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Experimental study on viscosity characteristic of sewage in urban untreated sewage source heat pump

本站小编 哈尔滨工业大学/2019-10-23

Experimental study on viscosity characteristic of sewage in urban untreated sewage source heat pump system

WU Xue-hui, Zhang ChengHu, ZhaoMingMing, Sen De Xing

School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China



Abstract:

To confirm the rheological characteristic of sewage in the research and application of urban sewage source heat pump system, the viscosity of sewage was investigated. The tube-type rheometer was used in this experimental study, and the sewage was treated as homogeneous non-Newtonian fluid. In addition, the relational expression between viscosity parameters was developed, and the function of apparent viscosity was obtained. It is concluded that the viscosity characteristic of sewage is influenced largely by complex mixture in sewage, and the sewage has the characteristic of sheared densification fluid.

Key words:  urban sewage  viscosity characteristic  experiment

DOI:10.11916/j.issn.1005-9113.2010.01.015

Clc Number:X703

Fund:


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