A comprehensive simulation analysis to optimize the performance of spray evaporator on treating concentrated brine

Liu, Xiaodong; Yu, Liang; Zhao, Li; Hua, Zulin; Han, Xue

doi:10.1016/j.desal.2022.116292

Cited by 6 publications

(3 citation statements)

References 48 publications

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“…The observed increase in cooling capacity for the greater spray angle (120 • ) can be attributed to the following reasons. Firstly, increasing the spray angle can reduce the droplet size and improve the uniformity of droplets, which has a positive effect on evaporation performance [26]. Secondly, with a greater spray angle, the water droplets fall on a larger surface area of the tube, from which they receive heat.…”

Section: The Effect Of Spray Angle On Adsorption-chiller Performancementioning

confidence: 99%

The Effect of Nozzle Configuration on Adsorption-Chiller Performance

Kalawa,

Sztekler,

Kozaczuk

et al. 2024

Energies

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Broadly defined climate protection is a powerful incentive in the search for environmentally friendly refrigeration technologies. Adsorption chillers are considered to be one such technology; however, their main disadvantages include a low cooling capacity, a low energy efficiency ratio (EER), and cyclic operation. Thus, a great deal of effort is being put into improving adsorption-chiller performance. In this paper, the influence of the spray angle, the number of nozzles, and the water flow rate through the nozzles on adsorption-chiller performance was investigated. Adsorption-chiller performance was investigated mainly in terms of the cooling capacity (CC), the energy efficiency ratio (EER), and the specific cooling power (SCP). The results indicated that the chiller’s cooling capacity increased from about 210 W to 316 W and that the EER increased from 0.110 to 0.167 when the spray angle of the nozzles was increased from 90° to 120°. It was also reported that increasing the flow rate of water through the nozzles did not improve the average cooling capacity or the other performance parameters but resulted in more stable operation of the chiller. Additionally, using six nozzles instead of three improved the average cooling capacity and EER tenfold.

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Section: The Effect Of Spray Angle On Adsorption-chiller Performancementioning

confidence: 99%

The Effect of Nozzle Configuration on Adsorption-Chiller Performance

Kalawa,

Sztekler,

Kozaczuk

et al. 2024

Energies

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show abstract

“…where ρ is the fluid density, p is the fluid pressure, μ is the fluid viscosity, f x , f y , f z and g x , g y , g z represent the surface tension and gravity coefficient in three directions, respectively. The energy equation is shown as follows 30 :…”

Section: Spray Simulation Of Mwcnts Solutionmentioning

confidence: 99%

“…The energy equation is shown as follows 30 :

\frac{\partial (italicρT)}{\partial t} + div (italicρUT) = div (\frac{k}{C_{p}} grad T) + S_{normalT},

where T is temperature, λ is thermal conductivity, C p is the specific heat capacity at constant pressure, and S T is a generalized source term.…”

Section: Theory and Experimentsmentioning

confidence: 99%

Research on multiwalled carbon nanotubes spray method for preparing flexible piezoresistive tactile sensor

He,

Xie,

Pang

et al. 2024

J of Applied Polymer Sci

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Flexible piezoresistive tactile sensor (FPTS) is widely used in wearable devices, e‐skin, and so on. However, the performance consistency and durability hinder its widespread application at a larger scale. It is still a challenge to prepare conductive composites with high performance consistency and high durability. In this research, a multiwalled carbon nanotubes (MWCNTs)/polydimethylsiloxane FPTS with high performance consistency and high durability was prepared by a combination of spray and spin coating method. The spray parameters of MWCNTs solution were optimized by numerical simulation, and a self‐developed high pressure spray device was adopted to realize the high‐pressure spray. In the 6000 tensile cycles experiments, the fluctuation of FPTS resistance is less than 5%. The range of prepared FPTS can reach 1.2 kPa, and the sensitivity is 0.8 kPa−1. The results of mouse click and wrist bending tests confirmed that the prepared FPTS can satisfy the detection requirements of wearable devices.

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An experimental and numerical study on the brine droplet evaporation considering salt precipitation

Guo

Zhang

et al. 2023

Applied Thermal Engineering

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A comprehensive simulation analysis to optimize the performance of spray evaporator on treating concentrated brine

Cited by 6 publications

References 48 publications

The Effect of Nozzle Configuration on Adsorption-Chiller Performance

The Effect of Nozzle Configuration on Adsorption-Chiller Performance

Research on multiwalled carbon nanotubes spray method for preparing flexible piezoresistive tactile sensor

An experimental and numerical study on the brine droplet evaporation considering salt precipitation

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