試泵間 的英文怎麼說
中文拼音 [shìbèngjiān]
試泵間
英文
drafting pit-
And before leaving dairy products, the consumption of which have grown substantially in east asia in recent years, one should at least mention processing developments such as pumping technology, mechanical churns and later continuous churns in cheese - making, pasteurization, and the development of tests for butterfat content in milk production, and in butter production, the invention in the late 1870s of the centrifugal cream separator by the swedish scientist gustav de laval
在結束乳酪業的討論之前，我想指出，東亞近年來對乳酪品的消費一直在持續增長，並且加工技術有了發展，其中包括乳酪製作方面的水泵技術、攪拌筒（后來的間歇性攪拌筒） 、牛奶生產方面的高熱殺菌、奶油含脂量的測試技術以及奶油生產方面的乳脂分離器。Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - test methods
房間取暖和製冷用帶電動壓縮機的空氣調節裝置液冷組件和熱泵.試驗方法Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - test conditions
房間取暖和製冷用帶電動壓縮機的空氣調節裝置液冷組件和熱泵.試驗條件Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation
作者在參閱大量國內外有關文獻，著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法，提出了採用電測法並結合電機效率特性曲線測量水泵軸功率，從而避免了損耗分析法中大量復雜的中間過程，滿足了試驗裝置的自動化測量要求；採用漏磁感應線圈法測量電機轉速，彌補了其它轉速測量方法對水下電機測試的局限性，適應了萊恩公司開發潛水電泵的實際需要。Energy conservation and and reformation of power plants " heat installation affect a lot on the efficient performance of opertion of power plant. pump and fan take a large proportion in power plant and resume much electric energy. so there is much energy conservation pationlity in them. and we should have strong tools and theories " support to reform them. we can combine the theory modeling and engineering design manufacture by the bussiness software such as fluent. in order to take full advantage of the powerful function of fluent and increase absolutely its conveniece and interaction, we should develop fluent secondly. this paper puts the idea firstly demostricly to substitute the performance test of pump and fan to get the integrative system of the optimization and computer aid design, and so we can increase greatly of the efficiecy and quality of the facility reformation. the main idea about the secondary development of fluent in this paper is based on the secondary development of gambit, the modeling and meshing s oftware of fluent, and simplify the modeling and meshing of gambit. meanwile, the data management base on web browser kind is adopted for the convenience of optimization and parameterization, and the journal files createdly recently can get new medeling and meshing files that can be used by fluent. so the designer can focus on the computer scheme and the result analysis without care the fussy designing and optimiziation. so we can increase greatly the optimization efficiency
泵與風機在電廠中占較大數量比例，且消耗大量電能，節能潛力巨大，對其改造需要強有力的工具和理論支持，用商用cfd軟體如fluent可實現泵與風機改造中的理論模擬與工程設計製造間的結合。為了充分發揮fluent的強大功能，又能最大程度地提高其方便性與交戶性，應對其進行二次開發。本課題在國內首先提出對fluent進行二次開發，替代泵與風機性能試驗，形成一體化的優化、輔助製造系統，可大大提高設備改造的效率與質量，其主要思想是基於fluent的cad構體軟體gambit進行二次開發，簡化了泵的構體過程，同時，為了優化及參數化方便，採用基於webbrowser的數據管理方式，生成新的記錄文件同時產生新的fluent計算能識別的圖形網格文件，這樣就將設計優化者從繁瑣的圖形設計及優化中解脫出來，專注于對計算方案的確定及計算結果的分析，極大地提高了設計優化的效率。There will be a great future if we integrate solar energy utilization techniques into heat pump techniques. on the base of integrating the two techniques, the paper analyzed the art trait of heat pump water heater, the manner of integration, the essential theory ; and developed a small capacity direct expansion solar - assisted heat pump water heater, and tested its thermal performance on the condition of different weather such as sunshine, overcast sky & night. the results make clear a small capacity direct expansion solar - assisted heat pump water heater can absorb not only solar energy but heat energy in air ; it takes on favorable thermal performance, on the condition of different weather such as sunshine, overcast sky & night, coph is about between 3. 