熱鉆孔 的英文怎麼說
中文拼音 [rèzhēnkǒng]
熱鉆孔
英文
thermal boring- 鉆 : 鉆Ⅰ名詞1. (打眼用的工具) drill; auger 2. (指鉆石) diamond; jewel Ⅱ動詞(用尖物在另一物體上轉動) drill; bore
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Characteristics : this product, designed to locate the hole of the board in hole drilling, features good crimple resistance, heat resistance, burning resistance and deformation resistance
本產品用於鉆孔時對板的孔用,有一定的抗皺,抗熱性,不易變形,不易燒焦等特點。Tubular heat exchangers ; tube pitches, diameter of bores in tube sheets, baffles and support plates
管式熱交換器.管心距管薄板的鉆孔直徑.擋板和支承The interior size and the calorific capacity of the borehole are much smaller, moreover the temperature change is slow, so usually we can neglect the influence of calorific capacity but to consider according to the heat transfer in steady state process, thus we can establish one - dimensional and the two - dimensional thermal resistance model in the borehole
而在鉆孔內部,包括回填材料,管壁和管內傳熱介質,與鉆孔外的傳熱過程相比較,由於其幾何尺寸和熱容量要小得多,而且溫度變化較為緩慢,因此通常可以忽略其熱容量的影響而按穩態傳熱過程來考慮,建立了鉆孔內的一維和二維的熱阻模型。Ground coupled heat pump system two vertical and two inclined bore holes 32 metres into the earth capture underground heat and provide cooling or heating
地源熱泵系統由兩個垂直和兩個傾斜的32米深鉆孔及埋管組成,利用地下蓄熱的特性提供熱源或冷源。Besides, practical load of the ghes varies with time. the variable load of ghes is decomposed as a series of pulse load, and the superimposition principle is employed to obtain the real temperature response of the ghes on basis of the theoretical solutions of a single borehole experiencing a constant heat flux
利用把具有摘要, . . . . . . . . . . . . . . .復雜邊界條件和熱源的問題分解為許多較簡單的問題的方法,把具有多個鉆孔的地熱換熱器溫度場化作許多單孔溫度場的益加,建立了多鉆孔地熱換熱器溫度場亞加模型。Our various products included : series38 50 open window spring door, series 46 spring door, series 64 70 73 75 76 80 81 82 90 112 push - pull window and series 360 degree versatile multi - function patent push - pull window, series 110 120 130 semi - hidden frame glass screen and wall profiles, over 100 series especial industrial profiles, eg : ceilings, cabinet, curly door, and bathroom and other ornate materials etc. over 2000 specification powder spraying and eletrophoretic coating profiles, products color series such as : based bronze, silver white, lusterless etc
主要的系列有: 110 120 140系列半隱框明框玻璃幕墻天花地板線風口衛浴壁櫃折疊門空氣凈化等系列。我司引進了數碼線切割機沖壓鉆孔等深加工設備,主要生產鋁製品:有電機殼音響散熱器移動軟盒嬰兒車沙灘椅等達100多個系列, 3500多個品種。顏色有古銅色銀白色亮銀砂銀黑色等多種色彩。Series of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800
系列高壓熱電偶阻及套管,熱電偶採用彈簧壓著式,保護套管和法蘭選用特殊合金材料鍛造,套管採用棒料整體鉆孔加工而成,與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬弧焊接,耐壓30mpa ,使用溫度0800 ,可長期使用在加氫裂化裝置裂解裝置,氣化爐等高壓設備中。The paper introduces the fundamentals of the temperature distribution in the borehole drilled in the frozen formation, and discusses the ascertainment of these parameters, including the mass quantity of circulation medium, the coefficient of thermal conductivity of drilling rods, the coefficient of the intensity of heat exchange and the coefficient of unstable heat exchange between the rock and the circulation medium, and the rising of the temperature of the circulation medium in the bottom of the bore
摘要介紹了凍土鉆孔內溫度分佈研究的理論基礎,其中主要討論了沖洗介質的質量流量、鉆桿桿壁的導熱系數、巖石同沖洗介質的熱交換強度系數與不穩定熱交換系數,以及孔底沖洗介質溫度升高值的確定。Pujiang tianhe crystal craftwork factory is a manufacture in all kinds of crystal frame crystal craftwork glass craftwork acrylic craftwork hotel commodity and crystal glass houseware and so on we have rebuilded design by ourselves milling machine profiled machine carve machine roll machine bevel edge machine and all kinds of produced machine such as drill machine press model machine inner - carve machine facet hot flex machine and silk - screen machine etc own professional designers machanician have immovable worker 120 thereinto high - grade antificer 5 intermediate 10 professional qc 15
