Kaiwen Cheng¹, Yi Sun², Dong Wang^3,*, Chen Zhu², Fuping Qian^2,*

Frontiers in Heat and Mass Transfer, Vol.24, No.3, 2026, DOI:10.32604/fhmt.2026.080306 - 29 June 2026

Abstract Rotary gas-gas heat exchangers (GGHs) are pivotal for waste heat recovery in low- and medium-temperature denitrification systems of cement kilns. This study examines the performance of GGHs within such systems by coupling computational fluid dynamics (CFD) with the response surface method (RSM), introducing overall system performance (OSP) as the principal optimization criterion. The investigation systematically elucidates the effects of treated flue gas inlet temperature, inlet velocity, and rotor speed on GGH efficiency. Findings reveal that OSP increases with rotor speed but reaches a plateau beyond 1 rpm; it decreases with higher inlet velocity and increases… More >

Yuxian Liu^1,2, Jinzhuo Yao^1,2, Bangxing Han^1,2,*, Cheng Song^1,3,*

Phyton-International Journal of Experimental Botany, Vol.95, No.5, 2026, DOI:10.32604/phyton.2026.082999 - 27 May 2026

Abstract Essential oil is one of the main active ingredients in the medicinal herb Peucedanum praeruptorum. However, limited studies have been conducted on the quality evaluation of this essential oil. Here, we performed an optimization and evaluation of P. praeruptorum volatile oil extraction using response surface methodology. Partial least squares discriminant analysis (PLS-DA) was employed to screen relevant biomarkers. A sensory evaluation of the volatile oil components of P. praeruptorum was conducted across different time periods, and aroma differences were examined. The optimal extraction process involved an extraction time of 4 h, a soaking time of 2 h, a… More >

Guohai Jia¹, Yongjia Ma¹, Yuanyuan Li², Yuling Cheng², Dan Huang^2,*

Frontiers in Heat and Mass Transfer, Vol.24, No.2, 2026, DOI:10.32604/fhmt.2026.076516 - 30 April 2026

Abstract Microwave vacuum drying (MVD) is a promising technique for enhancing drying efficiency and product quality in ginger processing. In this study, the effects of microwave power, vacuum degree, and slice thickness on the MVD behavior of ginger slices were systematically investigated. The drying performance of MVD was also compared with hot-air drying (HAD) and microwave drying (MD). The results showed that increasing microwave power and vacuum degree, together with reducing slice thickness, significantly accelerated moisture removal, with microwave power being the dominant factor. Under comparable conditions, MVD required only one-sixth of the drying time of… More >

Jin Huang¹, Zihao Tang¹, Tingting Wu¹, Hualiang Li², Yanxin Hu^1,*

Frontiers in Heat and Mass Transfer, Vol.24, No.1, 2026, DOI:10.32604/fhmt.2026.075643 - 28 February 2026

Abstract In order to explore the effects of CaO, lignite dust and sawdust on the drying characteristics of municipal sludge at different concentrations, a three-factor three-level regression experiment was carried out based on the results of thermogravimetric experiment and single factor experiment. By fitting three common mathematical models, the Page model with the highest fitting degree was selected to determine the most suitable mathematical model to describe the municipal sludge drying process. In addition, the Box-Behnken design principle in the response surface method was used to analyze the interaction of three factors on the drying characteristics… More >

Girish Hariharan¹, Vinyas¹, Gowrishankar Mandya Chennegowda¹, Nitesh Kumar¹, Shiva Kumar¹, Deepak Doreswamy², Subraya Krishna Bhat^1,*

CMC-Computers, Materials & Continua, Vol.86, No.3, 2026, DOI:10.32604/cmc.2025.073772 - 12 January 2026

Abstract This study presents a framework involving statistical modeling and machine learning to accurately predict and optimize the mechanical and damping properties of hybrid granite–epoxy (G–E) composites reinforced with cast iron (CI) filler particles. Hybrid G–E composite with added cast iron (CI) filler particles enhances stiffness, strength, and vibration damping, offering enhanced performance for vibration-sensitive engineering applications. Unlike conventional approaches, this work simultaneously employs Artificial Neural Networks (ANN) for high-accuracy property prediction and Response Surface Methodology (RSM) for in-depth analysis of factor interactions and optimization. A total of 24 experimental test data sets of varying input… More >

