Abstract

The paper discusses the description of the simple model of the, so-called, steam plume, which in many cases forms during the operation of the evaporative cooling systems of the power plants, or large technological units. The model is based on semi-empirical equations that describe the behaviour of a mixture of two gases in case of the free jet stream. In the conclusion of the paper, a simple experiment is presented through which the results of the designed model shall be validated in the subsequent period.

Highlights

  • The cooling towers are used in many industrial plants as a system for efficient and reliable liquidation of lowpotential waste heat. Their history dates back far into the past and first mention of the basic principles of evaporative cooling can be found already more than 2,500 years BC

  • At present, cooling towers working on the evaporative cooling principle are relatively standard technological units, which can be supplied on contractor basis without any major problems in a practically arbitrary range of required outputs

  • Cooling tower issues are discussed in many professional publications

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Summary

Introduction

The cooling towers are used in many industrial plants as a system for efficient and reliable liquidation of lowpotential waste heat Their history dates back far into the past and first mention of the basic principles of evaporative cooling (respectively, the fact that it is possible to achieve a certain level of cooling by evaporation) can be found already more than 2,500 years BC. The basic publications may be considered as the books [1] and [2], and from the ranks of professional articles, these are, for instance, [3], [4], [5], or [6] This contribution is from the viewpoint of the field of evaporative cooling tied to the relatively narrow issue of the creation of the steam plume. Few global professional publications exist about their characteristics and behaviour, worth mentioning are publications [7] and [8] which a bit old, present an idea in the given issue

Velocity field
Concentration field
Verification experiment
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