Hydraulic pump driven by a low temperature difference

低温差驱动液压泵

基本信息

  • 批准号:
    62850159
  • 负责人:
  • 金额:
    $ 4.16万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Developmental Scientific Research
  • 财政年份:
    1987
  • 资助国家:
    日本
  • 起止时间:
    1987 至 1989
  • 项目状态:
    已结题

项目摘要

Low-level temperature difference between warm water at 50 - 60 ゚C (warm waste water from industry or warm water made in a solar energy collector) and cold water at 10 - 20゚C may be used for operating a hydraulic pump. The pump uses Freon 11 (CC1_3F: boiling point at atmospheric pressure of 24゚C) as a working fluid.In the past three years with the support of the grant-in-aid for developmental scientific research we carried out research in the following three phases: i) plastic-balloon pump ii) piston-driven pump iii) Freon vapor - water direct-contact pump The difficulty with a plastic balloon was that no plastic material worked out well for long. A piston-driven pump was good for long term operation, but again some-disadvantage was with a considerable amount of friction loss. The Freon vapor - water direct-contact type worked with a water - filled U-tube pump. Only the disadvantage of this pump arises from a slight dissolution of Freon into water. However, the solubility (0.011g-Freon/g-water) is so small that this type of pump was good for long term use.
50 - 60 ℃的温水(来自工业的温暖废水或太阳能收集器中产生的温水)和10 - 20 ℃的冷水之间的低水平温差可用于操作液压泵。泵使用氟利昂11(CC1_3F:大气压沸点24 ° C)作为工作流体。过去三年,在发展性科学研究补助金的支持下,我们开展了以下三个阶段的研究:i)塑料气球泵ii)活塞驱动泵iii)氟利昂蒸汽-水直接-接触泵塑料球囊的困难在于没有塑料材料能够长期有效。活塞驱动泵有利于长期运行,但也有一些缺点是有相当大的摩擦损失。氟里昂蒸汽-水直接接触型与充水U型管泵一起工作。这种泵的唯一缺点是氟里昂在水中有轻微的溶解。然而,溶解度(0.011g-氟利昂/g-水)是如此之小,这种类型的泵是良好的长期使用。

项目成果

期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
若尾法昭: "Utilization of temperature difference between day and night to draw up water from a wall" Applied Energy.
若尾纪明:“利用昼夜温差从墙上汲水”应用能源。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
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  • 通讯作者:
若尾法昭: "Utilization of temperature difference between day and night to draw up water from a well" Applied Energy.
若尾纪明:“利用昼夜温差从井中取水”应用能源。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
H.Wakao: "Utilization of temperature difference between day and night to draw up water from a well" Applied Energy. (1990)
H.Wakao:“利用昼夜温差从井中汲水”应用能源。
  • DOI:
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  • 影响因子:
    0
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WAKAO Noriaki其他文献

WAKAO Noriaki的其他文献

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{{ truncateString('WAKAO Noriaki', 18)}}的其他基金

Supercritical Extraction of Medicinal Properties from Medicinal Plants
药用植物药用特性的超临界萃取
  • 批准号:
    01044056
  • 财政年份:
    1989
  • 资助金额:
    $ 4.16万
  • 项目类别:
    Grant-in-Aid for Overseas Scientific Survey.

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