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Rapid mist spray water drop average diameter estimation method based on nozzle power parameters

A technology of average diameter and nozzle, applied in the direction of injection device, liquid injection device, etc., can solve the problems of cumbersome parameter calculation process, many input parameters, difficult to obtain, etc., and achieve the effect of shortening the debugging period, less input parameters, and small calculation error.

Inactive Publication Date: 2016-07-06
CHINA AIRPLANT STRENGTH RES INST
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Problems solved by technology

The above estimating formulas and their correction forms are based on the mass flow to establish MVD relational expressions. These relational expressions require many input parameters, and the calculation process of the parameters is cumbersome and difficult to obtain, which brings inconvenience to practical engineering applications.

Method used

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  • Rapid mist spray water drop average diameter estimation method based on nozzle power parameters
  • Rapid mist spray water drop average diameter estimation method based on nozzle power parameters
  • Rapid mist spray water drop average diameter estimation method based on nozzle power parameters

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Embodiment Construction

[0021] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...

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Abstract

The invention discloses a rapid mist spray water drop average diameter estimation method based on nozzle power parameters, and belongs to the field of ground freezing experiments. The method comprises the steps that firstly, the water pressure value Pw and the air pressure value Pa at the position of a nozzle and the maximum air pressure value Pmax determined according to an experiment are obtained, wherein mist spray can be formed at the position of the nozzle at the maximum air pressure value Pmax; and then, the average diameter MVD of mist spray water drops is estimated according to the formula shown in the specification, wherein K, m and n are constants, and the value of K, the value of m and the value of n are obtained in the manner that the formula (1) is subjected to linear treatment and then subjected to least square fit with the MVD obtained through experiment measurement. Compared with the prior art, according to the rapid mist spray water drop average diameter estimation method based on the nozzle power parameters, the mist spray water drop average diameter with the smaller error is obtained through fewer input parameters, the debugging period is shortened, and meanwhile the rapid mist spray water drop average diameter estimation method is more economical and saves more energy.

Description

technical field [0001] The invention belongs to the field of ground icing experiments, and is mainly used in cloud simulation of ground icing experimental facilities and parameter selection of icing experiments. Specifically, it relates to a method for quickly estimating the average diameter of spray water droplets based on nozzle dynamic parameters. Background technique [0002] The mean volume diameter of water droplets (MeanVolumeDiameter, MVD) is one of the important parameters to characterize the icing cloud, which affects the icing characteristics. Ground icing experimental facilities often use internal mixing air-assisted nozzles to atomize water into small water droplets and spray them into low-temperature airflows to simulate icing clouds. At present, there are many methods for predicting the average diameter of spray droplets of various types of nozzles, but there are few methods for estimating the average diameter of spray droplets of internal mixing air-assisted...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B12/00B05B9/03
CPCB05B12/00B05B9/03
Inventor 唐虎成竹吴敬涛
Owner CHINA AIRPLANT STRENGTH RES INST
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