穩態堆 的英文怎麼說
中文拼音 [wěntàiduī]
穩態堆
英文
steady-state reactor-
Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system
雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義According to whether there are later tectonic activities or not it can be divided into mountain planation surface, lower planation surface and buried planation surface. according to active condition, it can be divided into active surface, dormant surface, exotic surface and defunct surface. taking the base level into consideration, it can be divided into sea - eroded and deposited planation surface, denudated planation surface, snowline planation surface and upper eroded planation surface
依據夷平面形成后是否遭到後期構造變動將夷平面分為山地夷平面、原地夷平面和埋藏夷平面；依據夷平面的活動狀態可分為活動面、休眠面、外來面和廢止面；依據侵蝕基準面可分為海蝕-堆積夷平面、剝蝕夷平面、雪線夷平面和上部剝蝕夷平面；依據基底可分為穩定地帶上的夷平面和活動地帶上的夷平面；依據氣候帶可分為準平原、山麓面和聯合山麓面、雙層水平面和刻蝕平原、凍融山足面和凍融剝夷平原。Standard practice for manual sampling of stationary coal from railroad cars, barges, trucks, or stockpiles
從有軌電車駁船卡車或煤堆手工取樣穩態煤的標準實施規程It is reasonable and practicable that the equilibrium relationship between the gas relative humudity and the moisture of the pile is introduced into the mathematical simulation in transient process of the spontaneous heating
結果還表明，把氣流相對濕度與煤堆含水量之間的平衡關系引入自熱過程的非穩態數學模型，不僅是可行的，而且能夠更客觀地描述實際煤堆的自熱過程。3 ). the flow velocity and temperature change rapidly in hot plenum under the transient condition such as in the case of reactor scram condition. thermal stratification phenomena will be observed nearby the inlet of intermediate heat exchanger
在事故停堆后的瞬態分析中，熱鈉池的流場和溫場變化劇烈，並在中間熱交換器的入口附近形成穩定的熱分層。Abstract : a quantitative analysis for dynamic stability of a set of superconducting partial torus in a fusion reactor under a pulse current over a stationary current is given
文摘:對于聚變反應堆中超導載流磁體在穩態電流基礎上受到脈沖電流影響時的動力穩定性給出了定量分析方法。On the basis of the analysis of fundamental principle of thermoelectric refrigeration, the steady state mathematical model of the thermoelectric system was founded. according to the model, the theoretical analysis and calculation are made on various working conditions, and analyzed theoretically the effects on thermoelectric system which caused by hot and cold temperature difference, the device ’ s effective system figure of merit, the properties of the heat changers, which established theoretical basic for the opening up and design of the thermoelectric system and its performance test
在分析熱電製冷基本原理的基礎上，建立了熱電裝置的穩態系統數學模型，並依據該模型對熱電裝置系統進行了不同的工作狀態下的熱力分析計算，並就熱電裝置的冷熱端溫差、電堆片的優值系數、散熱器的散熱性能與熱電熱泵裝置性能的影響進行了理論分析，為熱電裝置的開發設計和現有熱電裝置的性能測試建立計算理論基礎。It is called thermal neutron because the average kinetic energy of the neutron is directly proportional to the temperature
指核反應堆在穩定的裂變率下達到自持鏈式反應的狀態。Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers
文摘:以雙流體模型為基礎，通過質量守恆方程和動量守恆方程的耦合，提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件，計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響，解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明，乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變，隨液滴尺寸多分散性的增大，極大堆砌分數增大；隨液滴平均尺寸的增大，多分散性對極大堆砌分數的影響減弱；當韋伯數足夠大時，液滴尺寸及其分佈對乳化液極大堆砌分數無影響A numerical model has been established which is suitable to cefr steady state and transient simulation. in these cases, a lot of calculation data have been accumulated during the analysis, including pro - process macro file named grid. mac, process control macro file named cal _ control. mac, and post - process fortran file named posdat. f. these data and files are very useful to thermal - hydraulical analysis of cefr and prototype pool - type lmfbr thermal design in the future
建立了一套適合快堆穩態和瞬態模擬的數值模型，積累了大量的計算數據，對整個計算過程作了整理，編制了前處理宏文件grid . mac ，過程數據控制文件cal _ contral . mac和后處理文件posdat . f ，對目前快堆堆內過程的熱工水力分析和今後原型快堆的熱工設計都有非常重要的意義和借鑒價值。The wavelet packet analysis applied in fault diagnosis system is studied in this thesis. using simulation fault data, uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies. to picked - up the eigenvectors reflecting different fault of sodium pump with availability, simulation results have shown its satisfaction in the identification
對小波包分析應用於故障診斷進行了研究，利用模擬出來的故障數據，將快堆鈉泵非平穩時變振動信號分解到不同層次和不同頻帶上，有效地提取出反映鈉泵不同故障（狀態）的特徵向量，在識別中得到了滿意的結果。Planation surface is a wide - ranging and undulating surface formed by planation in a long and relative stable period or in a decreacing - development period. it is near the base level and there always exists some deposits such as crust of weathering above it. planation surface is often uplifted or buried by the later tectonic activities
夷平面是在長期的地殼相對穩定時期或地殼下降發展階段，由廣泛的夷平作用以截斷面形式橫切所有先成的地層和構造的接近侵蝕基準面的平緩的地表形態，其上常有風化殼等碎屑堆積，常遭到後期的抬升切割或埋藏，分佈於地球的各緯度帶。The program fearpv is applied to 3 - d transient sealing analysis of nuclear pressure vessel during the total process, including bolt pretensioning process, heating and compression process, thermostated heating and constant pressure process, and the cooling and decompressing process. according to the analysis and computational results in this thesis, although the actual structure and work conditions of the pressure vessel in nuclear power station are much more complex than that of the pressure vessel model, the program fearpv still can get quite good convergence on the plasticity and
由本文分析計算可知，雖然電站核壓力容器的結構及計算工況較壓力容器模擬體復雜得多，然而反應堆壓力容器瞬態密封有限元分析程序對塑性迭代和接觸迭代仍具有很好的收斂性，數值穩定性好，得到的結果具有良好的規律性，在升溫、升壓、恆溫、恆壓、降溫和降壓等過程中其規律和壓力容器模擬體基本相似。分享友人