No abstract

As heat generation increases in CPUs and other small electr 〔 〕nic deviccs ， morc miniaturi ∠ ed and efficient cooling technology has becn requircd ． Ill this study the authors ins ， estigated combination of impinging tlow and high −carbon a1じQhol aqueous solutions in mini channel ． r ： iunotion eha 冂 nel rnade of quartz glass realized the impinging 士 ユ ow ． The tlo − ， tube has a circle cross section ， and the inner diameter was 2 ． O mm ， We performcd experiments and compared heat transfer charactcristics about じoncentration level of butanol aqueous solutions ， The concentration le、 ' el was 1． 50wt％ ， 3， 00wt％ ， 450wt ％ ， and 7 ． 15wt％ ． It was tound from the experimental results that the boiling bubb ［ e ofbutanol a 〔 iueous sotution9 ． ( 3， 00wt ％ ) became smallcr and gave higher coo ］ ing ability． Key 耳 「 ords ； impinging flow， T − junction 、 butanol aqueous so ］ utiens ， cooling ， boiling bubbleg ．