图书馆订阅: Guest
Begell Digital Portal Begell 数字图书馆 电子图书 期刊 参考文献及会议录 研究收集
强化传热期刊
影响因子: 0.562 5年影响因子: 0.605 SJR: 0.175 SNIP: 0.361 CiteScore™: 0.33

ISSN 打印: 1065-5131
ISSN 在线: 1026-5511

强化传热期刊

DOI: 10.1615/JEnhHeatTransf.2019030967
pages 85-100

INFLUENCE OF NONCONDENSABLE GAS TO CONDENSATION OF WATER IN A NANOSCALE SPACE USING MOLECULAR DYNAMICS SIMULATION

Li Li
MOE Key Laboratory of Condition Monitoring and Control for Power Plant Equipment, North China Electric Power University, Beijing 102206, China
Xiaoze Du
North China Electric Power University

ABSTRACT

The existence of noncondensable gases has a great effect on the condensation heat transfer coefficient. It is necessary to exclude noncondensable gases and maintain the vacuum degree to improve heat transfer in some industrial phase-change heat exchangers. Nevertheless, to better control the temperature needed to increase thermal resistance to decrease or adjust the heat transfer, using noncondensable gases is an effective method. Understanding heat transfer and dynamics characteristics of noncondensable gases at nanoscale are of great interest in both theoretical and practical applications. In the present study, the influence of noncondensable gases to phase change in confined nanoscale space was investigated by using molecular dynamics simulation. Vapor nitrogen was used as the noncondensable gas put into the working fluid region that contains the liquid and vapor water. The temperature and distribution of the density of working fluid was obtained and the trajectories of some water molecules and nitrogen molecules were tracked. As time passes, more and more water molecules condense at the cold wall, whereas a certain number of nitrogen molecules fluctuate in the working fluid region beside the accumulated nitrogen molecules at the cold end to resist the heat transfer and increase the temperature difference. The results revealed the influence of noncondensable gases to phase change from the nanoscale aspect. The enhancement of heat transfer could be realized and controlled through the regulation of the noncondensable gases in the working fluid.

REFERENCES

  1. Abascal, J.L.F. and Vega, C., A General Purpose Model for the Condensed Phases of: TIP4P/2005, J. Chem. Phys, vol. 123, p. 234505,2005.

  2. Arismendi-Arrieta, D., Medina, J.S., Fanourgakis, G.S., Prosmiti, R., and Delgado-Barrio, G., Simulating Liquid Water for Determining Its Structural and Transport Properties, Appl. Radiat. Isotopes, vol. 83, pp. 115-121,2014.

  3. Cahill, D.G., Ford, W.K., Goodson,K.E., Mahan, G.D., Majumdar, A., Maris, H.J., Merlin, R., andPhillpot, S.R., Nanoscale Thermal Transport, J. Appl. Phys, vol. 93, pp. 793-818,2003.

  4. Diaz, R. and Guo, Z., Molecular Dynamics Study of Wettability and Pitch Effects on Maximum Critical Heat Flux in Evaporation and Pool Boiling Heat Transfer, Numer. Heat Transf., Part A, vol. 72, pp. 891-903,2017a.

  5. Diaz, R. and Guo, Z., A Molecular Dynamics Study of Phobic/Philic Nano-Pattering on Boiling Heat Transfer, Heat Mass Transf., vol. 53, pp. 1061-1071,2017b.

  6. Diaz, R. and Guo, Z., Enhanced Conduction and Pool Boiling Heat Transfer on Single-Layer Graphene-Coated Substrates, J. Enhanced Heat Transf., vol. 26, pp. 127-143,2019.

  7. Edom, A. and Vlassov, V., Experimental Study on Periodical Fluctuations of the Diffuse Vapor-Gas Front during Operation of a Gas-Loaded Heat Pipe, SAE Tech. Paper 2001-01-2234,2001.

  8. Edwards, D.K. and Marcus, B.D., Heat and Mass Transfer in the Vicinity of the Vapor-Gas Front in a Gas-Loaded Heat Pipe, ASME J. Heat Transf, vol. 94, pp. 155-162,1972.

