Relevant bibliographies by topics / Ultrasound enhanced heat trasnfer

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

Academic literature on the topic 'Ultrasound enhanced heat trasnfer'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Ultrasound enhanced heat trasnfer"

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Mustaghfirin, M. Anis, Burniadi Moballa, and Syaifullah Hamim Thohari. "Effect of various number conical strip inserted in the tube on heat transfer performance." MATEC Web of Conferences 204 (2018): 04016. http://dx.doi.org/10.1051/matecconf/201820404016.

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This work, fluid flow and heat transfer in single and multi phase flow chould be enhanced by turbulent flow in heat exchanger tube with one of heat transfer augmentation techniques. Characteristic of globular tube fitted with the multiple conical strips insert were investigated. Most of study are related with this work, they found that an addition by single conical strips insert will make nusselt number increase 5%. Unfortunately, it was also increase pressure drop about 10%. This work improve their work by adding amount of conical strips inserts.The modification that will become 4 variation number of conical (n = 2, 3, 4, and 5) with 4 kind of central angle (α = 20°, 30°, 40°, and 50°), it is shown that the best performance of conical strips insert configuration is 2 peace of strips with 20° central angle. This work successfull improve Performance heat transfer value in tube about 11% compare with A. Fan et al work. Thus achieve a high overall heat trasnfer performence and it is a promising tube insert which would be widely used in heat transfer process turbulent flow.
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OGAWA, RYOHEI, G. O. KAGIYA, LORETO B. FERIL, NAOKI NAKAYA, TETSUO NOZAKI, HIDEKI FUSE, and TAKASHI KONDO. "ULTRASOUND MEDIATED INTRAVESICAL TRANSFECTION ENHANCED BY TREATMENT WITH LIDOCAINE OR HEAT." Journal of Urology 172, no. 4 Part 1 (October 2004): 1469–73. http://dx.doi.org/10.1097/01.ju.0000139589.52415.3d.

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Razansky, D., P. D. Einziger, and D. R. Adam. "Enhanced heat deposition using ultrasound contrast agent - modeling and experimental observations." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 53, no. 1 (January 2006): 137–47. http://dx.doi.org/10.1109/tuffc.2006.1588399.

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Song, Ji Tian, Xiao Fei Xu, Wei Tian, Jian Bo Liu, and Zheng Zhao. "The Experimental Study on the Enhanced Evaporating Property of the Pineapple Juice by Ultrasound." Applied Mechanics and Materials 494-495 (February 2014): 285–88. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.285.

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In this paper, the heat transfer of pineapple juice was investigated on a new evaporator with ultrasound. The effects of various factors on the heat transfer coefficient were analyzed, including feed rate, evaporating temperature, temperature difference of heat transfer, and juice concentration. The proposals of design and operation for this new evaporation were also discussed.
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Frazier, Nick, Allison Payne, Christopher Dillon, Nithya Subrahmanyam, and Hamidreza Ghandehari. "Enhanced efficacy of combination heat shock targeted polymer therapeutics with high intensity focused ultrasound." Nanomedicine: Nanotechnology, Biology and Medicine 13, no. 3 (April 2017): 1235–43. http://dx.doi.org/10.1016/j.nano.2016.11.014.

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Li, Zhipeng, Dexue Ma, Yiyang He, Siqi Guo, Fuguo Liu, and Xuebo Liu. "Simultaneous Ultrasound and Heat Enhance Functional Properties of Glycosylated Lactoferrin." Molecules 25, no. 23 (December 7, 2020): 5774. http://dx.doi.org/10.3390/molecules25235774.