Mujahid Islam¹, Fateh Ali^1,*, Xinlong Feng^1,*, M. Zahid², Sana Naz Maqbool¹

CMES-Computer Modeling in Engineering & Sciences, Vol.145, No.3, pp. 3511-3561, 2025, DOI:10.32604/cmes.2025.073678 - 23 December 2025

Abstract Roll coating is a vital industrial process used in printing, packaging, and polymer film production, where maintaining a uniform coating is critical for product quality and efficiency. This work models non-isothermal Carreau fluid flow between a rotating roll and a stationary wall under fixed boundary constraints to evaluate how non-Newtonian and thermal effects influence coating performance. The governing equations are transformed into non-dimensional form and simplified using lubrication approximation theory. Approximate analytical solutions are obtained via the perturbation technique, while numerical results are computed using both the finite difference method and the BVP-Midrich technique. Furthermore, More >

Ruiqi Li^1,2, Hongda Chen^1,2,*, Haixiao Hu^1,2,3, Yu Zhang², Shuxin Li^1,2,3,*

The International Conference on Computational & Experimental Engineering and Sciences, Vol.33, No.2, pp. 1-1, 2025, DOI:10.32604/icces.2025.011327

Abstract Composite hydrogen cylinders are recognized as the most efficient solution for storage and transportation of high-pressure gaseous hydrogen. The plastic-lined and fully carbon fiber-wound Type IV composite cylinders are one of the most attractive advanced hydrogen storage technologies. The design of carbon fiber reinforcements on the dome section of the cylinder is one of the critical challenges in the development of Type IV composite hydrogen cylinders. Conventional design approaches ignored the variable angle of fiber-wound layers and the influence of fiber angle and thickness variations in the dome section on design and often result in… More >

Yao Lu, Xintong Huo, Guangzhen Qu, Yanjun Li, Lei Wang^*

Structural Durability & Health Monitoring, Vol.19, No.4, pp. 919-935, 2025, DOI:10.32604/sdhm.2025.062537 - 30 June 2025

Abstract A response surface method was utilized for the finite element model updating of a cable-stayed bridge in this paper to establish a baseline finite element model (FEM) that accurately reflects the characteristics of the actual bridge structure. Firstly, an initial FEM was established by the large-scale finite element software ANSYS, and the modal analysis was carried out on the dynamic response measured by the actual bridge structural health monitoring system. The initial error was obtained by comparing the dynamic characteristics of the measured data with those of the initial finite element model. Then, the second-order… More >

Joby Mackolil^1,2, Mahanthesh Basavarajappa^1,3, Giulio Lorenzini^4,*

Frontiers in Heat and Mass Transfer, Vol.23, No.2, pp. 529-551, 2025, DOI:10.32604/fhmt.2025.058702 - 25 April 2025

Abstract This article explores the optimization of heat transport in a magnetohydrodynamic nanofluid flow with mixed Marangoni convection by using the Response Surface Methodology. The convective flow is studied with external magnetism, radiative heat flux, and buoyancy. An internal heat absorption through the permeable surface is also taken into account. The governing system includes the continuity equation, Navier-Stokes momentum equation, and the conservation of energy equations, approximated by the Prandtl boundary layer theory. The entropy generation in the thermodynamic system is evaluated. Experimental data (Corcione models) is used to model the single-phase alumina-water nanofluid. The numerical… More >

Guolan Wang, Ting Xie, Lijun Fu, Siying Qu, Jie Li^*

Phyton-International Journal of Experimental Botany, Vol.94, No.3, pp. 953-971, 2025, DOI:10.32604/phyton.2025.060634 - 31 March 2025

Abstract The objective of this study was to determine the optimal proportions of plant growth regulators for growth and non-tube rapid propagation of Cymbidium tortisepalum var. longibracteatum; seedlings were utilized as the material. The effects of various combinations and concentrations of 6-benzylaminopurine (6-BA), gibberellic acid (GA₃), and naphthaleneacetic acid (NAA) on growth and non-tube rapid propagation were assessed through a single-factor testing and response surface methodology. The results indicated that 6-BA at 60 mg/L, GA₃ at 150 mg/L, and NAA at 30 mg/L were the most effective concentrations for promoting leaf buds formation in the single-factor analysis. Response surface… More >