熱負荷強度 的英文怎麼說
中文拼音 [rèfùhéqiángdù]
熱負荷強度
英文
hot load strength-
The study on thermal load has stepped into the domain on lubrication and deposit, which also affect the thermal load and thermal intensity of engine as the rotary speed and gas temperature on abroad
國外對于熱負荷的研究已經深入到潤滑油、積碳等細小而關鍵因素對發動機熱負荷和熱強度的影響。The piston is the critical part of engine. it stands the great thermal load ; the thermal load and thermal intensity have greatly affected the durability, reliability and economy
對于活塞這樣承受很大熱負荷的發動機關鍵零件,其熱負荷和熱強度問題是影響發動機耐久性、可靠性和經濟性的關鍵問題。The stress of slag rests with the structure, physical characteristic, and heat transfer status of slag. taking no. 1 boiler of beilun thermal power plant as example, the walltube thermal stress and the destroying impact on slag are researched
得出鍋爐大范圍變負荷運行時熱應力能夠超過渣的強度極限引起渣結構破壞的結論,渣層的熱應力主要取決于渣的結構、物理特性和傳熱狀態。Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging
文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況,提出了若干技術改造措施包括,增大對流管表面積以增大對流段的熱負荷;增加輻射管的換熱面積;修正煙囪高度;換用新型燃燒器,變自然通風為強制供風,以增大燃燒器的發熱量,減小過剩空氣系數,節省燃料2 % 3 % ;在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換熱效果,從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging
針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況,提出了若干技術改造措施包括,增大對流管表面積以增大對流段的熱負荷;增加輻射管的換熱面積;修正煙囪高度;換用新型燃燒器,變自然通風為強制供風,以增大燃燒器的發熱量,減小過剩空氣系數,節省燃料2 % 3 % ;在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度;採用高溫輻射塗料增強輻射換熱效果,從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。And the conclusion is that downing load can distory the small slag and outer part of thick slag, which is helpful to keep walltube clean and useless for preventing from furnace accident caused by slag
鍋爐降負荷運行有一定程度清潔爐膛水冷壁作用,能增強爐內傳熱,卻無法防止爐膛內結渣惡化發生嚴重事故。Reecat company adapts dc - power test system, go on speed performance test, load test, heat circulation test, durability test. use in motorcycle matching test, catalyst performance aging test
利凱特使用的是直流電力測功機系統,可進行速度特性試驗負荷特性試驗熱磨合循環試驗強化耐久試驗,主要用於摩托車匹配試驗和催化劑性能及老化試驗。Reecat company adapts dc - power test system, go on speed performance test, load test, heat circulation test, durability test. use in motorcycle matching test, catalyst performance & aging test
利凱特使用的是直流電力測功機系統,可進行速度特性試驗、負荷特性試驗、熱磨合循環試驗、強化耐久試驗,主要用於摩托車匹配試驗和催化劑性能及老化試驗。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。The original design was intermediate vapor 42t / h, but the actual output is 30 - 35t / h, at the same time the temperature and pressure of the vapor are unstable, it affects the economic efficiency, the reason were the collecting dust on the heat area and serious corrision, they led to the decrease of the boiler load, and need stop to washing the dust, the article deals with the reform of the exhaust gas boiler, at the basic of the design condition, after thermo calculation, flute gas, resistence calculationand strenth calculation, the structure of the heat surface had been rearranged, then the proof calculation was done
原設計產中壓蒸汽42噸時,但投運后只產30 - 35噸時,並且蒸汽溫度和壓力均不穩定,影響到經濟效益。其原因是受熱面積灰和腐蝕嚴重,影響傳熱使鍋爐負荷下降,不能長時間運行,需停產清理積灰。本論文針對此余熱鍋爐的技術改造,在給定設計條件基礎上,通過熱力計算,煙氣阻力計算和強度計算,對鍋爐受熱面結構重新布置,然後再作校核計算。So when the underfloor air supply system is been used in engineering, different supply air speed will be adopted on the basis of different heat intensity of upside and low side of room. so to economize energy
所以工程上採用地板送風時,應根據房間上下部熱源強度的不同,採用不同的送風速度,從而減少對流熱轉移負荷,在工程上達到最大的節能。The marine refrigerated containers are of great mobility, and the changes of the outside air temperature, seawater temperature, the sun radiation intensity and the transported goods bring the changes in the latent and display heat load of refrigeration system
海運冷藏集裝箱流動性大,隨著外界氣溫、海水溫度、太陽輻射強度和運送貨物的變化,冷藏集裝箱製冷系統的顯熱和潛熱負荷隨之不斷變化。Plastics - determination of temperature of deflection under load - part 3 : high - strength thermosetting laminates
塑料負荷變形溫度的測定第3部分:高強度熱固性層壓材料In the paper, the following work was accomplished by theoretical analysis, numerical simulation and experiments : this paper analysis the weather character in beijing, solar irradiance in south wall of buildings and inner surface temperature of south windows and wall in winter has been calculated hourly. with the winter solar irradiance character, calculating the hourly heat load
主要研究內容如下:本文對北京地區的氣候進行了分析,對冬季建築物壁面的太陽輻射強度、南外窗和南外墻的內壁溫進行了逐時計算,並結合冬季太陽輻射的特點進行了逐時熱負荷計算。分享友人