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Protein-polysaccharide covalent complexes exhibit better physicochemical and functional properties than single protein or polysaccharide. To promote the formation of the covalent complex from lactoferrin (LF) and beet pectin (BP), we enhanced the Maillard reaction between LF and BP by using an ultrasound-assisted treatment and studied the structure and functional properties of the resulting product. The reaction conditions were optimized by an orthogonal experimental design, and the highest grafting degree of 55.36% was obtained by ultrasonic treatment at 300 W for 20 min and at LF concentration of 20 g/L and BP concentration of 9 g/L. The formation of LF-BP conjugates was confirmed by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) and Fourier transform infrared (FTIR) spectroscopy. Ultrasound-assisted treatment can increase the surface hydrophobicity, browning index, 1,1-diphenyl-2-picryl-hydrazyl (DPPH) and 2,2’-azinobis-(3-ethylbenzthiazoline-6-sulphonate) (ABTS) free radicals scavenging activity of LF due to the changes in the spatial configuration and formation of Maillard reaction products. The thermal stability, antioxidant activity and emulsifying property of LF were significantly improved after combining with BP. These findings reveal the potential application of modified proteins by ultrasonic and heat treatment.
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Gnanaskandan, Aswin, Chao-Tsung Hsiao, and Georges Chahine. "Contrast agent shell properties effects on heat deposition in bubble enhanced high intensity focused ultrasound." Journal of the Acoustical Society of America 149, no. 1 (January 2021): 421–34. http://dx.doi.org/10.1121/10.0002948.

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Kim, Jungsuk, Kiheum You, Sun-Ho Choe, and Hojong Choi. "Wireless Ultrasound Surgical System with Enhanced Power and Amplitude Performances." Sensors 20, no. 15 (July 27, 2020): 4165. http://dx.doi.org/10.3390/s20154165.

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A wireless ultrasound surgical system (WUSS) with battery modules requires efficient power consumption with appropriate cutting effects during surgical operations. Effective cutting performances of the ultrasound transducer (UT) should be produced for ultrasound surgical knives for effective hemostasis performance and efficient dissection time. Therefore, we implemented a custom-made UT with piezoelectric material and re-poling process, which is applied to enhance the battery power consumption and output amplitude performances of the WUSS. After the re-poling process of the UT, the quality factor increased from 1231.1 to 2418 to minimize the unwanted heat generation. To support this UT, we also developed a custom-made generator with a transformer and developed 2nd harmonic termination circuit, control microcontroller with an advanced reduced instruction set computer machine (ARM) controller, and battery management system modules to produce effective WUSS performances. The generator with a matching circuit in the WUSS showed a peak-to-peak output voltage and current amplitude of 166 V and 1.12 A, respectively, at the resonant frequency. The performance with non-contact optical vibrators was also measured. In the experimental data, the developed WUSS reduced power consumption by 3.6% and increased the amplitude by 20% compared to those of the commercial WUSS. Therefore, the improved WUSS performances could be beneficial for hemostatic performance and dissection time during surgical operation because of the developed UT with a piezoelectric material and re-poling process.
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Liu, Guang-Jian, Fuminori Moriyasu, Tomihiko Hirokawa, Munire Rexiati, Masahiko Yamada, and Yasuharu Imai. "Expression of Heat Shock Protein 70 in Rabbit Liver After Contrast-Enhanced Ultrasound and Radiofrequency Ablation." Ultrasound in Medicine & Biology 36, no. 1 (January 2010): 78–85. http://dx.doi.org/10.1016/j.ultrasmedbio.2009.08.001.

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Weng, Chih-Huang, and Kuen-Lung Tsai. "Ultrasound and heat enhanced persulfate oxidation activated with Fe0 aggregate for the decolorization of C.I. Direct Red 23." Ultrasonics Sonochemistry 29 (March 2016): 11–18. http://dx.doi.org/10.1016/j.ultsonch.2015.08.012.

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Dissertations / Theses on the topic "Ultrasound enhanced heat trasnfer"

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Labuda, Cecille Pemberton. "Enhanced high intensity focused ultrasound heat deposition for more efficient hemostasis /." Full text available from ProQuest UM Digital Dissertations, 2008. http://0-proquest.umi.com.umiss.lib.olemiss.edu/pqdweb?index=0&did=1905744431&SrchMode=1&sid=8&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1279568381&clientId=22256.

