquid interface [1]. Sub-models for film formation are supported by direct numerical simulations obtained with the Refined Level Set Grid (RLSG) method [2]. The overall approach is validated by a carefully designed experiment [3], where the liquid jet is cross flow-atomized in a rect
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Zhao, Lei, and Ting Wang. "An Experimental Study of Mist/Air Film Cooling on a Flat Plate With Application to Gas Turbine Airfoils: Part 2 — Two-Phase Flow Measurements and Droplet Dynamics." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94478.

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A Phase Doppler Particle Analyzer (PDPA) system is employed to measure the two-phase mist flow behavior including flow velocity field, droplet size distribution, droplet dynamics, and turbulence characteristics. Based on the droplet measurements made through PDPA, a projected profile describing how the air-mist coolant jet flow spreads and eventually blends into the hot main flow is proposed. This proposed profile is found to be well supported by the measurement results of the turbulent Reynolds stresses. The coolant film envelope is identified with shear layers characterized by higher magnitu
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Sasao, Yasuhiro, Ryo Takata, Satoshi Miyake, Soichiro Tabata, and Satoru Yamamoto. "Optical Coarse Droplet Measurement and Wet Loss Analysis on the Wet Air Flow Through the Subsonic Blade Cascade Channel." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91928.

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Abstract In order to understand the details of the mechanism of the occurrence of wetness loss between blade rows, the blades of an HP nuclear turbine were modeled in an atmospheric subsonic wind tunnel, and a flow field with wet loss was analyzed in its totality using a three-hole Pitot tube and Phase Doppler Particle Analyzer (PDPA) system. In the secondary flow loss region and the end wall loss region, a significant increase in pressure loss was confirmed under wet conditions. Analysis by measurement and the Eulerian-Lagrangian coupled solver showed that these loss increases can occur due t
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Reports on the topic "Phase Doppler Particle Analyser (PDPA)"

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Tanthapanichakoon, Wiwut. Development of phase doppler anemometer for measuring velocity and size distribution of paticulate materials. Chulalongkorn University, 2004. https://doi.org/10.58837/chula.res.2004.72.

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Particle size analysis is an essential analytical task in a large variety of processes of industrial and laboratorial relevance. Phase doppler anemometer (PDA) is one of well-established techniques allowing simultaneous measurement of velocity and size of particles, droplets, or bubbles in two-phase flows including spray atomization. The method is based upon the principle of light scattering interferometry. When a particle passes through the probe volume defined by the intersection of two laser beams, the phase of the light scattered by the particle carries information about the particle size,
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