Addressing the issue that existing research lacks quantitative analysis of the relative contributions of each heat transfer process in plate‑type evaporative condensers,which restricts precise performance optimization,this study investigates the relative contributions of air‑wall convective heat transfer,spray water convective heat transfer,and evaporative heat transfer in a novel plate‑type evaporative condenser through theoretical analysis and quantitative comparison.It systematically analyzes the influence of different air velocities and spray water flow rates on heat transfer performance and pressure drop characteristics.Numerical simulation models for the novel high‑efficiency plate‑type evaporative condenser were established under dry and wet operating conditions,respectively,and its heat transfer performance was compared with that of a traditional tubular structure.The results show that convective heat transfer from the spray water and the evaporation process together contribute over 80% to the total heat transfer in the plate‑type evaporative condenser.Compared to the traditional tubular structure,under the same air velocity,the total heat transfer of the novel plate‑type evaporative condenser can be increased by up to 6.19%,while the flow resistance is significantly reduced.Under the condition of a spray water flow rate of 20 m3/h,the pressure drop is only about 70.8% of that of the tubular structure,demonstrating its comprehensive advantages in enhanced heat transfer and reduced power consumption.Additionally,appropriately increasing air velocity and spray water flow rate can both enhance heat transfer.This research provides important theoretical basis and data support for the optimal design of plate‑type evaporative condensers.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |