. A new thermo-electric fluid-meter and hot-wire anemometer. to free convection when it is supported atrest in still air, substantially free from draughtsor wind moting. It is likewise, subject to forcedconvection when it is either moved bodily through theair, or when it is placed in a draught or wind. In order to separate convection loss fromradiation loss, it is desirable to operate the v^ireunder test at constant temperature as far as possible,and also at a constant temperature elevation abovesurrounding solid bodies. The radiation loss underthese conditions v/ill be constant, and therefore
. A new thermo-electric fluid-meter and hot-wire anemometer. to free convection when it is supported atrest in still air, substantially free from draughtsor wind moting. It is likewise, subject to forcedconvection when it is either moved bodily through theair, or when it is placed in a draught or wind. In order to separate convection loss fromradiation loss, it is desirable to operate the v^ireunder test at constant temperature as far as possible,and also at a constant temperature elevation abovesurrounding solid bodies. The radiation loss underthese conditions v/ill be constant, and thereforechanges in the surrounding air will give rise tochanges in heat dissipation that may safely be at-tributed to changes in convection THEHMOELECTRIG gLUID^iaT5!R: Since the operation of the ThermoelectricPluid-Meter depends upon the principle of balancingthe 2. I.:. F, developed by a thermocouple againstthe potential or ir drop across a definite resistance PL/iTE /\f£MOM£r£f<. P/I6e 266. •s£rr£/ii/cm D//IG/?^M O/^ CCA/A/£Cr/0/V6. noURC 39.
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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1920, bookidnewthermoele, bookyear1920
