液-液介質(zhì)條件下折流板開孔對換熱器傳熱與流阻性能的影響.pdf

1、武漢工程大學(xué)碩士學(xué)位論文液液介質(zhì)條件下折流板開孔對換熱器傳熱與流阻性能的影響姓名：謝國雄申請學(xué)位級別：碩士專業(yè)：化工過程機械指導(dǎo)教師：喻九陽20060501AbstmclAbstractInmeshell—andtubeheatexchangerwitllsinglesegmentalbame，nllidwinfo衄stagnatedzonebetweenbames111atis，int11esideofbafflereversjngt

2、lledirectionofnuidno、v，esplecia】lyintlletopofba壤enlefeexistwhirlyfluidintlliszone，heattraflsferringoft11enuidisnotsu蚯cientandthjsisnotavailableforheattrans蠡耐ngilltlleshellsideTheperf01manceofheat缸ansf斑ingandflowresistanc

3、eisimprovedbydrilling印enure0ntlleproperlocationofbameThenuidnearmetopofba坷e、Ⅳillgommu曲印ertL∽，t11iswilIactivatesta盟atedzoneaIldacceleratespeedofheat錳孤s向曲唱somatmeemciencyofheatt1加sfbrringisilr巾rovedAtthesametimemeformofnui

4、dint11eshensideisaltered丘0mlaIldscapeorientationto10ngitudimlorientation，itwillreducet11eflowresistanceoffluid’sscoumgtubebundleaIldp硼ialresistallceofbameInmistllesis，thepe咖anceofhe砒廿ansfbrringa11dflowresistancea膿ctedbyt

5、hequanti夠a11dlayoutof赫lled印em鵬，t11edi鋤eterofdrilledap撇anddis切ncebetlⅣeenba蝴esisresearchedonByanalyzingtheexperimentaldata，theaumorfindtlleoptimalwayof赫lling印enurea11dsetupt11eexperimemaltie抽equation啪ongNusseltnumberresis

6、tantcoemcientaIldRe”oldsn啪berbythemethodoflillearregressionAccordingtotlleexperimentaldata，t11eoptimalschemeofdriIlingapenL鵬is：distaIlcebet、veenba國eis150mm，thequantityof印ertureis8，tlledi鋤eteris8mm，t11eratioofallapenuresq