壁厚計 的英文怎麼說
中文拼音 [bìhòujì]
壁厚計
英文
wall thickne gauge-
Abstract : the paper introduces a kind of method of connecting optimal design of the hydraulic manifolds and establishes the mathematical model based on the constraints of fluxing area and distance between the connecting tubes in the manifolds. a kind of algorithm is provided at the end of it
文摘:介紹了一種液壓集成塊孔道優化設計方案,建立了以通流面積和壁厚為約束條件的數學模型,並給出了相應的演算法。Aimed at tube curve by sun shining, it analyzes and calculates the instance of curve when tube up and down face have difference in temperature, and discourses upon it influenced degree to cannon firing accuracy. for hot spread asymmetry caused tube curve, it explains it ' s form cause. for irregularly hot stress acting tube curve, it stressfully analyzes effect of body tube wall thickness difference
重點分析了身管熱彎曲產生機理,針對太陽照射下的身管彎曲,分析計算了身管上下表面存在溫度差時的彎曲情況,論述了其對火炮射擊精度的影響程度;對于散熱不均引起的身管彎曲說明了其形成原因;對于不規則熱應力作用下的身管彎曲重點分析了身管壁厚差的作用。During the processes, the container - truck strikes the guardrail twice and nearly capsizes, then recovers from the capsizal and separates from the guardrail ; the crashworthiness of several kinds of guardrails is evaluated by changing its size and thickness, and its design is guided under the simulation result ; the joint simulation is discussed and calculation method of its resistance moment is proposed
對車輛的碰撞過程進行了描述:車輛在碰撞過程中發生了二次碰撞並且有傾覆現象,最後車輛恢復正位,順利沿護欄導出;通過改變護欄欄桿的尺寸和壁厚,評估了多種護欄的耐撞性並指導了護欄的設計;討論了集裝箱汽車列車鞍座結構的處理,提出了鞍座阻力矩的計算方法。Taking thickness of web members and main chords as design variables and the lightest weight of crane booms as objective junction, considering constraints of rigidity and stability etc., this paper establishes the math model of optimal design
摘要選取起重機臂架的腹桿壁厚和各節臂架的主弦桿壁厚為設計變量,以最小重量為優化目標,考慮剛度和穩定性等約束條件,建立優化數學模型。On the base of the basic structure study of the tooth - locked quick closure vessel of middle and low pressure with crown head, the optimization method of parameterized whole device is presented in this paper, the emphases of research is put on optimization of the tooth - locked quick closure device whose structure and load distribution is complicated, the wall of vessel, however, is designed according to the existing strength formula
本文對帶有球冠形封頭的中、低壓齒嚙式快開容器的基本結構進行研究的基礎上,提出了齒嚙式快開容器的參數化整體優化方法,研究重點放在結構和受力復雜的齒嚙式快開裝置的優化,對于容器簡體壁厚仍採用現有強度公式設計。The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method
最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。At last, the impact of the monolith length, cell density, wall thickness and noble metal dosage on the light - off characteristic and conversion efficiency of three - way catalytic converter are analyzed and could provide a guide for the optimization of three - way catalytic converter
本文還對載體長度、孔密度、孔道壁厚和催化劑用量對催化轉化器起燃特性和轉化效率的影響進行了分析,為載體參數的優化設計提供了依據。The influence of the injection pressure to the mold cavity thickness was analyzed, formulas of circular mold cavity thickness were calculated, providing theory basis for deciding the mold cavity dimension rightly
摘要分析了注射壓力對模具型腔壁厚的影響,推導了圓形型腔壁厚的計算公式,為合理確定注射模具型腔壁厚提供了理論依據。To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限壁厚研究」 ,針對起重機捲筒傳統設計方法偏於保守的情況,以薄殼理論和近代力學為基礎,以現代試驗技術為研究手段,對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究,在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上,提出了有別于傳統方法的捲筒強度、穩定性計算方法。Calculation of heater - tube thickness in petroleum refineries
煉油廠加熱爐爐管壁厚計算The selection of pipe wall thickness, the calculation and design key points of the melt flow, melt pipe flow pressure fall and melt flow speed in the design of melt pipes were introduced in detail
