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Effect of periodical air temperature fluctuations on thermal stability of constant-temperature chambers

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Measurement Techniques Aims and scope

Conclusions

  1. 1.

    To ensure high air-temperature stability in a constant-temperature chamber with an on-off regulator operating in a sliding mode, the frequency of periodic temperature fluctuations at the electric heater inlet should not exceed the system locking frequency for a given fluctuations amplitude.

  2. 2.

    The effect of periodic fluctuations of preheater temperature on stabilization accuracy can be eliminated by adding an auxiliary control loop as described above.

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Literature cited

  1. A. T. Dyuzhin and T. L. Kazanskaya, Izmeritel'. Tekh., No. 6 (1970).

  2. M. V. Meerov, Synthesis of Precision Automatic Control Systems [in Russian], Nauka, Moscow (1967).

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  3. V. A. Besekerskii and E. P. Popov, Theory of Automatic Control Systems [in Russian], Nauka, Moscow (1966).

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Authors
  1. T. L. Kazanskaya
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Additional information

Translated from Izmeritel'naya Tekhnika, No. 3, pp. 48–49, March, 1973.

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Kazanskaya, T.L. Effect of periodical air temperature fluctuations on thermal stability of constant-temperature chambers. Meas Tech 16, 387–389 (1973). https://doi.org/10.1007/BF00812736

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  • DOI: https://doi.org/10.1007/BF00812736

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