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TBAB hydrate cool storage application in air conditioning research

Gel-like material, white micro transparent. Density due to the formation of hydrate (1.08g/cm) and the solution density (1.04g/ca) are similar,christian louboutin shoes, with the larger viscosity (about 5 × 10 ~ Pa · s) impeded the particle down, phase transition the process of stratification is not obvious. TBAB melt formed after heating the solution after long home, and no water tetrabutylammonium bromide or other substances produce changes in concentration, so there is no crystallization of common salt phase change material layer aging. Figure 640.5% TBAB add 7% NaC1 solution, after the appearance of hydrate formation 5 Conclusion Based on the above experiment, we can draw the following conclusions: 1) 40.5% TBAB solution in the liquid phase composition during constant, the phase equilibrium temperature change, phase change materials can be used as a constant temperature and energy and other fields. 2) Add 6% a 8% NaC1 make 4o. 5% TBAB solution of the equilibrium temperature is reduced to 6 ℃ a 8Ti, which can be composed of ordinary air with heat storage air conditioning system to achieve the purpose of peak load shifting. 3) The phase transition of samples similar to other experiments found no crystalline salts the precipitation of phase change material layer phenomenon, has good stability, is an excellent reference for the phase change material [1] Wang Chang Institute. Combination of conditions, steadily building storage air conditioning projects one by one on the stage in our understanding of the development of storage air conditioning a few problems with the strategy of [J]. HVAC ,1997,5:16-21 [2] AladkoIS, DyMinYA, RodionovTVeta1. ClathratenydraresofTetra - butylammoniumandTetra - isoamylammoni-tllnHalides [JJ. JournalofStructuralChemistry, 2OO2,ed hardy, 43 (6) :990-994l3ShimadaW,ed hardy shop, TakaoE. OyamaHetal, GrowthMechanismofSemielathrate-hydrateSingleCrystalsICGH a 4 [c] / / I-ceedingsoftheFourthInternationalConferenceOFtGasHydrates. Yokohama, Japan ,2002:557-560 【4JHayashiK, OgoshiS, MatsumotoSResearchandDeveLop-meritonHigh - DensityColdlatent - heatMediumTranspor-tationTechnology [c] / / IEA, Annex10, Fifu1Workshop, FinalProceedings. Tsukuba. Japan. 2000:1-9 [5] DarbouretM, CoumilM, HerriJM. RheologicalstudyofTB-ABhydrateslurriesassecondarytwo-phaserefrigerants [J]. InternationalJournalofRefrigeration, 2005,28 (5) :663-671 [6] more light after three straight Sagawa, Tianzhong Zhong Liang and so on. IJ material loss of water and air-conditioning off cross right foot research and development of Si [M] / / public _ Feng, L, rationalize the use of technology practical switch,abercrombie deutschland, Tokyo: New workers _ was,, L, a combined switch mechanical industrial technology, 2002 :69-90 『101TanasawaI. TakaoS. ClathrateHydrateSlurryofTetra-n-butylammoniumBromideasaCold-StorageMaterialICGH a 4lCl / / ProceedingsoftheFourthIntemationalConferenceOilGasHydrates, Yokohama, Japan,tory burch uk, 2002:963 ~ 967 [11] Lu Xueshan. Phase diagram and the phase transition [M]. Hefei: China University of Technology Press ,1990:127 -133-51-

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