A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 2695-47-8, Name is 6-Bromo-1-hexene, molecular formula is C6H11Br. In an article, author is Liu, Ni,once mentioned of 2695-47-8, Computed Properties of C6H11Br.
Effects of microstructured surface and mixed surfactants on the heat transfer performance of pulsed spray cooling
Pulsed spray cooling is a highly promising method for efficiently cooling high heat flux electronic components. In this study, the factors affecting the heat transfer performance of pulsed spray cooling were investigated on a closed pulsed spray cooling experimental system. It was found that a straight fin microstructured surface has a higher heat transfer performance than a smooth surface, but it decreases the surface temperature uniformity. Based on this, the effects of binary mixed surfactants, DuPont Capstone FS-31:Tween 20, FS-31:sodium dodecyl sulfate (SDS), and FS-31:cetyltrimethylammonium bromide (CTAB), on the heat transfer performance and surface temperature uniformity of pulsed spray cooling with a microstructured surface were investigated. The results show that the surface tension and contact angle of 75% FS-31:25% CTAB were the lowest and the heat transfer performance was the highest. The mean surface temperature was 47.26 degrees C and the heat transfer coefficient was 2.02 W/(cm(2)K). Compared with the results without surfactants on microstructured surface, the mean surface temperature was lower by 8.43 degrees C and the heat transfer coefficient was higher by 35.57%. The mixed surfactants greatly improved the temperature uniformity of the microstructured surface, and the maximum surface temperature difference decreased from 1.587 degrees C to 0.471 degrees C.
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