Experimental study of the flow and heat transfer of a gas–water mixture through a packed channel

Zhu, Xiaolei; Sui, Xiaofeng; Zhao, Yan; Jiang, Meng; Li, Zhixin

doi:10.1007/s11434-016-1018-x

Cited by 4 publications

(3 citation statements)

References 17 publications

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“…In general, the flow of flue gas and water is considered a steady state-incompressible-three-dimensional flow (Yuan et al, 2019). Thermophysical parameters such as density (ρ), humidity, and specific heat capacity showed little difference between the flue gas and saturated moist air (Zhu et al, 2016). To facilitate this study, the density of the flue gas in the numerical analysis was taken as a fixed value of 0.6 kg/m 3 , and the actual measured value should be used in practical application (Tsilingiris, 2018).…”

Section: Modelling Of Key Devices Operationmentioning

confidence: 99%

A novel approach for utilizing waste heat resources in the steel industry

Wang,

Zhang,

Yang

et al. 2023

Front. Energy Res.

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The efficient utilization of waste heat resources plays a pivotal role in enhancing energy efficiency and curbing carbon emissions. To address this, effective planning for waste heat recovery (WHR) utilization becomes imperative, guiding consumers in device installation and capacity allocation. This paper introduces a novel approach to WHR utilization planning, tailored specifically for steel factories, with the goal of achieving optimal WHR solutions. The approach automates device selection, capacity allocation, and operational strategies while considering their impact on the regular manufacturing processes of the factories to maximize overall benefits. Unlike existing methods, this approach introduces discrete capacity selection modeling, considering the constraints of the limited product range during device selection. A numerical study illustrates the effectiveness of the proposed model in delivering optimal WHR device selection, capacity allocation, and operational strategies under various economic conditions. These enhancements contribute to the increased practicality and realism of the proposed method in comparison to existing approaches.

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Section: Modelling Of Key Devices Operationmentioning

confidence: 99%

A novel approach for utilizing waste heat resources in the steel industry

Wang,

Zhang,

Yang

et al. 2023

Front. Energy Res.

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show abstract

“…Based on the direct-contact spray tower, the absorption heat pump provides a significant enhancement to recover the saturated flue gas waste heat. 23 Moreover, the saturated flue gas waste heat is used to heat the boiler feedwater. The waste heat utilization process reduces the turbine extraction steam of lowpressure heaters, which continues to do work in the turbine.…”

Section: Introductionmentioning

confidence: 99%

“…This paper proposes a saturated flue gas waste heat recovery system including an absorption heat pump and a direct-contact spray tower. Based on the direct-contact spray tower, the absorption heat pump provides a significant enhancement to recover the saturated flue gas waste heat . Moreover, the saturated flue gas waste heat is used to heat the boiler feedwater.…”

Section: Introductionmentioning

confidence: 99%