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Thesis (Ph.D.)--University of Mississippi, 2008.
Typescript. Vita. "May 2008." Major professor: Charles C. Church Includes bibliographical references (leaves 95-102). Also available online via ProQuest to authorized users.
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"Investigation of Heat Exchanger Improvement via Ultrasonic Energy." Master's thesis, 2019. http://hdl.handle.net/2286/R.I.53815.

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abstract: In these times of increasing industrialization, there arises a need for effective and energy efficient heat transfer/heat exchange devices. The focus nowadays is on identifying various methods and techniques which can aid the process of developing energy efficient devices. One of the most common heat transfer devices is a heat exchanger. Heat exchangers are an essential commodity to any industry and their efficiency can play an important role in making industries energy efficient and reduce the energy losses in the devices, in turn decreasing energy inputs to run the industry. One of the ways in which we can improve the efficiency of heat exchangers is by applying ultrasonic energy to a heat exchanger. This research explores the possibility of introducing the external input of ultrasonic energy to increase the efficiency of the heat exchanger. This increase in efficiency can be estimated by calculating the parameters important for the characterization of a heat exchanger, which are effectiveness (ε) and overall heat transfer coefficient (U). These parameters are calculated for both the non-ultrasound and ultrasound conditions in the heat exchanger. This a preliminary study of ultrasound and its effect on a conventional shell-and-coil heat exchanger. From the data obtained it can be inferred that the increase in effectiveness and overall heat transfer coefficient upon the application of ultrasound is 1% and 6.22% respectively.
Dissertation/Thesis
Masters Thesis Mechanical Engineering 2019
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Book chapters on the topic "Ultrasound enhanced heat trasnfer"

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Nabi, Raheem Abbas, Yi Sui, and Xi Jiang. "A Computational Study of Ultrasound-Enhanced Convective Heat Transfer." In Advances in Heat Transfer and Thermal Engineering, 29–33. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4765-6_5.

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Conference papers on the topic "Ultrasound enhanced heat trasnfer"

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Daghooghi Mobarakeh, Hooman, Keshawa Bandara, Liping Wang, Robert Wang, Patrick E. Phelan, and Mark Miner. "Low-Grade Heat Utilization Through Ultrasound-Enhanced Desorption of Activated Alumina/Water for Thermal Energy Storage." In ASME 2020 Power Conference collocated with the 2020 International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/power2020-16802.

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Abstract Sorption thermal energy storage (TES) seems to be an auspicious solution to overcome the issues of intermittent energy sources and utilization of low-grade heat. Ultrasound-assisted adsorption/desorption of water vapor on activated alumina is proposed as a means of low-grade heat utilization through TES. The effects of ultrasonic power on the storing stage (desorption of water vapor) were analyzed to optimize the desorption and overall efficiencies. To determine and justify the effectiveness of incorporating ultrasound from an energy-savings point of view, an approach of constant total (heat plus ultrasound) input power of 25 W was adopted. To measure the extent of the effectiveness of using ultrasound, ultrasonic-power-to-total power ratios of 0.2 and 0.4 were investigated and the results compared with those of no-ultrasound (heat only) at the same total power. The regeneration temperature and desorption rate were measured simultaneously to investigate the effects of ultrasonication on regeneration temperature and utilization of low-grade heat. The experimental results showed that using ultrasound facilitates the regeneration of activated alumina at both power ratios without increasing the total input power. With regard to regeneration temperature, incorporating ultrasound decreases the regeneration temperature hence justifying the utilization of low-grade heat for thermal energy purposes. In terms of overall energy recovery of the adsorption thermal storage process, a new metric is proposed to justify incorporating ultrasound and any other auxiliary energy along with low-grade heat.
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Sun, Zi-Qiao, Yang Yang, Zhong-Shan Deng, and Jing Liu. "Ultrasound Preprocessing to Improve Nanoparticles’ Performance in Enhancing Cryosurgery." In ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/mnhmt2013-22135.

