小型風(fēng)冷吸收式制冷研究進(jìn)展
發(fā)布時間:2018-10-14 17:15
【摘要】:現(xiàn)有風(fēng)冷吸收分別對傳熱與傳質(zhì)加以強(qiáng)化,絕熱吸收有助于實(shí)現(xiàn)吸收器小型化,但存在溶液再循環(huán)量過大和再循環(huán)泵能耗大的問題。該文結(jié)合噴射器與超聲波二者優(yōu)勢,以實(shí)現(xiàn)太陽能吸收式制冷機(jī)小型風(fēng)冷化、高效化為目標(biāo),提出一種基于噴射器-超聲波的絕熱吸收制冷循環(huán),以期利用噴射器回收溶液節(jié)流損失并提高吸收器壓力,減少再循環(huán)倍率,利用超聲波在絕熱吸收器內(nèi)的真空霧化增大吸收傳質(zhì)過程空間和時間,增強(qiáng)吸收效果。
[Abstract]:The existing air-cooled absorption enhances heat and mass transfer respectively. Adiabatic absorption is helpful to realize the miniaturization of absorber, but there are some problems such as excessive recirculation of solution and high energy consumption of recirculating pump. Based on the advantages of ejector and ultrasonic, a new adiabatic absorption refrigeration cycle based on ejector and ultrasonic is proposed in this paper, aiming at the realization of small air cooling and high efficiency of solar absorption refrigerator. In order to recover the loss of solution throttle and increase the pressure of absorber and reduce the rate of recirculation, the vacuum atomization of ultrasonic wave in adiabatic absorber is used to increase the space and time of absorption mass transfer and enhance the absorption effect.
【作者單位】: 河南科技大學(xué)制冷熱泵空調(diào)技術(shù)研究所;
【基金】:河南省高等學(xué)校重點(diǎn)科研項目計劃(15A480001) 河南科技大學(xué)青年科學(xué)基金(2015QN007);河南科技大學(xué)博士科研啟動基金(13480020)
【分類號】:TB651
[Abstract]:The existing air-cooled absorption enhances heat and mass transfer respectively. Adiabatic absorption is helpful to realize the miniaturization of absorber, but there are some problems such as excessive recirculation of solution and high energy consumption of recirculating pump. Based on the advantages of ejector and ultrasonic, a new adiabatic absorption refrigeration cycle based on ejector and ultrasonic is proposed in this paper, aiming at the realization of small air cooling and high efficiency of solar absorption refrigerator. In order to recover the loss of solution throttle and increase the pressure of absorber and reduce the rate of recirculation, the vacuum atomization of ultrasonic wave in adiabatic absorber is used to increase the space and time of absorption mass transfer and enhance the absorption effect.
【作者單位】: 河南科技大學(xué)制冷熱泵空調(diào)技術(shù)研究所;
【基金】:河南省高等學(xué)校重點(diǎn)科研項目計劃(15A480001) 河南科技大學(xué)青年科學(xué)基金(2015QN007);河南科技大學(xué)博士科研啟動基金(13480020)
【分類號】:TB651
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