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Intensification of the Foam Technology by the Energy of Electrohydrothermal Force Fields. Part 2. Regularities of Optimization of the Structure of a Lightweight Foam Material Under the Influence of EHTFF 1
Refractories and Industrial Ceramics ( IF 0.4 ) Pub Date : 2020-12-02 , DOI: 10.1007/s11148-020-00494-0
V. N. Sokov , A. A. Kulibaev

The formation of the structure of lightweight materials is governed by the complicated processes running in complex three-phase systems. We study the procedure of electric heating as a control factor guaranteeing the possibility of forced lowering of the moisture content of foam masses and the acceleration of the processes of structure formation. Amodel of gas pores with force vectors is proposed. The internal and external factors affecting air pores in the course of electric heating are analyzed. The thermodynamic changes in the foam system and the phenomena of heat-and-mass transfer in this system are analyzed. The state of the foam system is determined by variable parameters, such as temperature, excess pressure, and electric voltage. As a result of the complex action of electrohydrothermal force fields on the foam masses, the presence of stratification and cavities is excluded, and the macrostructure becomes homogeneous. The choice of a foaming agent according to its pH value and the electric conductivity of a solution of surfactant is substantiated.



中文翻译:

电热热力场的能量增强了泡沫技术。第2部分。在EHTFF 1影响下优化轻质泡沫材料结构的规律

轻质材料结构的形成受复杂的三相系统中运行的复杂过程支配。我们研究了电加热的过程,将其作为控制因素,以确保可能降低泡沫团块的水分含量并加速结构形成过程。提出了带有力矢量的气孔模型。分析了在电加热过程中影响气孔的内部和外部因素。分析了泡沫系统中的热力学变化以及该系统中的热质传递现象。泡沫系统的状态由可变参数确定,例如温度,过压和电压。由于电热热力场对泡沫物质的复杂作用,排除了分层和空穴的存在,并且宏观结构变得均匀。证实了根据其pH值和表面活性剂溶液的电导率对发泡剂的选择。

更新日期:2020-12-02
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