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meerkat

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[½»Á÷] [Òѽâ¾ö]euler-euler ½ø³ö¿ÚÊØºãµÄÎÊÌâ, ÆøÒº2Ïà·ÇÎÈ̬

ÈçÌâ, ×öÒ»¸öÐýÁ÷Æ÷Á÷³¡Ä£Äâ, Ë®-Æø(2nd phase)2Ïàeuler-eulerÄ£ÐÍ, 2ËٶȽø¿Ú 2ѹÁ¦³ö¿Ú. ÒÔ³ö¿ÚµÄÆøÏà·ÖÊýΪÅжϴïÎÈ̬µÄÌõ¼þ,ʱ¼ä²½³¤0.001s. Ë®ºÍ¿ÕÆøµÄÃܶȾùΪ³£Êý. ¼ÆËãÖÐÊÕÁ²Õý³£, ²Ð²îÉ趨Ϊ5*10^-4, Á¬Ðø·½³ÌºÍÌå»ý·ÖÊý²Ð²î10^-4.

×öµ¥ÏàÁ÷(Ë®)µÄʱºò½ø³ö¿ÚµÄmass flow rate ÊØºã, i.e. NET ÖµºÜС.

µ«×ö2ÏàÁ÷µÄʱºò, ½ø³ö¿ÚµÄmass flow rateËÆºõ²»Êغã. ¾»²î(NET)/Èë¿ÚÁ÷Á¿=4%. ÓÉÓÚ·ÖÁ÷±È±È½ÏÐüÊâ(ÆäÖÐÒ»¸ö³ö¿ÚÖ»ÓÐ9%), ËùÒÔÎÒÊDZȽϵ£ÐÄÕâ¸öNET.

¶øÈç¹û²ì¿´volumetric flow rate, ¾»²î(NET)ÔòºÜС,Ö»Óнø¿ÚÁ÷Á¿µÄ0.03%, ÏàÓ¦2¸ö³ö¿ÚµÄÌå»ý·ÖÁ÷±ÈΪ10%×óÓÒ, Õâ¸ö½á¹ûÊDZȽÏÂúÒâµÄ.

Çë¸÷λ°ïÖúÎÒ¿´Ò»¿´, ÕâÖÖÇé¿öÏÂmass flow rate ²»ÊغãÊÇʲôÎÊÌâ? Õý³£Ã´?

p.s. Ë®ÏàµÄÖÊÁ¿¾»Á÷ÈëΪÕý(Õ¼½ø¿ÚÖÊÁ¿Á÷Á¿µÄ4%), ÆøÏàΪ¸º(Õ¼½ø¿ÚÖÊÁ¿Á÷Á¿µÄ30%), 2Õß²»Æ½ºâ. 2¸ö³ö¿Ú¶¼Ã»Óз¢Éú»ØÁ÷.

p.p.s. ֮ǰµÄÌû×Óhttp://muchong.com/bbs/viewthread.php?tid=3448340 ÊÇÌÖÂÛËþ°åÄ£ÄâµÄ. ÎÒ֮ǰҲ×ö¹ýËþ°å, Ò²ÓÐmassflowrate²»Æ½ºâµÄÇé¿ö. µ«Ëƺõ×éÀïµÄǰÈ˶¼Ã»ÓÐÔÚÒâÕâ¸öÊÂÇé. ÆäËûµÄÌû×Ó´ó¶àÊýÊÇÌÖÂÛcontinuty ²»ÊÕÁ²µÄÎÊÌâ, Óë±¾°¸²»Í¬. ËùÒÔÔÚ´Ë¿ªÌùÌÖÂÛ.

[ Last edited by 1592203609 on 2013-5-11 at 23:15 ]
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