化学工程2026，Vol.54Issue(3)：33-38,6.DOI:10.3969/j.issn.1005-9954.2026.03.006
仿生花瓣板熔盐换热器壳侧传热特性
Heat transfer characteristics of shell side of biomimetic petal plate molten salt heat exchanger
摘要
Abstract
To address issues such as uneven flow fields,insufficient heat transfer,high shell-side pressure drop,and large flow dead zones in shell-side flow of molten salt in shell-and-tube heat exchangers,bionic petal baffle shell-and-tube heat exchanger was proposed,aiming to improve flow characteristics and heat transfer performance of molten salt on shell side.Numerical studies were conducted on flow and heat transfer performance of molten salt in shell side of heat exchanger,and results were compared with those of segmental baffle shell-and-tube heat exchanger.The results demonstrate that both heat exchangers exhibit increasing pressure drop and heat transfer coefficient with rising Reynolds number.Compared to segmental baffle heat exchanger,bionic petal baffle heat exchanger exhibits more uniform temperature changes in shell-side fluid flow,flow dead zones decrease significantly,37%to 40%decrease in pressure drop,33%to 37%increase in Nu,and 40%to 47%improvement in overall performance.These indicate that bionic petal baffle can effectively enhance flow and heat transfer performance of molten salt in shell-and-tube heat exchangers,demonstrating significant advantages in reducing shell-side flow pressure drop,minimizing flow dead zones and improving heat transfer efficiency.关键词
管壳式换热器/传热特性/花瓣折流板/熔盐/数值模拟Key words
shell and tube heat exchanger/heat transfer characteristic/petal baffle/molten salt/numerical simulation分类
通用工业技术引用本文复制引用
吴学红,王群龙,刘梦瑶,金立杰,刘勇,吕财..仿生花瓣板熔盐换热器壳侧传热特性[J].化学工程,2026,54(3):33-38,6.基金项目
国家自然科学基金资助项目(52206122) （52206122）
河南省重点研发计划(241111320900) （241111320900）
河南省科技攻关项目(252102320163) （252102320163）
河北中烟工业有限责任公司重点科技项目(HBZY2023A056) （HBZY2023A056）
