Fundamental Studies on Passive-Type Heat Transfer Enhancement of Solid Reaction Bed
固体反应床被动式强化传热基础研究
基本信息
- 批准号:63470103
- 负责人:
- 金额:$ 3.26万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (B)
- 财政年份:1988
- 资助国家:日本
- 起止时间:1988 至 1989
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Present research is concerned with the study on the development of efficient methods in enhancing the heat conduction rate in the solid particle bed in the process of adsorption or chemical reaction, which is deemed one of the most principal problem in realizing adsorption and chemical heat pumps. The results obtained in the last fiscal years of 1988 and 1989 are summarized below:(1)In order to apply the passive-type heat transfer enhancement technique to the solid reactant bed, effective thermal conductivities of calcium oxide particle beds into which various kinds and shapes of metals were inserted, were measured by a plate comparative method. As a result of the measurements, it was recognized that a high-density composite of calcium oxide involving copper fins shows a larger thermal conductivity value.(2)The characteristics of the solid bed in the process of adsorption or chemical reaction in the heat pump unit were investigated by adding copper wire mesh to silica gel column in … More an adsorption heat pump, and metal fins and honeycombs to calcium oxide bed in a chemical heat pump apparatus. Then, it was verified that the heat transfer performance of both the adsorption and the chemical heat pumps were greatly improved by adopting the present heat transfer enhancement method.(3)Mathematical model representing both heat and mass transfer accompanied by exothemic chemical reaction in the solid particle bed which the heat transfer enhancement is taken into; consideration was developed and was applied to calcium oxide bed involving metal fins. With the aid of the theoretical model, the experimental results were explained well, and the heat transfer mechanism as well as the heat transfer enhancement effect were examined.(4)High-efficiency heat exchanger having an unified structure of heater/heat exchanging tube was designed and manufactured, so as to facilitate the removal/supply of reaction heat from/to the solid particle bed. The application of this device to the chemical heat pump unit is now in progress. Less
提高固体颗粒床在吸附或化学反应过程中的传热速率是实现吸附热泵和化学热泵的主要问题之一,目前的研究主要集中在提高固体颗粒床传热速率的有效方法的研究上。(1)为了将被动式强化传热技术应用于固体反应物床,用平板比较法测定了不同种类和形状的金属插入氧化钙颗粒床的有效导热系数。作为测量的结果,认识到包括铜翅片的氧化钙的高密度复合材料显示出更大的热导率值。(2)通过在硅胶柱中添加铜丝网,考察了热泵机组中吸附或化学反应过程中固体床层的特性。 ...更多信息 一种吸附式热泵,在化学热泵装置中的氧化钙床层上设置金属翅片和蜂窝。实验结果表明,采用本文提出的强化传热方法后,吸附式热泵和化学热泵的传热性能都得到了很大的改善。(3)建立了考虑传热强化的固体颗粒床中伴有放热化学反应的传热传质数学模型,并应用于含金属翅片的氧化钙床。借助理论模型对实验结果进行了解释,并对传热机理和强化传热效果进行了探讨。(4)设计并制造了加热器/换热管一体化结构的高效换热器,以便于从固体颗粒床中移出反应热或向固体颗粒床中供给反应热。该装置在化学热泵机组中的应用正在进行中。少
项目成果
期刊论文数量(14)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
松田仁樹,宮崎光俊,架谷昌信: 化学工学論文集. 14. 769-778 (1988)
Hitoshi Matsuda、Mitsutoshi Miyazaki、Masanobu Katani:化学工程论文集 14. 769-778 (1988)。
- DOI:
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- 影响因子:0
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渡辺藤雄: "構造状活性炭/水蒸気系吸着ヒ-トポンプの作動範囲" 化学工学論文集. 15. 38-43 (1989)
Fujio Watanabe:“结构化活性炭/蒸汽吸附热泵的运行范围”《化学工程杂志》15. 38-43 (1989)。
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F. Watanabe: "Operation Limits of Heat Pump Using Adsorption of Structural Active Carbon/Water Vapor" Kagaku Kogaku Ronbunshu 15, No.1, 38-43(1989).
F.渡边:“利用结构活性炭/水蒸气吸附的热泵的运行限制” Kagaku Kogaku Ronbunshu 15,No.1,38-43(1989)。
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- 影响因子:0
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H. Matsuda: "Temperature Response of the Solid Particle Bed in a High-Temperature Chemical Heat Pump Using Ca(OH)_2/CaO Reversible Thermochemical Reaction" Kagaku Kogaku Ronbunshu, 14, No.6, 769-778(1988).
H. Matsuda:“利用 Ca(OH)_2/CaO 可逆热化学反应的高温化学热泵中固体颗粒床的温度响应” Kagaku Kogaku Ronbunshu,14,No.6,769-778(1988)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
渡辺藤雄: "構造状活性炭/水蒸気吸着ヒ-トポンプの作動範囲" 化学工学論文集. 15. 38-43 (1989)
Fujio Watanabe:“结构化活性炭/水蒸气吸附热泵的工作范围”《化学工程杂志》15. 38-43 (1989)。
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