  9. Hu, H. and Sun, Y., Effect of Nanopatterns on Kapitza Resistance at a Water-Gold Interface during Boiling: A Molecular Dynamics Study, J. Appl. Phys, vol. 112, p. 053508,2012.

  10. Huang, J., Zhang, J., and Wang, L., Review of Vapor Condensation Heat and Mass Transfer in the Presence of Non-Condensable Gas, Appl. Therm. Eng., vol. 89, pp. 469-484,2015.

  11. Jia, T., Zhang, Y., Ma, H.B., and Chen, J.K., Investigation of the Characteristics of Heat Current in a Nanofluid based on Molecular Dynamics Simulation, Appl. Phys. A-Mater., vol. 108, pp. 537-544,2012.

  12. Kim, N., Steam Condensation Enhancement and Fouling in Titanium Corrugated Tubes, J. Enhanced Heat Transf, vol. 26, pp. 59-74,2019.

  13. Lee, K., Kadambi, J.R., and Kamotani, Y., The Influence of Non-Condensable Gas on an Integral Planar Heat Pipe Radiators for Space Applications, Int. J. Heat Mass Transf., vol. 110, pp. 496-505,2017.

  14. Leriche, M., Harmand, S., Lippert, M., and Desmet, B., An Experimental and Analytical Study of a Variable Conductance Heat Pipe: Application to Vehicle Thermal Management, Appl. Therm. Eng., vol. 38, pp. 48-57,2012.

  15. Li, L., Ji, P., and Zhang, Y, Molecular Dynamics Simulation of Condensation on Nanostructured Surface in a Confined Space, Appl. Phys. A-Mater., vol. 122, p. 496,2016.

  16. Li, M., Huber, C., Mu, Y., and Tao, W., Lattice Boltzmann Simulation of Condensation in the Presence of Noncondensable Gas, Int. J. Heat Mass Transf., vol. 109, pp. 1004-1013,2017.

  17. Liang, Z., Biben, T., and Keblinski, P., Molecular Simulation of Steady-State Evaporation and Condensation: Validity of the Schrage Relationships, Int. J. Heat Mass Transf., vol. 114, pp. 105-114,2017.

  18. Louden, P., Schoenborn, R., and Lawrence, C.P., Molecular Dynamics Simulations of the Condensation Coefficient of Water, Fluid Phase Equilib, vol. 349, pp. 83-86,2013.

  19. Mao, Y. and Zhang, Y., Molecular Dynamics Simulation on Rapid Boiling of Water on a Hot Copper Plate, Appl. Therm. Eng., vol. 62, pp. 607-612,2014.

  20. Morshed, A.K.M.M., Paul, T.C., and Khan, J.A., Effect of Nanostructures on Evaporation and Explosive Boiling of Thin Liquid Films: A Molecular Dynamics Study, Appl. Phys. A, vol. 105, pp. 445-451,2011.

  21. Nagayama, G., Kawagoe, M., Tokunaga, A., and Tsuruta, T., On the Evaporation Rate of Ultra-Thin Liquid Film at the Nanostructured Surface: A Molecular Dynamics Study, Int. J. Therm. Sci., vol. 49, pp. 59-66, 2010.

  22. Pereza, A. and Rubiob, A., A Molecular Dynamics Study of Water Nucleation Using the TIP4P/2005 Model, J. Chem. Phys, vol. 135, p. 244505,2011.

  23. Ren, B., Zhang, L., Cao, J., Xu, H., and Tao, Z., Experimental and Theoretical Investigation on Condensation inside a Horizontal Tube with Noncondensable Gas, Int. J. Heat Mass Transf, vol. 82, pp. 588-603, 2015.

  24. Rohani, A.R. and Tien, C.L., Steady Two-Dimensional Heat and Mass Transfer in the Vapor-Gas Region of a Gas-Loaded Heat Pipe, ASME J. Heat Transf, vol. 95, pp. 377-382,1973.

