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学者姓名：毕月虹
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Abstract ：
In order to solve the problem of the soil heat imbalance due to the year-round operation of the solar-ground source heat pump in regions with the large gap between cooling and heating loads, this paper proposes to collect and store solar energy in the soil in the transition season. Based on the heating and cooling design of a solar-ground source double effect LiBr-H2O absorption heat pump for an office building, the heat pump system considering the solar energy stored in the soil has been built on TRNSYS platform. The long-term operating simulation has been conducted. The soil-based energy storage effect has been evaluated with taking the soil heat balance as the objective. The necessity of using the soil-based energy storage in the transition season has been discussed based on dynamic performance analysis results. The results show that the average soil temperature in the single heating condition rises to 16.49 degrees C, which is stable around 15 degrees C in the double cooling and heating condition after 10-years operation. The soil heat imbalance rates under two conditions are 18.32% and 11.64%, respectively. It can be seen that soil heat imbalance can be solved by the soil-based energy storage in the transition season.
Keyword ：
Soil heat balance Soil heat balance Long-term operating simulation Long-term operating simulation Dynamic performance analysis Dynamic performance analysis Soil -based energy storage Soil -based energy storage Absorption heat pump Absorption heat pump
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| GB/T 7714 | Li, Yufan , Bi, Yuehong , Lin, Yashan et al. Analysis of the soil heat balance of a solar-ground source absorption heat pump with the soil-based energy storage in the transition season [J]. | ENERGY , 2023 , 264 . |
| MLA | Li, Yufan et al. "Analysis of the soil heat balance of a solar-ground source absorption heat pump with the soil-based energy storage in the transition season" . | ENERGY 264 (2023) . |
| APA | Li, Yufan , Bi, Yuehong , Lin, Yashan , Wang, Hongyan , Sun, Ruirui . Analysis of the soil heat balance of a solar-ground source absorption heat pump with the soil-based energy storage in the transition season . | ENERGY , 2023 , 264 . |
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Abstract ：
This paper takes the independent-developed special parabolic trough collector for the air-conditioning and the double-effect absorption chiller to build a solar cooling system, and simultaneously utilizes the ground heat exchanger(so-called SGAC system) to replace the traditional cooling tower as the heat exhausted side(so-called SAC system) in summer. The simulation model of SGAC is established on TRNSYS. The simulation calculation is performed for the building cooling during the whole cooling season in Beijing. The research results indicate that SGAC has a good stability and high efficiency during the whole cooling season. The performance comparison of SGAC and SAC has been carried out. The economy of SGAC system should also be considered in the determination of the main design and operating parameters. © 2020 Informa UK Limited, trading as Taylor & Francis Group.
Keyword ：
Thermoelectric equipment Thermoelectric equipment Air conditioning Air conditioning Absorption cooling Absorption cooling Cooling systems Cooling systems Solar collectors Solar collectors
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| GB/T 7714 | Huang, Jiabin , Bi, Yuehong , Qin, Lifeng et al. Design parameters and dynamic performance analysis of a high efficient solar-ground source cooling system using parabolic trough collector [J]. | International Journal of Sustainable Energy , 2021 , 40 (3) : 253-282 . |
| MLA | Huang, Jiabin et al. "Design parameters and dynamic performance analysis of a high efficient solar-ground source cooling system using parabolic trough collector" . | International Journal of Sustainable Energy 40 . 3 (2021) : 253-282 . |
| APA | Huang, Jiabin , Bi, Yuehong , Qin, Lifeng , Zang, Gaoli , Li, Hongyan . Design parameters and dynamic performance analysis of a high efficient solar-ground source cooling system using parabolic trough collector . | International Journal of Sustainable Energy , 2021 , 40 (3) , 253-282 . |
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Abstract ：
In this paper, an independent-developed solar parabolic trough collector (PTC) for solar air conditioning has been adopted in a solar air conditioning system with a three-phase accumulator. The composition and operation strategy of the system are elaborated in detail. In view of the measured data of the solar energy and the cooling load demand of buildings, the reasonable matching design of the solar collector, absorption refrigeration chiller and three-phase accumulator is carried out. On this basis, the dynamic performance of the solar air conditioning system with the independent-developed PTC is analyzed. The calculation and analysis results show that the solar air conditioning system with a three-phase accumulator can continuously and steadily supply cooling for buildings day and night. Cooperative operation of the solar absorption refrigeration with the PTC and the three-phase accumulator can not only improve the efficiency of the parabolic trough collector, but also ensure the high energy storage efficiency of the three-phase accumulator. The average parabolic though collector efficiency is 67.5%, the energy storage efficiency of the three-phase accumulator is 0.8, the solar fraction can reach 82.4%. Based on the economic analysis, the investment of the solar air conditioning system with a three-phase accumulator is acceptable. (C) 2020 Elsevier Ltd. All rights reserved.