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Nanoparticles mediated cryosurgery was recently established as an efficient way to significantly improve the output of a conventional freezing therapy. To further improve this newly emerging nanomedicine way for ablating target tumor, here the ultrasound preprocessing was proposed for the first time to enhance the freezing strength to a better level on the tissues. In vitro experiments were carried out to evaluate the effects of a single ultrasound preprocessing, a single nanoparticle loading or their combination in enhancing the cryosurgery. Meanwhile, the mechanisms of the ultrasound preprocessing to improve nanoparticles’ mediated freezing capability were also theoretically interpreted. Experimental measurements demonstrate that, the ultrasound preprocessing on the target tissue site injected with nanoparticles not only evidently expended the freezing area, but also helps realize a much lower temperature scale and offers higher freezing rate during the nanocryosurgical process. Two main reasons to contribute to such effects were identified as the enhanced convective heat transfer in micro scale and the varied cellular impermeability caused by the ultrasound. The combined effect of ultrasound preprocessing and nanoparticles would be greater than the sum of their individual effects in mediating the nanocryosurgery. As a convinced approach, the present method opens a new way for the improved freezing ablation on tumor which can possibly be used in future clinics.
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Tada, Yukio, Yoshiaki Satou, Makoto Kurokawa, Akira Takimoto, and Hajime Onishi. "Effects of Ultrasonic Irradiation on Ice Formation in Biological Tissue." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22803.

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A method to actively controlling crystallization is one of promising technique for cryopreservation. The object of this paper is to study the effect of ultrasonic irradiation on ice formation during freezing of biological tissue with supercooling. In the experiments, agar gel was frozen under irradiation of ultrasound at frequency of 28kHz. The measurements of temperature and the microscopic observation of ice crystals using fluorescent indicator were carried out. Firstly, it was found that the supercooled state was released by applying ultrasound at high intensity level, since ultrasonic cavitation effects were augmented. On the other hand, a weakly delay in the nucleation temperature was induced by applying ultrasound at low intensity level. Secondly, ice structure size decreased with increasing ultrasonic power under given supercooling degree at nucleation stage. The effect of ultrasound was enhanced by using large supercooling condition. Thirdly, paying attention to the thermal effect of ultrasound as changing temperature profile, sound and heat conduction in agar gel immersed in low temperature solution were numerically calculated. It was suggested that ultrasound at high frequency is effective to enlarge supercooled region.
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Protheroe, Michael D., and Ahmed M. Al-Jumaily. "Ultrasound Effect on Droplet Evaporation." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50552.

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This paper investigates the effect of an ultrasound field on the evaporation of water droplets into an air stream flowing along a conduit. The air and droplet mixture (aerosol) is passed through an intense ultrasound field, generated in a cylindrical sonotrode, in an effort to accelerate the droplet evaporation process. The improvement in droplet evaporation was evaluated by measuring changes in the droplet size distribution and changes to the air humidity and temperature. It was found that at high power levels the droplets were rapidly and completely vaporized. At power levels in the 2–20 W range there was a significant increase in droplet evaporation, up to 28%, but also some droplet coalescence occurred. The mechanism for this improvement was thought to be a result of enhanced convection heat and mass transfer processes and the input of heat energy into the aerosol. This study has demonstrated that an ultrasound field does improve water droplet evaporation.
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Fu, Benwei, Nannan Zhao, Guoyou Wang, and Hongbin Ma. "Effect of Dual Frequency Ultrasound on the Bubble Formation in a Capillary Tube." In ASME 2016 Heat Transfer Summer Conference collocated with the ASME 2016 Fluids Engineering Division Summer Meeting and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ht2016-7453.

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A visual experimental was conducted to determine the effect of dual frequency ultrasound on the bubble formation and growth in a capillary quartz tube. The ultrasonic sound was applied to the heating section of a capillary tube by using electrically-controlled piezoelectric ceramics made of Pb-based lanthanum-doped zirconate titanates (PLZTs). The bubble formation and growth were recorded by a high speed camera. Experimental results show that the bubble formation and growth depend on PLZT frequency. When a dual frequency ultrasound (154 kHz and 474 kHz) was used, the nucleation sites for bubble formation were significantly increased and the bubble growth rate enhanced.
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Schoenitz, Martin, Annika Hohlen, Wolfgang Augustin, and Stephan Scholl. "In-Process Cleaning of a Micro Heat Exchanger With Ultrasound During the Continuous Crystallization of Solid Lipid Nanoparticles." In ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icnmm2014-21821.