5 ~ 5. 0, eer is about between 2. 5 ~ 4. 5, these are better than traditional air source heat pump water heater and non - direct expansion solar - assisted heat pump water heater, and it takes between 2 and 3 kwh to heat 270 kg water from 20 c to 50 c, it is very great in terms of saving energy and protecting environment,
本文在結合太陽能利用與熱泵技術的基礎上，分析研究了太陽能熱泵熱水系統的技術特點；太陽能集熱系統與熱泵系統的結合方式；直接蒸發式太陽能熱泵熱水系統的基本理論；研製出小功率直接蒸發式太陽能熱泵熱水系統樣機，並在晴天、陰天、夜晚等不同的天氣情況下對其進行了試驗，實驗結果表明：本小功率直接蒸發式太陽能熱泵熱水系統不但可以有效地吸收太陽能，還能有效地吸收空氣中的能量，具有良好的熱性能，在不同的天氣情況下，其制熱系數cop _ h大約在3 . 5 5 . 0之間，優于傳統的空氣熱泵和非直接蒸發式太陽能熱泵熱水系統：其效能比eer大約在2 . 5 4 . 5之間，將270kg水從20加熱到50隻需用電2 3度，節能及環保效果明顯。Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors - heating mode - testing and requirements for marking for sanitary hot water units
帶電動壓縮機的空調器.液體製冷設備和熱力泵.加熱方式.衛生間熱水裝置的試驗和標記要求The author chose two typical rooms to study floor radiation heating system, analyzed change of temperature of every radiation surface in detail, and computed and analyzed the exchanged quantity of heat and room quality of room comfort. the paper analyzed the running parameters - temperature, flux, cop etc - of the gshp combined floor radiation heating system of four conditions which depend on the amounts of the turned on single vertical u - tube heat exchanger. the four conditions are as follows : condition that turning on 26 heat exchangers, condition that turning on 12 heat exchangers, condition that turning on 16 heat exchangers, condition that turning on 20 heat exchangers
本論文選擇了兩個典型房間主要對地板輻射採暖房間的各輻射面的溫度變化情況進行了詳細的分析，並對地板的散熱量和房間的舒適性進行了計算分析;並且以開啟不同數量的地源熱泵埋管換熱器進行了四個工況的測試並進行了詳細的分析和計算，分別為開啟全部地下埋管、開啟埋管12組、開啟埋管16組、開啟埋管20組。Through incision experiment on the impeller of circulating pump times and times, the relation between the size of incision and the capacity and head of the pump was discussed, the law of performance was summarized after the impeller is incised, the existing formula was revised
摘要經過對混流泵葉輪多次切割試驗，探討了葉輪切割量與泵的流量、揚程之間的關系，總結了混流泵葉輪切割后的性能變化規律，進而對現有公式進行了修正。By way of analysis of heat transfer process of the field - test model, the author formulated a 3 - dimensions heat transfer model which is correspondent to actual performance of buried pipe - in - pipe heat exchanger. coupled with field testing data, the short and long term operation features has been thoroughly analyzed by finite element solution and forward finite - difference analysis of the heat transfer differential equations of buried pipe - in - pipe heat exchanger. by interpreting regularity of continuous and intermittent operations of buried pipe - in - pipe heat exchanger, its heat transfer mechanism has been further explained in this thesis
本文通過對試驗模型熱過程的深入分析，建立了與實際地下埋管換熱器結構參數相吻合的三維傳熱數學模型，通過有限單元法和向前差分法求解相應微分方程並對分析結果進行關聯耦合，詳細分析了埋管換熱器的短期和長期運行特性，對地源熱泵套管式埋管換熱器連續運行、間斷運行規律進行了解析，進一步弄清了埋管換熱器的傳熱規律。Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - part 3 : test methods
用於空間加熱和製冷的帶電驅動壓縮機的空調液體製冷包裝件和熱泵.第3部分:試驗方法Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - part 2 : test conditions
用於空間加熱和製冷的帶電驅動壓縮機的空調液體製冷包裝件和熱泵.第2部分:試驗條件分享友人