Keyword ：
Building cooling Building cooling Dynamic performance Dynamic performance Solar air conditioning system Solar air conditioning system Three-phase accumulator Three-phase accumulator Independent-developed solar parabolic though collector Independent-developed solar parabolic though collector
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| GB/T 7714 | Bi, Yuehong , Qin, Lifeng , Guo, Jimeng et al. Performance analysis of solar air conditioning system based on the independent-developed solar parabolic trough collector [J]. | ENERGY , 2020 , 196 . |
| MLA | Bi, Yuehong et al. "Performance analysis of solar air conditioning system based on the independent-developed solar parabolic trough collector" . | ENERGY 196 (2020) . |
| APA | Bi, Yuehong , Qin, Lifeng , Guo, Jimeng , Li, Hongyan , Zang, Gaoli . Performance analysis of solar air conditioning system based on the independent-developed solar parabolic trough collector . | ENERGY , 2020 , 196 . |
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Abstract ：
The developing and utilizing of the renewable energy in the field of the building air conditioning is one of the effective environmental protection ways. This paper conducts the comprehensive environmental impact assessment of an absorption solar-ground source heat pump(ASGSHP) and a vapor compression ground source heat pump(VGSHP) using the life cycle assessment (LCA) method. The three stages in the whole life cycle, i.e., the manufacturing, transportation/installation and operation phase of these two systems which meet the cooling demand of an office building in Beijing are analyzed, respectively. The comprehensive environmental assessment indexes including the pollutant emissions, the global warming potential(GWP), the acidification potential (AP), the dust potential and the environmental impact load(EIL) in the whole life cycle of the two systems are calculated and compared with each other. The environmental impact load, GWP, AP and the dust potential of the ASGSHP can be reduced by 42.20 %, 38.66 %, 45.73 %, 42.71 % compared with the VGSHP, respectively. The research results can provide the basic data and theoretical guidance for the further development and utilization of the GSHP system.
Keyword ：
Life cycle assessment(LCA) Life cycle assessment(LCA) Environmental protection Environmental protection Assessment index Assessment index Absorption solar-ground source heat pump (ASGSHP) Absorption solar-ground source heat pump (ASGSHP) Vapor compression ground source heat pump (VGSHP) Vapor compression ground source heat pump (VGSHP) Environmental impact Environmental impact
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| GB/T 7714 | Li, Hongyan , Bi, Yuehong , Qin, Lifeng et al. Absorption solar-ground source heat pump: Life cycle environmental profile and comparisons [J]. | GEOTHERMICS , 2020 , 87 . |
| MLA | Li, Hongyan et al. "Absorption solar-ground source heat pump: Life cycle environmental profile and comparisons" . | GEOTHERMICS 87 (2020) . |
| APA | Li, Hongyan , Bi, Yuehong , Qin, Lifeng , Zang, Gaoli . Absorption solar-ground source heat pump: Life cycle environmental profile and comparisons . | GEOTHERMICS , 2020 , 87 . |
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Abstract ：
基于晴空辐射模型和太阳光线入射角模型,从集热器集热面接收太阳辐射量的角度,对4种跟踪类型的槽式集热器进行理论计算。通过对比分析得知:采用双轴跟踪槽式集热器接收的太阳辐射量最多,其次为地轴跟踪槽式集热器。综合考虑跟踪系统的稳定性、复杂程度和成本问题,夏季供冷建议优先选用东西跟踪槽式集热器,冬季供热应选用南北跟踪槽式集热器,供冷和供热两用时,优先考虑选用东西跟踪槽式集热器。
Keyword ：
辐射量 辐射量 槽式集热器 槽式集热器 太阳能 太阳能 跟踪类型 跟踪类型
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| GB/T 7714 | 郭继萌 , 毕月虹 , 黄家斌 et al. 不同跟踪类型槽式集热器接收太阳辐射量的对比分析 [J]. | 制冷与空调 , 2020 , 20 (02) : 31-34 . |
| MLA | 郭继萌 et al. "不同跟踪类型槽式集热器接收太阳辐射量的对比分析" . | 制冷与空调 20 . 02 (2020) : 31-34 . |
| APA | 郭继萌 , 毕月虹 , 黄家斌 , 秦立峰 , 李洪艳 , 臧高立 . 不同跟踪类型槽式集热器接收太阳辐射量的对比分析 . | 制冷与空调 , 2020 , 20 (02) , 31-34 . |
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Abstract ：
A new combination system of "three-phase energy storage" and solar absorption refrigeration has been developed in this paper. The operation process of LiBr-H2O three-phase energy storage system is described in detail. Thermodynamic analysis models of charging/discharging processes based on the absorption principle are established in order to understand the dynamic characteristics of three-phase energy storage and release processes. The dynamic simulations of charging/discharging processes are carried out by using MATLAB. The influences of operation parameters on the characteristic parameters of three-phase charging/discharging are analyzed, and the performance evaluation indexes of three-phase energy storage system are obtained. The simulation results showed that the lower initial concentration of LiBr-H2O solution, the smaller mass flow rate of LiBr-H2O sprayed on the heat exchanger in the energy storage tank and the higher heat conductance of the heat exchanger (KA) result in the higher energy storage efficiency and energy storage density. The smaller mass flow rates of LiBr-H2O and the cooling water can make the more stable discharging process with longer cooling time. The research results can provide theoretical guidance for further improving and optimizing the operation performance of three-phase energy storage system coupling in solar air conditioning. (C) 2019 Elsevier B.V. All rights reserved.