廠里有自行改造設計的水晶玻璃平磨機異型機雕刻機滾圓機斜邊機,以及各類用於工藝品加工和生產的機器如鉆孔機壓型機內雕機刻面機熱彎機絲印機等。The concept of ghe efficiency is also introduced to discuss the effect of ghe construction parameters on its performance, especially that of thermal short - circuiting in the two branches of the u - tube. the geothermal heat exchangers often consist of a number of boreholes
通過引入了地熱換熱器鉆孔內效能的概念,從理論上定量分析了鉆孔內各項參數、尤其是兩支管之間的熱短路對傳熱的影響,為地熱換熱器的優化設計奠定了理論基礎。Wear - proof body is manufactured from bar stock of high temperature alloy. double - compound structure of wear - proof coated with double wear - proof layer prolongs service life
耐磨頭本體採用耐高溫合金鋼棒料整體鉆孔,外噴焊雙層耐磨層,形成雙重復合結構,延長耐磨熱電偶的使用壽命。Twist drills with parallel shank with carbide tips for drilling plastics thermosetting plastics
熱固性塑料鉆孔加工用鑲硬質合金鉆尖的直柄麻花In the external region, heat transfer between the u - tube borehole and the ground is considered with a model of a finite line - source in a semi - infinite medium, and it is the first time to achieve an analytical solution of the temperature distribution for a such a transient two - dimensional conduction problem by means of the green - function method
對單個鉆孔的傳熱劃分為兩個區域分別進行研究。在鉆孔周圍區域,將豎直u型管的傳熱簡化為有限長線熱源的傳熱問題,採用格林函數法首次得到了有限長線熱源溫度分佈的解析解。Nakano forging employs a sub press to carry out stamp forging of brass materials, which have superb hot - forging forming characteristics and can be punched in both the horizontal and vertical directions using the horizontal method and the closed die method
熱鍛造成型性優越的黃銅材料在模型鍛造時可通過模架模實現水平及垂直方向進行鉆孔水平式,合模式,可滿足顧客省材,省切割加工的需要,特別是數量越多其特點越明顯。In order to simplify the computation and be advantageous for the theoretical analysis, the soil partial heat transfer analysis uses the unstable condition heat transfer model analysis research regarding the drill hole outside
為了簡化計算,便於理論分析,對于鉆孔以外土壤部分的傳熱分析,需要採用非穩態的傳熱模型分析研究。The protective tube is made from special high temperature alloy steel and drilled, also coating round its surface to form double protection and prolong service life up to over a year
套管本體採用特殊高溫合金鋼,整體棒料鉆孔,表面經噴塗工藝處理,形成雙重保護,極大地延長了熱電偶的使用壽命,壽命可過一年以上。Based on an actual project, tests and analyses the heat exchanging performances of the vertical u - shaped ground heat exchanger, and obtains the heat release in summer and the heat absorption in winter of ground heat exchanger for unit well depth and the optimal drilling depth
摘要根據工程實際情況,對豎直u形地埋管換熱器的換熱性能進行了現場測試和分析,得出了單位井深地埋管的夏季散熱量、冬季取熱量及最佳地埋管鉆孔深度。The model assimilates the latest results in the research and is solved by numerical approach which is called finite - difference equation 。 combined with experimental system, this model simulates the temperature of the water which comes from ground heat exchangers and the round temperature field
結合實驗系統和傳熱模型,我們對製冷運行中地下換熱器的出水溫度及周圍溫度場分佈進行了模擬分析,並給出了鉆孔的平均傳熱系數的公式。According to this solution, the representative temperature response in a borehole wall can be determined, which varies with time under the condition of constant heat flux
由此得到工程上所關心的鉆孔壁的代表性溫度在恆定熱流情況下隨時間的變化。Compared to heat transfer in the external region of borehole, mass and heat capacity of materials inside the borehole are insignificant and negligible. thus, heat transfer inside the borehole is approximated as steady - state heat transfer except for analyses of short times ( a few hours )
與鉆孔周圍區域傳熱過程相比,由於鉆孔內材料的熱容量較小,因此除了討論短時間(數小時)的瞬變傳熱問題以外,可以忽略鉆孔內材料的熱容量,把該部分的傳熱近似作為穩態傳熱處理。分享友人