Open Access
ARTICLE
Jialei Jiang1, Jiayuan Luo2,3,*, Yan Su1, Weiqiang Xiao1, Jiajun Lu4, Haodong Liu5, Yuqi Huang2
Frontiers in Heat and Mass Transfer, DOI:10.32604/fhmt.2026.083123
（This article belongs to the Special Issue: Thermal, Mass, and Life Management of Advanced Batteries and Fuel Cells)
Abstract Quantitative measurement of the high-speed gas-liquid-solid multiphase jets generated during the transient discharge of high-pressure vessels remains a significant challenge. Traditional Particle Image Velocimetry (PIV) techniques often fail in these scenarios due to the intense self-luminous interference, high transient velocities, and the absence of pre-seeded tracer particles. To address these issues, this paper proposes a robust non-intrusive measurement scheme integrating an adaptive image enhancement strategy with an improved cross-correlation algorithm. First, a preprocessing framework combining Contrast Limited Adaptive Histogram Equalization (CLAHE) and frequency-domain high-pass filtering is developed to suppress background noise and reconstruct fluid textures… More >
Open Access
ARTICLE
Jiaxi Shen, Zhiyun Wang*
Frontiers in Heat and Mass Transfer, DOI:10.32604/fhmt.2026.081961
Abstract This study focuses on the modeling and performance prediction of the condensation heat transfer process within an ACC system of a 100 MW unit. A one-dimensional physical model was established, and solutions were obtained using an iterative numerical method based on the first law of thermodynamics. The core of this work involves precise modifications to the heat transfer coefficient. Firstly, the Shah correlation for horizontal tube condensation was improved by incorporating the air mass fraction and the Jakob number to quantify the impact of non-condensable gases. Secondly, to assess the influence of the pipe installation More >
Open Access
ARTICLE
Dawar Asfandyar Khan, Yanyu Chen, Haokang Zhang, Yu Wang*
Frontiers in Heat and Mass Transfer, DOI:10.32604/fhmt.2026.083157
（This article belongs to the Special Issue: High Efficiency Cooling Technology in New and Renewable Energy System)
Abstract Efficient thermal management of high heat flux systems is critical in modern electronic and energy devices. Spray cooling, with its high heat removal capability and uniform surface cooling, is widely recognized as an effective technique. Extensive studies have explored spray cooling using water and other working fluids, focusing on droplet dynamics, surface wetting, and heat transfer enhancement. However, the influence of low-concentration alcohol additives on spray cooling performance and evaporation dynamics remains insufficiently understood. This work systematically investigates the non-monotonic heat-transfer behaviour by varying spray height, flow rate, and heat input individually, focusing on the… More >
Open Access
REVIEW
Wensheng Li1, Zeyang Zhang1, Xinjie Chai2, Facheng Qiu1,*
Frontiers in Heat and Mass Transfer, DOI:10.32604/fhmt.2026.080472
（This article belongs to the Special Issue: Advances in Heat and Mass Transfer for Enhanced Solar Desalination Technologies)
Abstract Hydrodynamic jet technologies have emerged as a promising approach for advanced wastewater treatment, offering engineering advantages through operational efficiency and system simplicity. As a critical review, this work examines three major hydrodynamic approaches—atomized jets, cavitation jets, and pulsed-jet systems—and analyzes their degradation mechanisms and practical applications in pollutant abatement. By systematically evaluating current research trends, this review elucidates the synergistic interplay between hydrodynamic effects, including turbulent shear, microbubble implosion, and reactive radical generation, and contaminant-decomposition pathways. Quantitative evidence from the reviewed literature further reveals significant performance enhancements achieved by these technologies. Optimized cavitating jets (e.g.,… More >
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