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clearfix"><h1>24v風(fēng)扇價(jià)格寧波奉化光亞計(jì)數(shù)器供應(yīng)</h1><div id="ztq3wd8" class="proBig"><div id="nrewy82" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/18867638280/637273869442958984/9621499.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3ds77pg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/18867638280/637273869442958984/9621499.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hvskmon" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>24v風(fēng)扇價(jià)格</p><p><span>***更新：</span>2020-06-10 17:29:39</p><p><span id="click" >瀏覽次數(shù)：6次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="azb3h30" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波奉化光亞計(jì)數(shù)器制造有限公司</a></p><p><span>聯(lián)系人：</span>皇甫益敏</p><p><span>郵箱: </span>2218920377@qq.com</p><p><span>電話: </span>18867638280</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0574-88955915</p><p><span>地址: </span>東郊開發(fā)區(qū)圓峰路79號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3fxzwn8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fy3tdkz" class="box"><p><p> 扇葉: </p> <p> 常見的風(fēng)扇扇葉截面曲線,一般基于Joukowski(茹科夫斯基,俄國有名的空氣動力學(xué)家,當(dāng)代航空科學(xué)的開拓者,提出了茹科夫斯基函數(shù),奠定了機(jī)翼空氣動力計(jì)算的理論基礎(chǔ))機(jī)翼截面曲線設(shè)計(jì),再按照設(shè)計(jì)需要,根據(jù)葉片根部及端部與旋轉(zhuǎn)軸之夾角、根部及端部寬度等數(shù)據(jù)進(jìn)行旋轉(zhuǎn)堆疊,形成三維扇葉曲面,并進(jìn)行曲線擬合,終完成整個(gè)扇葉模型設(shè)計(jì)。 </p> <p> 扇葉的性能受到眾多參數(shù)的影響,如層疊高度、葉片曲率、葉片傾角、葉片間距、葉片厚度、葉片數(shù)目、葉片沖角、葉端間隙、葉片寬度、主軸直徑等等,且各參數(shù)間互相制約,關(guān)系復(fù)雜。不斷的調(diào)整各項(xiàng)參數(shù),尋找適合目標(biāo)工作要求的組合，24v風(fēng)扇價(jià)格,便是進(jìn)行扇葉設(shè)計(jì)的研究人員所從事的工作。若要將這些參數(shù)全部解釋清楚并加以分析，24v風(fēng)扇價(jià)格,足以寫出幾篇博士論文了,但本文只是淺要分析風(fēng)冷散熱器的相關(guān)技術(shù)，24v風(fēng)扇價(jià)格,實(shí)無此必要,筆者也尚無此能力。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="24v風(fēng)扇價(jià)格" src="https://tyunfile.71360.com/UploadFile/18867638280/637273869442958984/9621499.png"></div><p> (1)風(fēng)扇入風(fēng)的距離:3~5mm的距離是基本點(diǎn) </p> <p> 3mm--風(fēng)扇的效能為80% </p> <p> 4mm--風(fēng)扇的效能為90% </p> <p> 5mm-風(fēng)扇的效能為**** </p> <p> (2)不同的進(jìn)風(fēng)口和出風(fēng)口會引起氣流阻力的很大變化，當(dāng)然出入口的開口越大越好。 </p> <p> (3)不要在風(fēng)扇的進(jìn)風(fēng)口附近放置阻隔物體(例如芯片和接口等)，否則會減少風(fēng)扇的空氣流量。 </p> <p> (4)比較好使用橡膠來固定風(fēng)扇，而不是金屬螺絲，這樣可以避免振動。 </p> <p> (5)風(fēng)扇的空間設(shè)計(jì)。為了風(fēng)扇的效率、噪音，必須保證扇葉和風(fēng)扇外殼的距離為5~10mm。風(fēng)扇的扇葉必須靠近Tongue以獲得比較好的效率。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="24v風(fēng)扇價(jià)格" src="https://tyunfile.71360.com/UploadFile/18867638280/637273869126611328/8876694.png"></div><p> 風(fēng)扇葉端間隙:如何調(diào)整扇葉與外框之間所存在的間隙是風(fēng)扇設(shè)計(jì)中的一大難題。間隙過小會令此間氣流與葉片、外框發(fā)生摩擦,增大噪音;增大間隙則會由于反激氣流等影響耳降低風(fēng)扇效率——間隙增大1%,則全壓功率下降約2%。 </p> <p> 風(fēng)扇葉片弧度:扇葉除了在截面上具有一定曲率外,在俯視平面內(nèi)也并非沿著徑向筆直延伸,而是向著旋轉(zhuǎn)方向略有彎曲,呈一定弧度。如果葉片沿徑向筆直延伸,風(fēng)扇旋轉(zhuǎn)所帶動的氣流在出風(fēng)口一側(cè)將呈散射狀,送風(fēng)距離短,且“力量”不集中;如現(xiàn)行產(chǎn)品版略帶弧度,則可保證吹出氣流集中在出風(fēng)口正前方的柱狀空間內(nèi),增加送風(fēng)距離與風(fēng)壓。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="24v風(fēng)扇價(jià)格" src="https://tyunfile.71360.com/UploadFile/18867638280/637273869497402343/1872219.png"></div></p><br /><p>文章來源地址: 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