primary combustion 中文意思是什麼

primary combustion 解釋
初步燃燒
  • primary : adj 1 第一的,最初的,初級的;初等的;基本的;基層的。2 主要的,為首的,第一位的。3 原始的,根本...
  • combustion : n. 1. 燃燒,發火,點火。2. (有機體內營養料的)氧化。3. 騷動。
  1. Study on primary combustion zone of aeroengine combustor

    航空發動機燃燒室主燃區特性的研究
  2. First of all, this paper analyses present problems existing in the boiler combustion monitor system of power plants, then put forward the signification to realize precision measurement for the primary and secondary air speed of boiler and the necessary conditions to solve efficaciously this problem

    本文首先分析了目前電站鍋爐燃燒監測系統中存在問題,提出鍋爐實現一、二次噴口風速準確測量的重要性以及有效解決該問題所需要滿足的必要條件。
  3. 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。
  4. Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes

    在不同油氣比下,不同的雙級旋流器幾何參數(例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主燃孔孔布局等)對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物( co _ 2 、 co和nox )排放等燃燒性能的影響規律進行了研究。
  5. Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency

    本文通過對工業煤粉鍋爐熱平衡計算模型的分析,利用在線熱平衡計算,研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。
  6. The effects of such elements as primary flow total pressure, flow rate, degree of fuel rich, nozzle structure, flying speed and secondary combustion on ejecting mode performance were researched. it was found that thrust augmentation can be achieved on the condition that the flying mach number is above 0. 7. to deeply analyze thrust augmentation mechanism in low speed range, the research was further continued by changing secondary combustion organization and aft - body configuration

    研究了一次流總壓、流量、富燃程度、噴管結構、二次流來流速度、二次燃燒組織對引射模態性能的影響,發現實驗樣機構型在0 . 7ma以上的飛行條件下可以獲得推力增強,而在0 . 7ma以下無推力增強。
  7. These results show that since the existent defects of combustion device structure and its hypothetical circle of contact, these make a poor primary and secondary wind rigidity in operation and a too big actual circle of contact. in addition, the coal used is extreme prone to burn and reside in boiler. under such a condition, the coal powder ignites earlier in a short time and short distance when it leave the jet - combustioning device, and splashes the water cooler, eventually this results in a burned coal residue in boiler

    針對宏偉熱電廠410t / h燃煤鍋爐嚴重結渣問題,對燃煤的結渣性、爐內溫度工況及空氣動力工況等進行實驗研究,由於燃燒器結構和假想切圓選擇的缺陷,使得鍋爐在正常運行時,一、二次風剛性較差,實際切圓過大,加上目前燃用煤質屬于極易燃、易結渣煤質,致使煤粉在離開噴燃器很短的時間、較短的距離內開始著火,並沖刷水冷壁,最終造成爐膛結渣。
  8. Combustion system of power plant boiler is taken as the research object of this thesis. the research mainly focuses on the faults of boiler combustion system, such as flame center deflection, powder feed inequality or break, primary air pipe jammed, spontaneous combustion, and backfire or kill in burner spout

    本文以電站鍋爐燃燒系統為研究對象,主要圍繞鍋爐燃燒系統運行中可能出現的爐膛火焰中心偏斜、給粉機下粉脈動、一次風管道內堵粉、自燃、燃燒器噴口回火、滅火等故障展開研究。
  9. No. 4 boiler in niangziguan plant is main research object, in view of slagging and high - temperature corrosion of boiler, after this problem is analyzed and studied, we put forward the horizontal concweak ellipse cone combustion technology with primary air and secondary air added side secondary air

    本文以娘子關電廠4 ~ #爐為研究對象,針對鍋爐結渣和高溫腐蝕問題,通過分析研究,提出一、二次風同心反切加側二次風水平濃淡煤粉橢圓錐燃燒技術。
  10. 3 ) the secondary combustion ca n ' t affect the mixing degree and mixing efficiency between primary flow and secondary flow apparently, but the heat it ' s released can increase pressure, temperature

    其中,一次流噴管主要決定了摻混的程度,而引射摻混段的構型則主要決定了摻混的效率。
  11. But the real performance can be obtained is mainly determined by the ejected secondary mass flow rate, the mixing degree, the mixing efficiency, and the secondary combustion efficiency can be obtained. 2 ) the ejected secondary mass flow rate, the mixing degree and the mixing efficiency are synthetically affected by the configuration of rbcc engine, especially the mixer and the primary nozzle, in which the primary nozzle, including shape, number and distribution mainly determines the mixing degree ; while the mixer configuration primarily determines the mixing efficiency

    而實際能達到的性能則取決于實際的引射比及兩種流體的實際摻混程度、摻混效率和二次燃燒效率; 2 )引射發動機的構型,包括后體及一次流噴管的形狀、數量、配置等,對引射進來的二次流量、一次流和二次流之間的摻混程度和摻混效率起著主要作用。
  12. This paper with the thermodynamic control characteristics for 320mw supercritical power generation units and one through boiler of the former soviet union for example, briefly analyzes some essential characteristic of control, measure and protection of supercritical generation units and one through boiler, finally analyzes control strategies of the feed water system, the combustion system, the steam temperature system, agc and the primary frequency control system

    本文以前蘇聯超臨界機組熱控技術特點為例,簡要分析了超臨界直流爐大型機組控制、測量、保護的基本特點,並進一步分析了給水系統、燃燒系統、汽溫系統及agc 、一次調頻的控制策略。
  13. Based on the furnace chamber flame monitoring system, this paper designed and analyzed a combustion control system with the main steam pressure as the primary adjusting parameter and the total radiant energy of the furnace chamber as the subsidiary parameter, and compared the advantages of the system with emulation research and the experimental test

    在爐膛火焰監測系統的基礎上,設計分析了以主蒸汽壓力為主調、以爐膛總輻射能為副調參數的燃燒控制系統,並通過模擬研究和試驗驗證,比較了該方法的優越性。
  14. By heat - trial n cold - trial and operating experience in half a year, the practice prove that : the horizontal concweak ellipse cone combustion technology with primary air and secondary air added side secondary air, have the ability of preventing slagging ^ high - temperature corrosion and stable combustion onlow - load condition. shigeng - ling ( power engineering ) direected by prof

    經冷態和熱態試驗及半年來的運行考驗,實踐證明:一、二次風同心反切加側二次風水平濃淡煤粉橢圓錐燃燒技術,具有防止結渣、高溫腐蝕和低負荷穩燃的能力。
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