鋼軌溫度 的英文怎麼說

中文拼音 [gāngguǐwēn]
鋼軌溫度 英文
rail temperature
  • : 鋼名詞(鐵和碳的合金) steel
  • : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 鋼軌 : rail; metals; steel rail; railroad rail鋼軌間隙 dilatation joint; 鋼軌聯接板 joint bar; splice ba...
  • 溫度 : [物理學] temperature
  1. This paper analyzes the cause of small concaves around the welding seam in the long rail of guangzhou metro line 2, and presents preventive measures, such as increasing the under layer of the rail, limiting the weld seam, lowering the welding temperature etc

    摘要結合廣州地鐵2號線接觸焊焊接長的實踐,分析了產生焊頭表面小凹痕的原因,提出改變墊高的方式、縮小正火范圍、降低正火、限制接頭錯牙量等預防措施。
  2. This paper discusses aluminium heat welding principle, the application of aluminium heat welding technology in welding crane rails and infect of long rail temperature stress on buildings

    摘要介紹了鋁熱焊原理及其焊長技術在焊接起重機道中的應用,並對長鋼軌溫度應力對建築物的影響進行了深入分析。
  3. Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident

    近年來,隨著火車的提速造成的穩定和安全問題,道逐步轉為採用無縫焊接,隨著鋼軌溫度的變化,無縫可能會因為熱脹或冷縮的金屬特性並且在扣件阻力小而且路基較差的路段釋放能量,可能會發生嚴重變形,更甚者會發生脹跑道等嚴重鐵道事故,為了避免發生如此事故,有必要定期對應力進行檢測。
  4. For solving this problem, there are several ways of measuring the pts of the swr at present, such as demarcating path length, strain and stress, magnetic induction measurement and ultrasonic measurement. however, portable, universal and effective instruments or methods don ’ t appear up to now in china

    為了解決這個問題,目前已經有了多種檢測鋼軌溫度應力的方法,比如為標定長法、應變法、磁感應測量法和超聲波測量法,但是在我國,便攜、通用有效的檢測儀器或方法還沒有被研製出來。
  5. Abstract : heating curves of billet for heavy rail in reheating furnace are measured by use of dragging coupling methods. effects of fuel consumption, furnace temperature and heating time on billet temperature are studied and current thermal schedule of reheating furnace is evaluated, which provides the basis for optimizing and improving thermal schedule of reheating furnace

    文摘:運用拖偶法測量了重坯在梁加熱爐內的升曲線,分析了燃料消耗、爐與加熱時間對的影響,評價了現行的加熱爐熱工制,為優化、完善加熱爐熱工制提供了依據。
  6. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接中的應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量應力的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  7. Second, the random variables in reliability analysis of the steel rail are discussed. these random variables include the wheel load, the stiffness of the rubber pad and the bed, the temperature stress and the fatigue ultimate strength of the steel rail. and their probability distributions and parameters are discussed thoroughly

    其次,對可靠分析中涉及的隨機變量如輪載力、下膠墊剛、道床路基聯合剛應力及疲勞極限強的概率分佈類型和統計特徵進行了詳細討論。
  8. In this thesis, the 2 dimensional ( 2d ) and 3 dimensional ( 3d ) models of the sls of 316 stainless steel powder were constructed. apdl ( ansys parameter design language ) was used to control the density of thermal flow, velocity and path of scanning

    本文建立了316不銹粉末激光燒結的二維、三維模型;運用apdl語言控制熱源的熱流密、移動速以及掃描跡;研究了單層多道和單道多層燒結的場和應力場。
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