摘要
目的:研究折叠冰箱内部整体气流分布和温度场分布,优化折叠冰箱结构,使其具有最大的有效存储空间和获得最佳的保温外罩厚度。方法:采用CATIA软件对折叠冰箱进行建模,采用FLOEFD对折叠冰箱整体的风场分布和温度场分布进行有限元仿真分析,获得完整的温度及风场分布模型;并实验验证仿真结果的准确性,进行优化设计仿真。结果:通过仿真优化设计获得折叠冰箱保温外罩的最佳厚度为25 mm,折叠冰箱有效容积为距离保温外罩83 mm以内的空间。结论:建立了折叠冰箱的风场分布模型和温度场分布模型,为折叠冰箱结构参数的设计提供了优化设计的方法,验证了仿真模型的正确性;实现了折叠冰箱结构紧凑、坚固耐用、储运方便的设计目标,满足了野外储运和使用的要求。
Objective To investigate the internal integral gas flow distribution and temperature field distribution of folding refrigerator and to optimize its structure in order to obtain the maximum effective storage space and the best insulation cover thickness, Methods CATIA software was applied to model folding refrigerator. FLOEFD was applied to make finite element simulation analysis of gas flow distribution and temperature field distribution of the whole device. A model of integrated temperature field and gas flow distribution was obtained. Moreover, the simulation result was tested and verified through experiments. Optimized simulation design was also carried out. Results It was proved by the optimized simulation design that the best thickness of insulation cover was 25mm and the effective volume of folding refrigerator was the inner space within 83mm distance to the insulation cover. ~~ The simulation design establishes the model of gas flow distribution and temperature field distribution, which provides a method for optimizing structure parameters of folding refrigerator. The correctness of simulation model is also verified. The targets of folding refrigerator like compact structure, sturdiness and durableness, and easy storage and transport are achieved, which can satisfy the requirements of field storage, transport and using.
出处
《医疗卫生装备》
CAS
2012年第7期7-9,共3页
Chinese Medical Equipment Journal
基金
全军"十一五"专项科研项目(06D002)
关键词
折叠冰箱
冷链装备
FLOEFD
应急医学救援
有限元
folding refrigerator
cold chain equipment
FLOEFD
emergency medical aid
finite element
