Analytical design of decoupling control for variable flow hydronic heating system

Author(s):  
Xutao Zhang ◽  
Guohua Shi ◽  
Songtao Liu
2011 ◽  
Vol 6 (6) ◽  
Author(s):  
Zengrong Hu ◽  
Donghai Li ◽  
Jing Wang ◽  
Feng Xue

2012 ◽  
Vol 193-194 ◽  
pp. 1239-1242 ◽  
Author(s):  
Jia Wen Qiang ◽  
Jian Xiang Guo ◽  
Zhong Wei Sui

Through analyzing the application of pressure difference control system in variable flow rate central heating system, the evaluation method based on maxim energy consumption calculation is presented. The constant and variable differential pressure control is separately studied, a conclusion is come to that the smaller the differential pressure controlled, the more energy saved, and the variable differential pressure control as far as possible to maintain the hydraulic resistance of system is more efficient.


2019 ◽  
Vol 2 (1) ◽  
pp. 29-39 ◽  
Author(s):  
S. G. Konesev ◽  
P. A. Khlyupin

Introduction: the systems of thermal effects on thermo-dependent, viscous and highly viscous liquids under conditions of the Arctic and the Extreme North are considered. Low efficiency and danger of heating systems based on burned hydrocarbons, heated liquids and steam are shown. Electrothermal heating systems used to maintain thermo-dependent fluids in a fluid state are considered. The evaluation of the effectiveness of the application of the most common electrothermal system — heating cables (tapes). The most effective electrothermal system based on induction technologies has been determined. Materials and methods: considered methods of thermal exposure to maintain the fluid properties of thermo-dependent fluids at low extreme temperatures. Results: presents an induction heating system and options for its implementation in the Extreme North and the Arctic. Conclusions: induction heating system to minimize loss of product quality, improve the system performance under changing process conditions, eliminate fire product, to reduce the influence of the human factor.


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