  25. Seyf, H.R. and Zhang, Y., Molecular Dynamics Simulation of Normal and Explosive Boiling on Nanos-tructured Surface, J. Heat Transf., vol. 135, p. 121503,2013.

  26. Sugimoto, K., Asano, H., Murakawa, H., Takenaka, N., Nagayasu, T., and Ipposhi, S., Evaluation of Liquid Behavior in a Variable Conductance Heat Pipe by Neutron Radiography, Nucl. Instrum. Methods Phys. Res. A, vol. 651, pp. 264-267,2011.

  27. Wang, C.S., Chen, J.S., Shiomi, J., and Maruyama, S., A Study on the Thermal Resistance over Solid-Liquid-Vapor Interfaces in a Finite-Space by a Molecular Dynamics Method, Int. J. Therm. Sci., vol. 46, pp. 1203-1210,2007.

  28. Yang, T.H. and Pan, C., Molecular Dynamics Simulation of a Thin Water Layer Evaporation and Evaporation Coefficient, Int. J. Heat Mass Transf., vol. 48, pp. 3516-3526,2005.

  29. Yi, Q., Tian, M., Yan, W., Qu, X., and Chen, X., Visualization Study of the Influence of Non-Condensable Gas on Steam Condensation Heat Transfer, Appl. Therm. Eng., vol. 106, pp. 13-21,2016.

  30. Yu, J. and Wang, H., A Molecular Dynamics Investigation on Evaporation of Thin Liquid Films, Int. J. Heat Mass Transf., vol. 55, pp. 1218-1225,2012.

  31. Zhang, C., Cheng, P., and Minkowycz, W.J., Lattice Boltzmann Simulation of Forced Condensation Flow on a Horizontal Cold Surface in the Presence of a Non-Condensable Gas, Int. J. Heat Mass Transf., vol. 115, pp. 500-512,2017.

  32. Zhou, L., Wang, L., Chong, D., Yan, J., and Liu, J., CFD Analysis to Study the Effect of Non-Condensable Gas on Stable Condensation Jet, Prog;. Nucl. Energ, vol. 98, pp. 143-152,2017.

  33. Zou, Y., Huai, X., and Lin, L., Molecular Dynamics Simulation for Homogeneous Nucleation of Water and Liquid Nitrogen in Explosive Boiling, Appl. Therm. Eng., vol. 30, pp. 859-863,2010.


Articles with similar content:

HEAT TRANSFER IN NATURAL CONVECTION WITH FINITE-SIZED PARTICLES CONSIDERING THERMAL CONDUCTANCE DUE TO INTER-PARTICLE CONTACTS
Computational Thermal Sciences: An International Journal, Vol.7, 2015, issue 5-6
Shintaro Takeuchi, Katsuya Kondo, Takeshi Harada, Takaaki Tsutsumi, Takeo Kajishima
Optimization of Anti Diffusion Fluxes in Difference Schemes for the Transport Equation
Journal of Automation and Information Sciences, Vol.39, 2007, issue 7
Sergey L. Kivva
INVESTIGATION ON THE NOISE CHARACTERISTICS OF DIRECT CONTACT STEAM CONDENSATION IN LOW SUB-COOLED WATER
International Heat Transfer Conference 16, Vol.18, 2018, issue
Mo Tao , Zhiguo Wei, Qi Xiao, Shaodan Li , Yong Li
CHARACTERISTIC INVESTIGATION OF STATIC LIQUID DESICCANT DEHUMIDIFICATION PROCESS BY MOLECULAR DYNAMICS
International Heat Transfer Conference 16, Vol.16, 2018, issue
Yonggao Yin, Xiaosong Zhang, Tingting Chen, Yuwen Zhang
MICROWAVE SPECTRA OF ZnFe2O4, CoFe2O4, AND Fe3O4 NANOPARTICLES SUSPENDED WITH MONO-, TRI-, AND POLYETHYLENE GLYCOL
Telecommunications and Radio Engineering, Vol.75, 2016, issue 20
А. G. Belous, А. S. Vakula, S. I. Tarapov, А. Anders