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Performance analysis of a waste heat driven activated carbon based composite adsorbent - Water adsorption chiller using simulation model

机译:废热驱动活性炭基复合吸附剂-吸水式冷水机组性能的仿真模型分析。

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摘要

This study aims at improving the performance of a waste heat driven adsorption chiller by applying a novel composite adsorbent which is synthesized from activated carbon impregnated by soaking in sodium silicate solution and then in calcium chloride solution. Modeling is performed to analyze the influence of the hot water inlet temperature, cooling water inlet temperature, chilled water inlet temperatures, and adsorption/desorption cycle time on the specific cooling power (SCP) and coefficient of performance (COP) of the chiller system with the composite adsorbent. The simulation calculation indicates a COP value of 0.65 with a driving source temperature of 85 ℃ in combination with coolant inlet and chilled water inlet temperature of 30 ℃ and 14℃, respectively. The most optimum adsorption-desorp-tion cycle time is approximately 360 s based on the performance from COP and SCP. The delivered chilled water temperature is about 9 ℃ under these operating conditions, achieving a SCP of 380 W/kg.
机译:这项研究旨在通过应用一种新型复合吸附剂来提高废热驱动吸附式冷却器的性能,该复合吸附剂由先浸入硅酸钠溶液然后浸入氯化钙溶液中的活性炭合成而成。进行建模以分析热水入口温度,冷却水入口温度,冷冻水入口温度以及吸附/解吸循环时间对制冷系统的比冷却功率(SCP)和性能系数(COP)的影响。复合吸附剂。仿真计算表明,COP值为0.65,驱动源温度为85℃,冷却液入口和冷却水入口温度分别为30℃和14℃。根据COP和SCP的性能,最佳的吸附-吸附循环时间约为360 s。在这些操作条件下,输送的冷冻水温度约为9℃,SCP达到380 W / kg。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2012年第26期|p.7596-7610|共15页
  • 作者单位

    Department of Mechanical Engineering, The Hong Kong University of Science and Technology, Hong Kong, PR China;

    Department of Mechanical Engineering, The Hong Kong University of Science and Technology, Hong Kong, PR China,Department of Mechanical Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, PR China;

    Department of Mechanical Engineering, The Hong Kong University of Science and Technology, Hong Kong, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    activated carbon; adsorption system; modeling; performance; simulation; waste heat;

    机译:活性炭;吸附系统造型;性能;模拟;余热;

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