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- Focus:Energy analysis and calculation on vapor compression refrigeration cycle. 重點:蒸氣壓縮製冷循環的能量分析與計算。
- This constant push and pull adjustment for the balance as long as refrigeration cycle continue. 如此不斷的進行推拉調整平衡,只要製冷循環繼續下去。
- Great ability that adsorbent adsorb adsorbate was led to evaporation of adsorbate liquid,which adsorption refrigeration cycle are realized. 利用吸附劑對吸附質的強烈吸附能力 ,可以促使吸附質液體蒸發 ,從而實現吸附製冷循環。
- The DMC-PID control algorithm is to supply references to the research of auto-control system of the mixed absorption refrigeration cycle. 該文提出的預測智能PID控制演算法對吸收式製冷系統的自動控制系統的研發具有一定的實用價值。
- Development and application of the wind power refrigeration have important practical significance to save energy, improve the ecological environment in China. 開發和應用風力製冷技術對於節省常規能源、改善我國的生態環境都有重要的現實意義。
- Magnetic field is supplied by an electromagnet.Reciprocating movement and Brayton magnetic refrigeration cycle are adopted. 此系統利用電磁體提供磁場,採用往複運動方式,實現布雷頓循環。
- Based on the equation of state of the ideal Fermi gas, regenerative characteristics of the quantum Ericsson refrigeration cycle working with the ideal Fermi gas is analyzed. 本文基於理想費米氣體的狀態方程 ;分析了以理想費米氣體為工質的量子Ericsson製冷循環中的回熱特徵 ;推導出其製冷循環的製冷係數表達式 .
- Using the paramegentic salt restricted to the Curie law as the working substance,a general model of magnetic Brayton refrigeration cycle is established. 基於統計力學的性質推導出了順磁系統的熱力學關係,並構建了以滿足居里定律的順磁材料為工作物質的一般磁布雷頓製冷循環模型。
- To obtain the low temperature of 90 K, the Linder refrigeration cycle with pre-cooling cycle was set up.The pre-cooling cycle and refrigeration cycle of the system were designed. 摘要為了獲得90K的低溫,提出1套帶預冷循環的林德製冷系統,並分別對該系統的預冷循環和製冷循環進行了設計。
- A combined cycle refrigeration system(CCRS) is a new energy saving cycle consisting of the refrigeration cycle using mechanical compressor(RAC/MC) and the ejector cooling system using ejector(EJC). CCRS是使用機械壓縮機的製冷循環 (RAC/MC)和使用噴射器的冷卻循環 (EJC)複合的一種新型節能循環系統。
- The ideal super critical refrigeration cycle of CO 2 is analyzed. For a given outlet temperature of the cooler, there exists an optimum cooling pressure that maximizes the coefficient of performance(COP). 文中對理想的跨臨界CO2製冷循環,進行了理論分析和性能計算,揭示了該循環的一些特點:對於一定的冷卻器出口溫度,對應一個使系統性能係數最佳的冷卻壓力,而且系統性能係數最佳時的冷卻器出口溫度與冷卻壓力的對應關係,可以用一個簡單的代數式表示;
- By using numerical calculation,several important performance characteristic curves were generated. The influence of the quantum degeneracy,irreversibility and regeneration on the performance of a Bose Brayton refrigeration cycle was analyzed. 通過數值計算獲得了循環的一些重要的性能特性曲線,分析了循環的不可逆性和回熱特性對玻色布雷頓制冷機性能的影響。
- The theory of magnetocaloric effect is described.Four types of magnetic refrigeration cycle are discussed and compared.The characteristics of active magnetic regeneration are analyzed in this thesis. 本文首先闡述了磁熱效應的原理,對四種磁製冷循環進行了循環分析和比較,並對活性蓄冷器運行特點進行了分析。
- Based on the irreversible Brayton refrigeration cycle model, the satisfied equation about the optimal relation between the cooling rate and the coefficient of performance is derived. 基於不可逆布雷頓製冷循環模型,導出循環製冷率和性能係數之間優化關係所應滿足的方程,利用數值解,研究內不可逆性和傳熱不可逆性對優化性能的影響。
- Based on quantum mechanics and thermodynamics, a model of Carnot refrigeration cycle is proposed in which the working substance is composed of micro-particles contained in a potential well. 摘要本文根據量子力學和熱力學理論,提出了一種以大量的處在無限深勢阱中的微觀粒子為工質的量子卡諾製冷循壞模型。
- The king was shorn of his power by his nobles. 國王被手下的貴族們剝奪了權力。
- Abstract: A transcritical CO2 vapor-compression/ejection refrigeration cycle was studied theoretically with an accurate model of the ejector to improve the system's refrigeration performance. 文章摘要: 對跨臨界CO2蒸氣壓縮/噴射製冷循環的理論研究,特別是對噴射器工作特性進行數值模擬,有助於改善實驗系統的製冷性能。
- Abstract R22 is the main present refrigerants used in cascade refrigeration cycle, which are controlled materials and need to be replaced. 摘 要 目前復疊式製冷循環中採用的R22製冷劑屬於受控物質,需要尋求新的替代製冷劑。
- Powerful refrigeration: Turbo air flow is adopted with high heat exchange rate and excellent refrigerating effects. 製冷強:採用渦流式風流,熱交換效果絕佳,製冷效果好。
- Open tender for purchasing power transformer. 公開招標購買電力運輸設備。