Mohammad Yaghoub Abdollahzadeh Jamalabadi, Jinxiang Xi^*

Frontiers in Heat and Mass Transfer, Vol.21, pp. 65-79, 2023, DOI:10.32604/fhmt.2023.042613

Abstract As a means of harvesting solar energy for water treatment, solar-driven vapor generation is becoming more appealing. Due to their entangled fibrous networks and high surface area, fibers can be used as building blocks to generate water vapor. In this paper, using a two-dimensional fiber bundle model, we studied the generation of solar vapor based on the fiber height, distance between fibers, and input sun radiation. The performance of solar absorption system was also evaluated by evaluating thermal and water management. Results showed a constant increase in solar vapor generation with an increasing fiber height and decreasing inter-fiber distance. However,… More > Graphic Abstract

Xuejun Zhang^1,#, Muhammad Amjad Bashir^2,#, Qurat-Ul-Ain Raza³, Xiaotong Liu¹, Jianhang Luo¹, Ying Zhao¹, Qiuliang Lei⁴, Hafiz Muhammad Ali Raza^2,3, Abdur Rehim^2,3, Yucong Geng⁴, Hongbin Liu^4,*

Phyton-International Journal of Experimental Botany, Vol.92, No.5, pp. 1349-1360, 2023, DOI:10.32604/phyton.2023.026952

Abstract

The rapidly growing world population, water shortage, and food security are promising problems for sustainable agriculture. Farmers adopt higher irrigation and fertilizer applications to increase crop production resulting in environmental pollution. This study aimed to identify the long-term effects of intelligent water and fertilizers used in corn yield and soil nutrient status. A series of field experiments were conducted for six years with treatments as: farmer accustomed to fertilization used as control (CON), fertilizer decrement (KF), fertilizer decrement + water-saving irrigation (BMP1); combined application of organic and inorganic fertilizer + water-saving irrigation (BMP2), and combined application of controlled-release fertilizer (BMP3).… More >

Mingge Wu¹, Lei Wang¹, Yixiang Wang¹, Cheng Zhang¹, Cheng Qiu^{1, 2, *}

FDMP-Fluid Dynamics & Materials Processing, Vol.15, No.4, pp. 431-444, 2019, DOI:10.32604/fdmp.2019.08209

Abstract Water management in proton exchange membrane fuel cells (PEMFC) is a topic of great importance for the optimization of these systems. Effective proton conductivity calls for moderate moisture content in the membrane, while uneven water distribution can lead to instability of the whole flow field, thereby decreasing the performance of the fuel cell. In the present study, a simplified two-tier hybrid structure is used to investigate the impact of the dynamic behavior of liquid water on the current density of the PEMFC. Simulation results show that water droplets attached to wall sides tend to increase current density. Visualization experiments confirm… More >

Jinghui Jiang¹, Yinshi Li^1,2,*, Jiarong Liang¹, Huaxing Xu¹

The International Conference on Computational & Experimental Engineering and Sciences, Vol.22, No.3, pp. 159-159, 2019, DOI:10.32604/icces.2019.05378

Abstract Water flooding in the cathode is considered as one of the most important factors that impede the performance of direct methanol fuel cells (DMFCs) during the operation of high current density. Therefore, it is essential to study water management of cathode in DMFC. In this work, a two-dimensional, steady-state, two-phase, mass-transport model of DMFC with micro-porous layer (MPL) was developed considering methanol crossover and water crossover processes. Emphasis is placed on investigating parameter design of cathode to relieve flooding in DMFC, further to improve cell performance. The effects of MPL parameters, including porosity and thickness, on water distribution in cathode… More >