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Process intensification by the application of microscale process engineering in reaction and heat transfer processes provides the opportunity of moving from batch to continuous manufacturing, mainly due to enhanced heat and mass transfer. These effects are primarily caused by the very high surface to volume ratio in microstructured devices. Further advantages, particularly suitable for sensitive products, are the low shear stress in the typically occurring laminar regime and the short residence time. The crystallization of drug carrying lipid nanoparticles (LNP) is a typical batch process for pharmaceutical products and is used here to demonstrate benefits, challenges and application possibilities of the conversion into a continuous microscale process. During the continuous crystallization of various LNP formulations in a micro-crystallizer, designed as a micro heat exchanger with square channels, several formulations led to fouling and blocking of small passages in the micro heat exchanger. To investigate the fouling behavior of different LNP formulations in detail, integral pressure drop measurements over the micro heat exchanger were performed. This contribution addresses the in-process cleaning of a micro heat exchanger for the continuous crystallization using ultrasound. Different ultrasound amplitudes and operation procedures were investigated. During processing the overall pressure drop was decreased significantly by induced ultrasound pulses. The investigations showed that in-process cleaning of a micro heat exchanger with ultrasound is possible for screening as well as for long term production of LNP. Also the product quality, given by the particle size and particle size distribution, is not affected by the ultrasound input.
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Ma, Jingsen, Aswin Gnanaskandan, Chao-Tsung Hsiao, and Georges L. Chahine. "MPI Parallelization for Two-Way Coupled Euler-Lagrange Simulation of Microbubble Enhanced HIFU." 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/fedsm2020-20404.

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Abstract Microbubble enhanced High Intensity Focused Ultrasound (HIFU) is of great interest to tissue ablation for tumor treatment such as in liver and brain cancers, in which ultrasonic contrast agent microbubbles are injected to the targeted region to promote local heating while reducing pre-focal damage. To accurately characterize the acoustic and thermal fields during this process, a compressible Euler-Lagrange model is used. The non-linear ultrasound field is modeled using compressible N-S equations on an Eulerian grid, while the microbubbles are tracked as discrete singularities in a Lagrangian fashion with their dynamics computed. Their intimate coupling is realized through the local void fraction, which is computed from the instantaneous bubble volumes and locations, and then fed to the fluid continuum model. Owing to demanding computational cost in real applications, schemes for significant speedup are highly desirable. We present here a MPI parallelization scheme based on domain decomposition for both the continuum fluid and the discrete bubbles. The Eulerian computational domain is subdivided into several subdomains having each the same number of grids, while the bubbles are subdivided based on their locations corresponding to each subdomain. During each computation time step, MPI processors, each handling one subdomain, are 1) first used to execute the fluid computation, and 2) then to execute the bubble computations, 3) followed by the coupling procedure, which maps the void fraction from the Lagrangian bubble solutions into the Eulerian grids. Steps 1) and 2) are relatively straightforward by routinely following regular MPI procedures. However, step 3) becomes challenging as the effect of the bubbles through the void fraction at an Eulerian point near a subdomain border will require information from bubbles located in different subdomains. Similarly, a bubble near a border between subdomains will spread its contribution to the void fraction of different subdomains. This is addressed by a special utilization of ghost cells surrounding each fluid subdomain, which allows bubbles to spread their void fraction effects across subdomain edges without the need of exchanging directly bubble information between subdomains and significantly increasing overhead. This void fraction implementation is verified by gas volume conservation before and after spreading the bubble effects. Other bubble effects such as thermal effects are handled in a similar way. This parallelization scheme is validated and illustrated on a typical microbubble enhanced HIFU problem, followed by parallelization scaling tests and efficiency analysis.
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