heat release rate 中文意思是什麼

heat release rate 解釋
放熱率
  • heat : n 1 熱；熱力；熱度；熱量。2 體溫；發燒。3 （氣候的）高溫，暑氣。4 【冶金】熔煉的爐次；裝爐量；一...
  • release : vt 1 放（箭等），投（炸彈）；解放，釋放（囚犯、俘虜等）；使免除；救出；解除（痛苦、債務等） （fro...
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  2. 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。
  3. The acquistion system is mainly used to measure the most important parameters ： the heat release rate and the temperature

    檢測系統主要用於測試火災中最為重要的兩個特性參數：熱量釋放率和溫度。
  4. We can get many physical parameters through indicator diagram acquired in the experiment. such as indicator work, mean indicated pressure, maximal pressure and corresponding crank angle, maximal rate of pressure rise and corresponding crank angle and mass fraction burned, heat release rate, etc. these physical parameters can analyze and show primary in - cylinder combustion process in engine

    通過實測的示功圖，經過計算整理可以獲得諸如指示功、平均指示壓力、最高燃燒壓力及其對應曲軸轉角、最高壓力升高率及其對應曲軸轉角、已燃質量分數、燃燒放熱率等物理量，可供進一步分析和揭示發動機缸內燃燒過程。
  5. In the aspects of burning, the ignition time and the regulation of heat release rate are affected severely by lng " weathering ". the ignition time is postponed obviously, and heat is more concentratedly released. in the aspects of exhaust, there are slightly influences on co, hc and nox, and no obvious influence on carbon smoke

    在燃燒性能方面， lng 「老化」后對發動機的著火時間和放熱規律有顯著影響，著火明顯推遲，放熱更加集中；在排放性能方面， lng 「老化」后對發動機co 、 hc 、 nox的排放略有影響，對碳煙的影響不明顯。
  6. By using the fundamental theories of combustion and a series of experimental study, the combustion characteristics of lpg are investigated. the main parameters such as indicator diagrams and heat release rate are calculated and analyzed

    利用燃燒基本理論，通過大量試驗，探索了火花點發動機燃用lpg的燃燒規律和特性，計算和分析了發動機燃用lpg時的示功圖、放熱率等主要燃燒特性參數的變化。
  7. Heat release rate of fires occurred in iso 9705 standard room

    9705標準房間熱釋放率實驗研究
  8. Standard test method for determining the heat release rate and other fire - test - response characteristics of wallcovering composites using a cone calorimeter

    用錐形熱量計測定墻面覆層材料的釋熱率及其它著火試驗響應特性的標準試驗方法
  9. At the conditions with the same fuel injection quantity per cycle and the same engine speed, with the increase of the additive mass fraction in the fuel, the ignition and heat release timings brought forward, the peak of heat release rate increased and the operating range at low engine load was enlarged obviously. however, excessive additives will make the engine be prone to knock, run rudely and shorten the operating range at high engine load

    在相同循環噴油量和相同轉速的條件下，隨著添加劑質量分數的增加， hcci著火和燃燒放熱提前，燃燒放熱峰值提高，低負荷工況范圍明顯拓寬，但過高的添加劑質量分數會使得發動機爆震，工作粗暴，導致高負荷工況變窄。
  10. Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  11. Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    文摘:運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  12. It can be seen that fire growth and heat release rate curve can be obtained through the calculation of fire load and the estimation of fire spread, which can provide the input for the latter work and enhance the efficiency of fire protection analysis observably

    可以看出，根據火災荷載的計算和火災蔓延可能性的討論，得到火災發展的變化情況和熱釋放速率曲線，能夠為之後的工作做好前期準備，同時顯著提高這項工作的效率。
  13. The feasibility of oxygen - enriched combustion in diesel engines was analysed in theory from aspects of heat release rate of fuels and combustion products

    通過對燃料燃燒的放熱效率及燃燒生成物進行分析，進而對柴油發動機富氧燃燒的可行性進行理論分析。
  14. The results indicate that the critical ventilation speed is direct ratio to the heat release rate and reverse ratio to the height of the smoke barrier which lies in the stairs ' access between platform and concourse

    研究表明：臨界通風速度與火災熱釋放速率成正比，與站臺和站廳間樓梯口處的檔煙垂壁高度成反比。
  15. The new concept of combustion in i. c. engines, hcci combustion mode, becomes the highlight of current researches for its outstanding advantages of low nox, pm emissions and high thermal efficiency. the control of auto - ignition time and heat release rate is the most difficult technical question in realizing hcci combustion

    為了實現內燃機的高效、清潔燃燒，國內外學者都把內燃機的新概念燃燒作為研究重點，尤其是hcci燃燒模式以其低nox 、 pm排放，高熱效率的突出優點成為當前研究的熱點。
  16. Standard test method for determining the heat release rate of upholstered furniture and mattress components or composites using a bench scale oxygen consumption calorimeter

    用小型耗氧熱量計測定裝飾傢具和床墊部件或組件的放熱率的標準試驗方法
  17. Test method for determining the heat release rate and other fire - test - response characteristics of wallcovering composites using a cone calorimeter

    用錐形量熱計測定墻面覆層材料的熱釋放率及其它著火試驗響應特性的方法
  18. Test method for heat release rate of building materials

    建築材料熱釋放速率試驗方法
  19. Disturbances in the recirculating flow regime can produce related variations in the heat release rate in the primary mixing region.

    迴流區域內的擾動可使主要混合區內熱量釋放發生相應的變化。
  20. This paper discusses the influence of several parameters in heat release rate formula on the working process and proceeds with numerical simulation to the working process in part load condition according to the locomotive character

    本文討論了放熱率中幾個參數對工作過程的影響，並且按牽引特性對部分工況進行了計算。
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