Keyword ：
Thermodynamic analysis Thermodynamic analysis Solar air conditioning Solar air conditioning Three-phase energy storage Three-phase energy storage Charging/discharging processes Charging/discharging processes Lithium bromide-water (LiBr-H2O) Lithium bromide-water (LiBr-H2O) Energy storage density Energy storage density
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| GB/T 7714 | Bi, Yuehong , Zang, Gaoli , Qin, Lifeng et al. Study on the characteristics of charging/discharging processes in three-phase energy storage coupling in solar air conditioning system [J]. | ENERGY AND BUILDINGS , 2019 , 204 . |
| MLA | Bi, Yuehong et al. "Study on the characteristics of charging/discharging processes in three-phase energy storage coupling in solar air conditioning system" . | ENERGY AND BUILDINGS 204 (2019) . |
| APA | Bi, Yuehong , Zang, Gaoli , Qin, Lifeng , Li, Hongyan , Wang, Hongyan . Study on the characteristics of charging/discharging processes in three-phase energy storage coupling in solar air conditioning system . | ENERGY AND BUILDINGS , 2019 , 204 . |
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Abstract ：
Based on a quasi 3-D steady model inside and a 2-D unsteady model outside of the borehole of ground heat exchanger(GHE), the relationship between the heat exchange rate per depth of borehole and main parameters (center-to-center distance of two branch pipes, radius and depth of the borehole) has been analyzed. The rational values of those design parameters with considering the heat exchange rate per depth of borehole are obtained. The dynamic simulations of underground temperature field (UTF) of single-pipe and pipe-group of U-tube GHE have been conducted by ANSYS. The change rules of UTF are obtained when ground source heat pump(GSHP) has experienced a complete cooling and heating cycle during one year. The simulation results of a single-pipe show that the action radius of borehole is 1.9 m, i.e., it is reasonable that the borehole center-to-center distance is 3.8 m. The simulation results of pipe-group indicate that temperature of the soil center encircled by four boreholes at the beginning of heating in winter is higher than the initial temperature of soil, but it is in opposite for cooling in summer, which is beneficial to the efficient operation of GSHP. This work can provide guidance for the rational design and operation of GSHP. (C) 2019 Elsevier Ltd. All rights reserved.
Keyword ：
A complete cooling and heating cycle A complete cooling and heating cycle Single U-Tube ground heat exchanger(GHE) Single U-Tube ground heat exchanger(GHE) Underground temperature field Underground temperature field Dynamic simulation Dynamic simulation Heat exchange rate per depth of borehole Heat exchange rate per depth of borehole
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| GB/T 7714 | Bi, Yuehong , Lyu, Tianli , Wang, Hongyan et al. Parameter analysis of single U-tube GHE and dynamic simulation of underground temperature field round one year for GSHP [J]. | ENERGY , 2019 , 174 : 138-147 . |
| MLA | Bi, Yuehong et al. "Parameter analysis of single U-tube GHE and dynamic simulation of underground temperature field round one year for GSHP" . | ENERGY 174 (2019) : 138-147 . |
| APA | Bi, Yuehong , Lyu, Tianli , Wang, Hongyan , Sun, Ruirui , Yu, Meize . Parameter analysis of single U-tube GHE and dynamic simulation of underground temperature field round one year for GSHP . | ENERGY , 2019 , 174 , 138-147 . |
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Abstract ：
A new ice-storage experimental system with a closed (CIST) and an open (OIST) ice-storage tank has been exploited, with which the external ice melting processes are studied experimentally. Furthermore, the researches on combinations of external and internal ice melting have been carried out. The experiments indicate that the cold release rate of CIST is more stable than that of OIST under the same conditions, especially, the cold release rate of OIST decreases significantly at the later stage of the discharging process. The outlet temperature of the discharge water flowing from the bottom-to-top (Mode 1) is lower than that from the top-to-bottom of the ice-storage tank (Mode 2). With the relatively lower volumetric-flow rate, the outlet temperatures of the discharge water rise slowly, meanwhile, the cold release rate is also relatively lower. To solve the problem of "millennial ice" in the external system without an air-agitation device, two types of the combination of external and internal ice melting have been adopted, one is to adopt internal ice melting at first, and then external ice melting, the other is to adopt simultaneously the internal and external ice melting. The experiments show that the cumulative discharging capacity of the latter has been significantly improved. (C) 2019 Elsevier B.V. All rights reserved.
