摘要:
A heat transport medium transports heat transferred from a heat transfer surface 5, the medium comprising a single solvent and containing microparticles 1 of a predetermined substance, wherein the microparticle 1 comprises one or more atoms, structures 3 for protecting the microparticle 1 are arranged on the microparticle surface and, if the diameter of a solvent molecule 2 constituting the medium is a and the length from a functional group 3a of the structure 3, which adsorbs to the microparticle 1, is b, the diameter a and the length b are set to satisfy the relationship a≦b.
摘要:
A heat transport fluid includes a solvent, particles dispersed in the solvent, coating agents attached to surfaces of the particles, and organic components dispersed in the solvent. The heat transport fluid can be used for a heat transport structure that includes a first member having a first temperature, a second member having a second temperature higher than the first temperature, and a circulation device for circulating the heat transport fluid through the first member and the second member.
摘要:
A heat transport medium includes a single solvent and fine particles 1 of a predetermined material dispersed in the solvent, and transports heat transferred from a heat transfer surface 5. Fine particles 1 includes one or more atoms, and structural substances 3 are arranged on a surface of fine particles 1 to protect it. Furthermore, structural substances 3 having a functional group capable of adsorbing onto fine particles 1 are floated around fine particles 1 in a state where structural substances are not adsorbed onto the fine particle. Also, structural substances 3 adsorbed onto the surface of fine particles 1 are arranged so as to form spaces which enable the floating structural substances 3 to adsorb around the fine particle.
摘要:
A heat transport medium comprises a single solvent and fine particles 1 of a predetermined material dispersed in the solvent, and transports heat transferred from a heat transfer surface 5. The fine particles 1 consist of one or more atoms, and have a structural substances 3 arranged on the surfaces to protect the fine particles 1. The heat transport medium satisfies a relationship among a diameter A, a length B and an average clearance distance C, which is represented by the expressions A≦B, and B≦C/2, wherein the diameter A is the diameter of a solvent molecule 2 composing the solvent, the length B is a length of a structural substance 3 extending from a functional group 3a to be adsorbed on the fine particles 1, and the average clearance distance C is an average distance between the fine particles dispersed in the solvent.
摘要:
A heat transport medium for transporting heat transferred from a heat transfer surface includes a liquid medium, and fine particles of a predetermined material dispersed into the liquid medium. The fine particles are contained in the liquid medium in volume content to provide an improvement rate of a heat transfer coefficient of about 1.0 or more. Here, the heat transfer coefficient is an index representing ease of heat transfer of the medium between the heat transfer surface and the medium by addition of the fine particles.
摘要:
An apparatus of a heat transfer circuit in which a heat transfer fluid with small particles circulates includes a container and an agitator. The container is located in a lower position of the apparatus in a vertical direction and defines a chamber where the heat transfer liquid passes when circulating in the heat transfer circuit. The agitator is located in the chamber to agitate the heat transfer fluid.
摘要:
A gas concentration detector using solid electrolyte layers laminated measures a concentration of gas constituents in measuring gas such as exhaust gas of an internal combustion engine without being influenced by oxygen concentration in the measuring gas. The measuring gas is introduced into an inner cavity of the detector and outside air as a reference gas is introduced into an air passage in the detector. Oxygen concentration in the measuring gas in the inner cavity is maintained at a predetermined level by operation of an oxygen pumping cell constituted by an ion conductive solid electrolyte layer and a pair of electrodes formed on both surfaces of the layer. The oxygen concentration in the inner cavity is measured by an oxygen sensor cell having one electrode exposed to the inner cavity and the other electrode exposed to the reference gas. The concentration of the gas constituents in the measuring gas is measured in terms of ion current generated in a detector cell constituted by an ion conductive solid electrolyte layer and a pair of electrodes formed on both surfaces of the layer, one electrode being exposed to the measuring gas in the inner cavity and the other exposed to the reference gas in the air passage. Either one of the sensor cell and detector cell electrodes exposed to the measuring gas in the inner cavity is made of a material active to the gas constituents to be measured and the other electrode is made of a material inactive thereto.
摘要:
A heat transport fluid passage device for a heat transport circuit has a wall defining a passage through which a heat transport fluid flows. The heat transport fluid contains a solvent made of water or an organic substance and fine particles dispersed in the solvent. A hydrophobic membrane is formed on a surface of the wall.
摘要:
A heat transport fluid passage device for a heat transport circuit has a wall defining a passage through which a heat transport fluid flows. The heat transport fluid contains a solvent made of water or an organic substance and fine particles dispersed in the solvent. A hydrophobic membrane is formed on a surface of the wall.
摘要:
The present invention discloses an antiferroelectric liquid crystal composition respectively containing the compounds of formula (1), (2), (3) or (4), wherein R.sub.1, R.sub.3, R.sub.5 and R.sub.7 are alkyl groups having 7-13 carbon atoms, R.sub.2, R.sub.4, R.sub.6 and R.sub.8 are alkyl groups having 4-8 carbon atoms, any of the four hydrogen atoms in each of the phenyl groups of the formulas may be substituted with a halogen atom such as F, Cl or Br, or a CH.sub.3 group, and X indicates --O-- or --. ##STR1##