cooling turbine 中文意思是什麼
cooling turbine
解釋
渦輪冷卻器-
Review on inlet air cooling technology for gas - turbine
燃氣輪機進氣冷卻技術淺析 -
Selection of inlet air cooling technology for gas - turbine
燃氣輪機進氣冷卻工藝的選擇 -
Brief introduction for gas turbine inlet air cooling system
淺述燃氣輪機的進氣冷卻技術 -
As to simple turbine, steam discards directly into atmosphere, or into condensator for cooling, then goes back to boiler for use
在簡單的渦輪機中，蒸汽被排入大氣，或進入冷凝器冷凝成水后流回鍋爐。 -
Numerical simulation of leading edge film - cooling of turbine stator blades
氣膜冷卻渦輪導向葉片流場數值模擬 -
The design features of 300 mw direct air - cooling turbine
直接空冷汽輪機的結構特點 -
The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased
本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。 -
According to the question of using natural cooling will prolong the period of opening cylinder for overhaul, we expound three modes for the steam turbine quickly cooled after being stopped, these are vacuum and aeration - cooling, pressure - air cooling and steam 1ing, then analysis and contrast them
摘要針對汽輪機採用自然冷卻方式會延長機組檢修開缸時間的問題，提出了汽輪機停機后的三種快速冷卻方式：抽真空通汽冷卻法、壓縮空氣強迫冷卻法和蒸汽冷卻法，並對這三種方式進行了比較和分析。 -
The contamination phenomenon of condensate water resulting from condenser leakage in operation of condensating steam turbine with open cycle cooling system by sea - water has been presented, the causes leading to condenser leakage being analysed, and leakage searching method as well as leakage preventing method under operation condition being given
摘要介紹海水開式循環冷卻的凝汽式汽輪機在運行中因凝汽器泄漏導致的凝結水污染現象，分析凝汽器發生泄漏原因，並給出運行狀態下凝汽器的查漏方法及其防泄漏措施。 -
In this paper. the conclusion of this paper has utility meaning in analysis on turbine blades cooling after some proper correcting of the geometry structure and boundary conditions
由於所採用的結構及計算域近似渦輪葉片的冷卻形式（主流加熱，內流通道冷卻） ，因此這種方法經過進一步的改進，可用於渦輪葉片冷卻的計算研究。 -
The ejected coolant interacts with the external flow near the endwall and generates aerodynamic and thermodynamic losses in the process. this reduces turbine stage efficiency and together with the consumption of cooling air is detrimental to the overall cycle efficiency
但這種方法中噴射的冷空氣與端壁附近的外流場相互作用產生氣動力和熱動力損失，並且消耗冷卻空氣，從而損害渦輪的整體循環效率。 -
One cooling method that has gained increasing importance is endwall film - cooling, where coolant air is discharged though discrete holes in the inner and outer endwalls of a turbine blade passage. after leaving the holes, the coolant forms a protective layer between the hot mainstream gas and the surface that is to be protected
目前廣泛採用的一種重要冷卻方法是渦輪葉柵端壁氣膜冷卻，該方法中冷空氣穿過渦輪葉片上內外端壁離散冷卻孔進行交換，且冷空氣流經冷卻孔后在主流熱空氣與被保護表面之間形成保護層。 -
The blade inner channel cooling is very important in the design of turbine blade, with the ever - increasing inlet temperature, the new heat transfer enhancement structures of higher performance are demanded. because of the complexity of the flow and heat transfer of the blade inner channel cooling, the numerical modulation is superior to the experiment. this thesis studied the blade inner channel cooling with the method of numerical modulation
葉片內部通道冷卻在航空發動機葉片的設計中佔有重要的位置，航空發動機進口溫度的增高對其提出了更高的要求。由於葉片內部通道冷卻的流動與傳熱的復雜性，數值模擬較實驗的研究方法有其優越性，本文利用數值模擬的方法對葉片內部通道冷卻進行了研究。 -
A new model for film cooling effectiveness computation on blade surface in a turbine cascade
渦輪葉片型面氣膜冷卻效率的計算模型 -
Application of mechanical draft cooling towers on a gas turbine power plant
機力通風冷卻塔在某燃機熱電廠的應用 -
Two good examples about conjugate heat transfer problem, one with cooling method, the other without cooling inside turbine blade were investigated
最後進一步地討論了渦輪葉片中無冷卻和有簡單冷卻通道情況下的流/熱耦合計算。 -
Haibo huang ( mechanical engineering ) directed by jianzhong xu cooling techniques in turbine have become more important since the extra high inlet temperature in turbine
隨著渦輪前溫度的提高，渦輪葉片的冷卻技術變得十分重要。渦輪葉片中流/熱耦合計算成為必不可少的熱環境分析手段。 -
Touch on developing large - flow and high - pressure ratio impressor and large - enthalpy drop turbine, reducing harmful emission, solving the major problems of high - temperature blade material, cooling, protective coating and single - grain blade casting, and comfirm some important manufacturing techniques
涉及了開發大流量高壓比壓氣機、大焓降渦輪，降低有害排放量，解決高溫葉片的材料、冷卻、保護塗層及單晶葉片鑄造等主要問題，並確認了一些關鍵的製造技術。 -
Based on these, the 200mw turbine unit of panxian thermal power plant is selected, and the key problems are analyzed, such as, selection of cool medium, flow path of medium, thermal stress during fast cooling etc. the cfd software is adopted, and the maximal thermal stress, the optimum cooling model and system, and the autocontrol scheme during fast cooling, are gotten. in the end, the results are applied in the site. the optimum cooling model and system, and the autocontrol scheme would be provided reference as the other similar units
於此，本文以盤縣發電廠200mw汽輪機為研究對象，對發電廠汽輪機組空氣冷卻裝置及系統現狀深入分析基礎上，應用cfd軟體數值模擬了不同工況時汽輪機缸壁溫度變化情況，對200mw汽輪機快冷過程中控制指標進行分析，優化機組的快速冷卻過程，合理快冷設備、系統，優化控制曲線，分析最大熱應力值及最佳冷卻方式選擇，同時，對現有盤縣發電廠汽輪機組快速冷卻系統進行優化改進，並進行了實驗與實施。 -
To research the energy transformation and utilization orderliness of the new proposed system is the main objective and content of this dissertation, as follows : about two thirds of the work output of the turbine is consumed by the compressor. traditionally, every way of inter - cooling adopted in gas turbine decreases the work consumption of compressor in some degree. through the spraying of water at the entrace of compressor, the air can be continuously cooled in compression so that the work consumption can be reduced greatly
本論文從以下幾個方面進行了研究：由於燃氣輪機循環中壓氣機消耗近2 3的透平出功，傳統上採用的各種間冷方式都一定程度地降低了壓氣機耗功；而壓氣機入口採用注水方式，可以對壓縮空氣進行連續冷卻，以達到大幅度降低壓氣機耗功的目的。
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