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教您如何選擇電熱管的計算方法

點(diǎn)擊數:29452013-06-23 21:10:11 來(lái)源: 電熱管|電熱絲|翅片電熱管|法蘭電熱管|加熱絲|電熱扁帶|電熱輻射管|硅橡膠加熱帶-鹽城泰亞電熱電器有限公司

通過(guò)一些計算公式能夠得出那款電熱管符合你的要求,以下三個(gè)計算公式對我幫助很大,跟大家分享一下,一起了解下:

一,功率計算公式:P=V2/R
(P代表功率,V代表電壓,R代表電阻)

二?;¢L(cháng)計算公式:L=nπR/180°
(L代表長(cháng)度,n代表角度,π代表3.14,R代表半徑)

三,表面負荷計算公式:W=Φ(直徑)x 3.14(π)x L(實(shí)際發(fā)熱長(cháng)度)x W(標準表面負荷)

我們認為在選擇一款合適的電熱管,一定要先了解下電熱管的功率大小,看看是否滿(mǎn)足加熱的需求熱量。此外電熱管的好壞也可以通過(guò)簡(jiǎn)單的實(shí)驗分辨出來(lái):驗證電熱管優(yōu)劣最直觀(guān)的方法是:先將電熱管表面擦凈,然后接通交流220V電源,在空氣中干燒,表面發(fā)紅后斷電,待電熱管完全冷卻后,用餐巾紙擦拭,白紙上應無(wú)黑色氧化粉末(未與空氣中的氧氣反應),證明此電熱管是優(yōu)質(zhì)的。
 高質(zhì)量的產(chǎn)品,完善的售后服務(wù),真誠的合作,是我們的宗旨,也是取得廣大用戶(hù)信用的保證。公司經(jīng)理攜全體員工熱忱歡迎各界朋友惠顧,我們愿以最優(yōu)質(zhì)的服務(wù)與您攜手共創(chuàng )美好的未來(lái)!
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