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- Focus:Energy analysis and calculation on vapor compression refrigeration cycle. 重點(diǎn):蒸氣壓縮制冷循環(huán)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(jìn)行推拉調整平衡,只要制冷循環(huán)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(zhì)的強烈吸附能力 ,可以促使吸附質(zhì)液體蒸發(fā) ,從而實(shí)現吸附制冷循環(huán)。
- 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控制算法對吸收式制冷系統的自動(dòng)控制系統的研發(fā)具有一定的實(shí)用價(jià)值。
- Development and application of the wind power refrigeration have important practical significance to save energy, improve the ecological environment in China. 開(kāi)發(fā)和應用風(fēng)力制冷技術(shù)對于節省常規能源、改善我國的生態(tài)環(huán)境都有重要的現實(shí)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(chǎng),采用往復運動(dòng)方式,實(shí)現布雷頓循環(huán)。
- 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. 本文基于理想費米氣體的狀態(tài)方程 ;分析了以理想費米氣體為工質(zhì)的量子Ericsson制冷循環(huán)中的回熱特征 ;推導出其制冷循環(huán)的制冷系數表達式 .
- Using the paramegentic salt restricted to the Curie law as the working substance,a general model of magnetic Brayton refrigeration cycle is established. 基于統計力學(xué)的性質(zhì)推導出了順磁系統的熱力學(xué)關(guān)系,并構建了以滿(mǎn)足居里定律的順磁材料為工作物質(zhì)的一般磁布雷頓制冷循環(huán)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(huán)的林德制冷系統,并分別對該系統的預冷循環(huán)和制冷循環(huán)進(jìn)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制冷循環(huán) (RAC/MC)和使用噴射器的冷卻循環(huán) (EJC)復合的一種新型節能循環(huán)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制冷循環(huán),進(jìn)行了理論分析和性能計算,揭示了該循環(huán)的一些特點(diǎn):對于一定的冷卻器出口溫度,對應一個(gè)使系統性能系數最佳的冷卻壓力,而且系統性能系數最佳時(shí)的冷卻器出口溫度與冷卻壓力的對應關(guān)系,可以用一個(gè)簡(jiǎn)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(guò)數值計算獲得了循環(huán)的一些重要的性能特性曲線(xiàn),分析了循環(huán)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,對四種磁制冷循環(huán)進(jìn)行了循環(huán)分析和比較,并對活性蓄冷器運行特點(diǎn)進(jìn)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. 基于不可逆布雷頓制冷循環(huán)模型,導出循環(huán)制冷率和性能系數之間優(yōu)化關(guān)系所應滿(mǎn)足的方程,利用數值解,研究?jì)炔豢赡嫘院蛡鳠岵豢赡嫘詫?yōu)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(xué)和熱力學(xué)理論,提出了一種以大量的處在無(wú)限深勢阱中的微觀(guān)粒子為工質(zhì)的量子卡諾制冷循壞模型。
- 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/噴射制冷循環(huán)的理論研究,特別是對噴射器工作特性進(jìn)行數值模擬,有助于改善實(shí)驗系統的制冷性能。
- Abstract R22 is the main present refrigerants used in cascade refrigeration cycle, which are controlled materials and need to be replaced. 摘 要 目前復疊式制冷循環(huán)中采用的R22制冷劑屬于受控物質(zhì),需要尋求新的替代制冷劑。
- Powerful refrigeration: Turbo air flow is adopted with high heat exchange rate and excellent refrigerating effects. 制冷強:采用渦流式風(fēng)流,熱交換效果絕佳,制冷效果好。
- Open tender for purchasing power transformer. 公開(kāi)招標購買(mǎi)電力運輸設備。