摘要介紹了熔體管道設計中管道壁厚選擇、熔體流量、熔體管道流動壓力降和熔體流速等計算方法和設計要點。Under this background the engineering practice shows that the traditional design method of a drum wall could be conservative. such designing method often leads to a thicker drum wall which causes not only difficulties for welding drums " bending and machining, but also let increase the machines " own weight, i. e. reduce the effective performance of the cranes
但工程實踐表明,起重機捲筒傳統的設計計算方法偏於保守,用傳統方法設計現代起重機械的起升機構,會導致捲筒壁厚增加,這樣不僅對焊接捲筒的彎曲、加工帶來困難,而且往往會加大設備自重使起升機構工作性能降低。4. calculate the engaging distance between inserts and slots and the least thickness from bearing to contour of cone automatically. 5
自動計算相鄰牙輪之間牙齒與齒槽的最小嚙合間隙和牙齒底部到牙輪內孔的最小壁厚。By solving an inverse heat conduction problem, one method is given about to compute wall thickness of cylinder - shaped equipment based on the outer surface tempereture
摘要利用紅外測溫技術,結合導熱反問題求解,給出了一種根據圓筒外壁溫度計算筒壁厚的方法。In the paper, by fractional - dimension space model, the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions, radial intensity and bohr radius in zno / mgzno with different well width are studied firstly. secondly, the system dimension, exciton wave functions and absorption spectrum in hexagonal microtube zno film were calculated and simulated, and the confinement of microtube is discussed. then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled
本文利用分數維空間模型,首先研究了zno / mgzno量子阱中系統維度、激子波函數、徑向密度和波爾半徑隨阱寬的變化,從中反映了zno / mgzno量子阱中量子尺寸效應對激子態的影響;其次計算和模擬得到六棱微管zno薄膜的系統維度、激子波函數及吸收譜,討論了微管壁厚對激子的限制情況。This method is based on the lightening model by analyzing the parameters affecting the lightening efficiency, such as moore ratio of sodium, inner diameter and thickness of the tube, distance of electrodes, and availing of the experiences accumulated in the convetional design method
分析鈉摩爾分數、放電管內徑、管壁厚度、極間距等主要參數對其發光效率的影響,並總結傳統設計方法所提供的經驗,建立放電數學模型。Through the computation of the water hammer pressure in steel and pvc pipes with the characteristic line method, the influence of velocity of water, material and wall thickness of the pipes to the magnitude, crecent process and phase length of the water hammer pressure is analyzed
應用特徵線法,對鋼管及pvc管道中水擊進行計算,分析了管道中水流流速及管道材料、管壁厚度對管道中水擊壓強大小、水擊壓強的增長過程及其相長的影響。Abstract : tensile reducer is one of the necessary apparatuses during the pipe production process at present. this paper deduces a multi - variation formula by using the energy principle and adopting upper limit method. the formula can be used to calculate the parameters such as the drive power, tensile coefficient, roll speed, depth of exit pipe wall, hole type ellipse etc. the existence of minus drive power has also been theoretically calculated
文摘:張減機是鋼管生產中不可缺少的設備之一.本文從一般能量原理出發,採用上限法推導出一個多變量公式,利用該公式可求解電機功率、張力系數、軋輥轉速、出口鋼管壁厚、孔型橢圓度等參數,並且從理論上計算出電機負功率的存在Various kinds of carbon steel, alloy steel, stainless steel, 90 and 180seamless elbow, sharp bend elbow, plate tube, concentrated pipe and all kinds of pipe fitting made by of company with intermediate frequency induction heating bending shaping craft are features in smooth surface both in inside and outside, even thickness of pipe wall and other advantages, and our products are proved by state science technology commission, national ministry of labor and other authoritative department after the quality inspection that the products of us conforms to the national standard and different standards of different industries
公司採用中頻感應加熱推製成型工藝,生產的各種碳鋼合金鋼不銹鋼90 180無縫彎頭,急彎彎管盤管集合管及各種管道配件具有組織緻密,內外表面光滑,壁厚均勻等優點,經國家科委勞動部等技術權威部門對技術進行檢測均符合中華人民共和國國標及各行業標準。公司自行設計製造了3條推製成型流水線,可生產18 - 630的各種材質壁厚無縫彎頭。The characteristic of stresses in design by analysis, such as the self - limiting, the redistribution of load ( stress ) and the types of distribution through thickness will be discussed to co - workers at home and abroad
摘要對分析設計中各類應力的特性,如自限性和載荷(應力)再分佈、各類應力沿壁厚分佈的類型等和國內外同行進行討論。分享友人