Keyword ：
Combination of the internal and external ice melting Combination of the internal and external ice melting Open ice-storage tank (OIST) Open ice-storage tank (OIST) The cumulative discharging capacity The cumulative discharging capacity Closed ice-storage tank (CIST) Closed ice-storage tank (CIST) The cold release rate The cold release rate Millennial ice Millennial ice
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| GB/T 7714 | Bi, Yuehong , Yu, Meize , Wang, Hongyan et al. Experimental investigation of ice melting system with open and closed ice-storage tanks combined internal and external ice melting processes [J]. | ENERGY AND BUILDINGS , 2019 , 194 : 12-20 . |
| MLA | Bi, Yuehong et al. "Experimental investigation of ice melting system with open and closed ice-storage tanks combined internal and external ice melting processes" . | ENERGY AND BUILDINGS 194 (2019) : 12-20 . |
| APA | Bi, Yuehong , Yu, Meize , Wang, Hongyan , Huang, Jiabin , Lyu, Tianli . Experimental investigation of ice melting system with open and closed ice-storage tanks combined internal and external ice melting processes . | ENERGY AND BUILDINGS , 2019 , 194 , 12-20 . |
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Abstract ：
Considering the size of an irreversible air heat pump (AHP), heating load density (HLD) is taken as thermodynamic optimization objective by using finite-time thermodynamics. Based on an irreversible AHP with infinite reservoir thermal-capacitance rate model, the expression of HLD of AHP is put forward. The HLD optimization processes are studied analytically and numerically, which consist of two aspects: (1) to choose pressure ratio; (2) to distribute heat-exchanger inventory. Heat reservoir temperatures, heat transfer performance of heat exchangers as well as irreversibility during compression and expansion processes are important factors influencing on the performance of an irreversible AHP, which are characterized with temperature ratio, heat exchanger inventory as well as isentropic efficiencies, respectively. Those impacts of parameters on the maximum HLD are thoroughly studied. The research results show that HLD optimization can make the size of the AHP system smaller and improve the compactness of system.
Keyword ：
Thermodynamic Optimization Thermodynamic Optimization Finite Time Thermodynamics Finite Time Thermodynamics Heating Load Density Heating Load Density Irreversible Air Heat Pump Irreversible Air Heat Pump Size Effect Size Effect
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| GB/T 7714 | Bi, Yuehong , Chen, Lingen , Ding, Zemin et al. Performance Optimization of Irreversible Air Heat Pumps Considering Size Effect [J]. | JOURNAL OF THERMAL SCIENCE , 2018 , 27 (3) : 223-229 . |
| MLA | Bi, Yuehong et al. "Performance Optimization of Irreversible Air Heat Pumps Considering Size Effect" . | JOURNAL OF THERMAL SCIENCE 27 . 3 (2018) : 223-229 . |
| APA | Bi, Yuehong , Chen, Lingen , Ding, Zemin , Sun, Fengrui . Performance Optimization of Irreversible Air Heat Pumps Considering Size Effect . | JOURNAL OF THERMAL SCIENCE , 2018 , 27 (3) , 223-229 . |
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Abstract ：
对全国五大气候区的16个主要城市办公建筑的白天及夜间空调冷负荷进行计算,得到夜间空调冷负荷占白天空调冷负荷比例随气候区的南移逐渐增大的变化规律。研究结果可为不同气候区太阳能空调系统中蓄能装置容量匹配提供设计依据,同时为制冷空调系统优化运行提供理论指导。
Keyword ：
蓄能装置 蓄能装置 气候分区 气候分区 空调 空调 太阳能制冷技术 太阳能制冷技术 夜间冷负荷 夜间冷负荷
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| GB/T 7714 | 王永生 , 毕月虹 , 陈杰 et al. 我国五大气候区办公建筑夜间空调冷负荷比较 [J]. | 制冷与空调 , 2018 , 18 (02) : 7-11 . |
| MLA | 王永生 et al. "我国五大气候区办公建筑夜间空调冷负荷比较" . | 制冷与空调 18 . 02 (2018) : 7-11 . |
| APA | 王永生 , 毕月虹 , 陈杰 , 苗振 , 郭继萌 . 我国五大气候区办公建筑夜间空调冷负荷比较 . | 制冷与空调 , 2018 , 18 (02) , 7-11 . |
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