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武隆電子工業用六氟化硫檢驗

信息編號:63905125 發布時間:2025/8/4 10:15:23
重慶科洋檢驗有限公司是一家依法成立并能夠承擔相應法律責任的第三方檢測中心。支持全國上門取貨、寄樣檢測,檢測周期短費用低,歡迎來電咨詢!在高溫電弧中,六氟化硫會發生分解和電離,伴隨著能量消耗,對導熱過程影響很大。因而,此時的熱導率可認為由兩部分組成,即標準熱導率和與分解、電離反應有關的分量。然而,對于氣體介質而言,它的傳熱能力往往不是單純的傳導作用,而在很大程度上依賴于對流傳熱。對流傳熱是由于局部壓力差的存在,使氣體介質產生宏觀的運動將熱量擴散出去。氣體介質的對流傳熱能力與氣體的比熱容及粘度等因素有關。其次,六氟化硫分子直徑比空氣中的氧、氮分子要大,使自由電子在六氟化硫氣體中的平均自由行程大為縮短,從而不易在電場中積累能量,因此減小了自由電子的碰撞游離能力。
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