[雙語翻譯]空調外文翻譯--太陽能輔助型吸附式制冷空調系統(tǒng)的設計和建模

1、2600 單詞， 單詞，13500 英文字符，中文 英文字符，中文 4400 字出處： 出處：Alkhair M, Sulaiman M Y, Sopian K, et al. Design and modeling of one refrigeration ton solar assisted adsorption air conditioning system[J]. Journal of Solar Energy Engineer

2、ing, 2015, 137(1): 1-9.Design and Modeling of One Refrigeration Ton SolarAssisted Adsorption Air Conditioning SystemM Alkhair ，MY Sulaiman ，KB Sopian ，CH Lim ，E Salleh Abstract The modeling of the performance of a one r

3、efrigeration ton (RT) solar assisted adsorp-tion air-conditioning refrigeration system using activated carbon fiber/ethanol as the adsorbent/adsorbate pair has been undertaken in this study.The effects of hot water,cooli

4、ng water, chilled water inlet temperatures, and hot water and chilled water flow rates were taken into consideration in the optimization of the system and in the design of the condenser, evaporator, and hot water storage

5、 tank.The study includes analysis of the weather data and its effect on both the adsorption system and the cooling load. This is then followed by estimation of the cooling capacity and coefficient of performance (COP) o

6、f the adsorption system as a function of the input parameters. The results of the model will be compared to experimental data in a next step. [DOI: 10.1115/1.4027964]Keywords: solar energy, adsorption air conditioning

7、, activated carbon fiber/ethanol,cooling load1 IntroductionSolar radiation is a sustainable and clean source of energy of the world. Many technologies use this source of energy to com-pensate for the ever increasing pri

8、ce of fuel [1]. One of these tech-nologies is the solar cooling, which is compatible with this type of free energy source [2]. Solar cooling system introduces processes that are benign to the environment due to its zer

9、o rate of ozone depletion potential (ODP) and low effect on global warming potential, compared to other standard technology such as vapor compression [3].The adsorption cooling system is even friendlier to the environm

10、ent because it uses no moving parts, no corrosion, no noise, and utilizing low source temperature.The only disad-vantage is its low COP and cooling power [4].In the adsorption cooling system, the interaction occurs betwe

11、en solid and fluid under thermal gradient and the cycles are induced by controlling the valves. The driving components are heat exchangers [5].Adsorption cooling systems differ from each other in the adsorbate/refrigera

12、nt used. Silica gel-water, zeolite-water, activated cooling capacity and COP of the system according to the operating parameters. The four phases of the adsorption cycle are shown in Fig. 2, and consists of isosteric he

13、ating, desorption, isosteric cooling, and adsorption. In phase I (isosteric heating), the adsorber was heated from Ta to Tb with constant adsorbent con-centration with increasing of pressure from Pevap to Pcond.In phas

14、e II (desorption process), after passing the refrigerant to the condenser, the ethanol will condensate at a pressure of Pcond as the temperature will decrease from Tb to Tc with decreasing the concentration from its max

15、imum value to the minimum. Phase III (isosteric cooling), the adsorbent was cooled from Tc to Td at con-stant concentration Wmin as the pressure is also decreased to Pevap.Phase IV (adsorption process), the ethanol vapo

16、r was evaporated in the evaporator at constant pressure Pevap with increasing the concentration to its maximum value again. The equilibrium uptake of the activated carbon fiber–ethanol pair is given by the Dubinin–Astakh

17、ov (D–A) expression where Wo, n, and E for the activated carbon fiber/ethanol pair were found to be 0.797 kg kg-1, 2, and 138 kJ kg-1, respectively,El-Sharkawy et al. [18].3.1 Adsorption Isotherm. The adsorption rate was

18、 estimated using Eq. (2). Saha et al. [16] found a relation between ksav, and the constant of time diffusion Ds/R2p this is given in Eq. (3).El-Sharkawy and co-workers [19] studied the kinetics of the activated carbon fi

19、ber/ethanol pair using the thermo-gravimetric analyzer. It was found that the numerical value of Fo was 11. The surface diffusion Ds can be found using Eq. (4). The values of Ea and Dso were found to be 306.7×103 an

20、d 1.8×1012,respectively.3.2 Isosteric Heat of Adsorption. El-Sharkawy [20] calcu-lated the isosteric heat of adsorption for the activated carbon fiber/ethanol pair, and it can be described by the following equation: