熱風溫度計 的英文怎麼說
中文拼音 [rèfēngwēndùjì]
熱風溫度計
英文
hot-blast temperature indicator- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 熱風 : hot blast air; [氣象學] hot wind熱風乾燥 heated air drying; hot air seasoning; 熱風乾燥器 [化學] ...
- 溫度計 : [物理學] thermometer; thermograph
- 溫度 : [物理學] temperature
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In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula
本文針對一下部有集中熱源的地板送風空調小室,利用phoenics軟體,在計算分析小室內氣流的速度場及溫度場的基礎上,對對流熱轉移量的變化規律做了計算分析,最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關,並且得出了其相關關系式。This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation
本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫度超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。But when the wind - speed becomes above 1m / s hereafter, wind - speed increase for the cpu thermal siphon of transmit heat the ability ' s gain result the deceleration. so it is considered perfect when the wind - speed is 1m / s. through this experimentation we found that when the cpu thermal syphon cooling machine used acetone as working fluid, wind - speed 1m / s, cpu chip caloricty 60w, its volumetric heat release rate came to 1. 3 104w / ( m3k )
通過本次實驗測出所使用的cpu重力熱管散熱器在使用丙酮為工質,風速1m / s , cpu晶元發熱量為60w時,其體積散熱率達到1 . 3 104w / ( m3k ) ,能保證晶元溫度與環境溫度之差小於40 ,能很好的適應pentium -計算機長期運行的要求。Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air
經過本文研究發現,利用cfd技術可以有效地對空調室內氣流組織設計進行指導,全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下,利用具有良好貼附效應的送風口如方型散流器和條縫風口送風,空調室內的溫度場和速度場較均勻,室內的熱環境良好。The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality
( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method
兩方程湍流模型為基礎的壁面函數處理方法,對熱浮升力項採用了boussinesq假設,得到了收斂的溫度場、速度場分佈。在此基礎上,給出了熱力分層高度的計算方法,並分析了送風溫度、送風速度、圍護結構傳熱和熱源分佈等因素對熱力分層高度的影響。There are many advantages to heat by air condition system, but there are also many problems. the air distribution of air condition room is often designed according to the summer outdoor parameters. thus, in winter, the hot air will arise with the influence of buoyancy, which result in the decline of vertical temperature gradient and produce a successive of problems
空調送風供暖有著很多的優點,但也出現了很多問題,由於空調房間的氣流組織一般是以夏季工況為設計工況,在冬季由於送風熱氣流在浮升力作用下上升,引起垂直溫度梯度的增加,並產生一系列的問題,致使空調房間冬季室內熱舒適性較差、能源利用效率較低。There are three kinds of drying systems : hot air drying, dehumidifying drying, and natural drying ; however, hot air drying is the most popular drying system
本研究的目的為探討熱能回收技術的效能,在熱風乾燥系統中設計和研製排放濕熱氣和進入空氣接觸的熱能回收裝置,達到加熱進氣溫度,減少乾燥作業所需能源。In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production
通過對除濕塔的現場測試並結合理論計算,確定其熱質交換系數,並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔,處理空氣的風量、入口溫度和含濕量及除濕溶液流量、入口溫度和濃度對空氣出口含濕量的影響關系,為除濕設備的設計和指導生產運行提供參考。( 3 ) for parameterization of the sensible heat, the positively correlation between surface temperature and bulk transfer coefficient lead to a positive additional sub - scale flux. its magnitude is determined by the grid average roughness and average wind velocity on the reference level
( 3 )對區域感熱通量的計算而言,由於地表溫度和整體輸送系數產生一個正的次網格通量項,它主要由網格平均粗糙度和參考高度平均風速所決定。Firstly, system cooling load, ventilation flux and thermal and humid processing were calculated and its feasibility was showed from the temperature, humidity of indoor air and fresh air flux
首先進行了系統的負荷、通風量及熱濕處理計算,從室內空氣溫度、濕度和新風量三個方面說明其可行性。Several feasible boundary conditions of thermal environment computations are provided. numerical simulation of thermal environment in that residential district is carried out depending on theoretical studies, wind environment simulations and thermal environment testing mentioned above. distributions of wind velocity, pressure, turbulence and temperature in two different periods are investigated and analyzed, and feasibility of thermal environment numerical simulation is proved by comparison of temperature and velocity values between testing and simulation in some tested spots
