熱傳遞系數 的英文怎麼說
中文拼音 [rèzhuàndìxìshǔ]
熱傳遞系數
英文
coefficient of heat transfer-
Standard test method for measuring the steady - state thermal transmittance of fenestration systems using hot box methods
隔熱箱法測定主窗設計系統的穩態熱傳遞系數的標準試驗方法Thermal performance of windows and doors - determination of thermal transmittance by hot box method - complete windows and doors
門窗的熱性能.加熱箱法測定熱傳遞系數.完整的門窗U. glass in building - determination of thermal transmittance u value - calculation method
建築玻璃.熱傳遞系數Heat transfer coefficient
熱傳遞系數Thermal performance of windows, doors and shutters - determination of thermal transmittance by hot box method - part 4 : roller shutter boxes
窗門和百葉窗的熱性能.用熱箱法測定熱傳遞系數.第4部分:卷升百葉箱Thirdly, radiator performance test - bed thermal system control modeling and rule self - organizing fuzzy control simulation were studied. the water supply temperature, radiator inlet temperature, test room temperature based on water temperature regulation, air supply average temperature and test room temperature based on air temperature regulation total five controlled processes transfer function were set. finally, rule self - organizing fuzzy control simulation for two
通過試驗,辨識了散熱器實驗臺熱工系統中供水溫度、散熱器進水溫度、基於熱水系統調節的測試室溫度、送風平均溫度及基於送風系統調節的測試室溫度共5個被控過程的傳遞函數,並對基於熱水系統調節和基於送風系統調節的測試室溫度響應過程進行了規則自組織模糊控制模擬。U. glass in building. determination of thermal transmittance u value. guarded hot plate method
建築物玻璃.熱傳遞系數的測定Thermal performance of windows, doors and shutters - calculation of thermal transmittance - simplified method
門窗和百葉窗的熱性能.熱傳遞系數的計算.簡化法Thermal performance of windows, doors and shutters - calculation of thermal transmittance - part 1 : simplified method
門窗和百葉窗的熱性能.熱傳遞系數的計算.第1部分:簡化法Thermal performance of windows, doors and shutters - calculation of thermal transmittance - numerical method for frames
門窗和百葉窗的熱性能.熱傳遞系數的計算.框架的數值法Thermal performance of windows, doors and shutters - determination of thermal transmittance by hot box method - part 2 : frames
窗門和百頁窗的熱性能.熱箱法測定熱傳遞系數.第2部分:框Thermal performance of windows, doors and shutters - calculation of thermal transmittance - part 2 : numerical method for frames
窗門和百頁窗的熱性能.熱傳遞系數的計算.第2部分:框架的數值法In view of results obtained in the work, the commonly 共同 made assumption 假定 of equality 均等 of heat transfer coefficients for both the bundle and its additional surface may lead to certain 確定 errors 誤差 in heat transfer calculations and discrepancies between the calculated values of heating surfaces area and later operational needs of steam generator
在工作得到的結果,傳熱系數的做法為捆綁和它附加的表面在熱傳遞演算也許導致某些熱化表面的誤差值和蒸汽發電器之間的錯誤和差誤。Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm
首先,根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後,計算傳遞矩陣的頻率響應;最後,採用頻域回歸方法求出模型傳遞函數各次項的系數,進而通過一定的優化演算法確定模型的各個熱阻、熱容參數,使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。The theoretical s - transfer function of ground - coupled envelope is deduced by laplace transformation. a simple polynomial s - transfer function is estimated from the theoretical frequency response of the ground - coupled envelope by frequency domain regression method, then we can calculate transient heat conduction through the ground - coupled envelope. it provides a novel idea to calculate the transient heat transfer from ground - coupled envelope more simply and efficiently
用頻域回歸方法求出觸地結構多項式s -傳遞函數,通過實例驗證了多項式s -傳遞函數與理論傳遞函數的等價性,並計算出觸地圍護結構的反應系數、導熱z傳遞函數系數和地面瞬時熱流,這就為更簡單、高效地計算觸地結構動態傳熱提供了一種新的思路。Research on mtf measurement for thermal imaging systems
紅外熱成像系統調制傳遞函數mtf測試研究Compared to other ways, fdr method is very simple and efficient, and has high accuracy and fast computation speed
與其它方法比較,採用頻域回歸方法計算墻體的反應系數和導熱z傳遞函數更加簡單、效率更高。First, the step response of the steam temperature process is obtained by experimentation, and the transfer function of the controlled process is calculated out using the step response data of the process. then, the pid parameters of the control system are optimized using the obtained process transfer function. finally, simulations are carried out to show the performance of the optimization - before system and optimization - after system
首先通過現場試驗獲取過熱汽溫過程的階躍響應曲線,再根據試驗得到的過程階躍響應數據求取相應過程的傳遞函數模型;然後,根據傳遞函數模型進行控制系統pid參數的優化整定;最後,對優化前後的控制系統性能進行了模擬研究。Thermal performance of windows and doors - determination of thermal transmittance by hot box method - roof windows and other projecting windows
門窗的熱性能.熱箱法測定熱傳遞系數.屋頂窗和其他凸出窗Finally, the wall response factors are obtained simply by applying inverse laplace transforms on the polynomial s - transfer function, and conduction transfer function coefficients are obtained by applying z - transforms
在多項式s -傳遞函數基礎上進一步計算墻體的反應系數、導熱z傳遞函數系數和周期反應系數。分享友人