提出幾種可行的熱計算邊界條件,在上述基礎理論研究、風環境模擬計算、熱環境測試等基礎之上對住宅小區熱環境進行了數值模擬,分析了兩種時段內風場、壓力場、湍流場及熱場分佈,並比較了部分地點溫度和風速測試值與計算結果的差異,論證了熱環境數值模擬的可行性。Analysing collected data, finds that chillness - tolerance of females is poorer than that of males, that the predicted effect of thermal sensation is not accurate by predicted mean vote ( pmv ) index, that evaluation on humidity sensation for males and females is almost the same except in a low - temperature environment where females are more sensitive to humidity than males, that draught sensation of females is more obvious than that of males, and that thermal comfort evaluation is affected by more environmental and psychologic factors besides thermal and humidity sensations
統計分析結果表明,女性的耐寒能力比男性差;預期平均評價pmv指標對男女熱感覺的預測效果較差;男女對濕感覺的評價無較大差異,只在溫度較低時,女性比男性覺得更潮濕;女性的吹風感比男性強;熱舒適評價不僅受熱、濕感覺影響,還受其他環境因素及心理因素的影響。In the light of engineering design and experience gainedin trial - production as well as through the process calculation of drying, es - sentials are indicated for the process control in high - analysis compoundfertilizer production in a urea unit, and they are maintenance of appropri - ate amount of fine recycle and proper hot blast temperature at the inlet of the dryer
根據工程設計及試生產中的經驗,並通過乾燥過程的工藝計算,提出了尿素系列高濃度復混肥生產中的工藝控制要點是保持適當的細返料量及合適的乾燥機進口熱風溫度。Fresh inlet temperature range which satisfies given error limits is achieved, and the effect of instrumentation precision on accuracy of test results is analyzed by calculating and analyzing uncertainties of sensible effectiveness tests
通過對顯熱效率測試的不確定度的計算與分析,得出了滿足給定誤差限的新風進口溫度范圍,並分析了儀表精度對測試結果準確度的影響。The thermal stress of ceramic regenerator resulting from its temperature difference and restricted extension and contraction has been calculated and analyzed, the result provides a theoretical basis for design and operation of high temperature air combustion system
對于由溫度分佈不均勻,陶瓷蓄熱體膨脹或收縮受限制而產生的熱應力進行了計算和分析,其結果為蓄熱式高風溫燃燒系統的設計及運行參數的選擇提供了理論依據。The heat balance equations on incineration of organic liquid waste in fluidized - bed incinerator with coal as auxiliary fuel is established in this paper. the relations between the feeding rate of auxiliary fuel and the lhv of liquid waste, the incineration temperature, and the preheated combustion air temperature have been discussed. this paper also discussed the relation between the lhv of liquid waste and combustion air temperature as the auxiliary fuel is not necessary, and provides the theoretical foundation for the design and operation on fluidized - bed incinerator
建立了以煤為輔助燃料的,有機廢液在流化床中焚燒的熱平衡方程,求得輔助燃料耗量與各影響因素的計算式,得出輔助燃料耗量與廢液中可燃基的低位發熱值、密相區燃燒溫度、熱風溫度之間的關系曲線,以及不需要輔助燃料時,有機廢液熱值與熱風溫度之間的關系,為流化床焚燒爐的設計與運行提供了理論依據。The main research contents are as follows : 1. build a steady - state simulation model of a general heat pump system, calculate system performances of using r22 and ( 30 / 70wt % ) r32 / r134a as refrigerants respectively, and get their performance curves as the working conditions change
主要研究內容如下: 1建立了常規熱泵系統的穩態模擬模型,對採用r22和( 30 70wt ) r32 r134a為製冷工質的系統分別進行了計算,得出其各自性能隨蒸發器進風或冷凝器進水溫度變化的關系。There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on
本文的研究工作主要包括以下幾個方面的內容: ( 1 )綜述了國內外相關的研究現狀和研究背景; ( 2 )簡介了置換通風的工作原理,並分析了它相對于混合通風的優良特性及評價指標、末端裝置等; ( 3 )對採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; ( 4 )對採用置換通風方式房間的熱力分層高度進行了模擬計算,並分析其影響因素,如:送風溫度、送風速度、圍護結構傳熱和熱源分佈等; ( 5 )擬合了無量綱熱力分層高度相應于送風溫度t 、送風速度v 、熱源間距離l和圍護結構傳熱q的經驗公式。Sensors are used to detect the content of water and the temperature of grains, to measure the velocity of influx and to position the grains in the drying machines respectively. thermal sensors are thermocouples to monitor the temperature of heated air current and thermo resistances to measure the temperature of grains on different surfaces ; water sensors include neutron probes and condensates to measure the content of water of grains before and after drying respectively ; the velocity of flow of grains is measured by the indicators of flow
溫度傳感器主要採用熱電偶和熱電阻,分別探測熱風溫度和乾燥機各個層面上的糧食溫度;水分傳感器主要採用中子式在線水分測量儀和電容式在線水分測量儀,中子式在線水分測量儀由於不受穀物解凍的影響,用來測量烘前穀物的水分,電容式在線水分測量儀用來測定烘后的糧食水分;在線流量計採用沖板式流量計,用來記錄排糧流量,統計產量。分享友人