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| 1 | 降低再热能耗的空调热回收系统分析显示文摘为降低一次回风全空气空调系统空气处理机组再热能耗,提出两种改进空调热回收系统,分别是混风热回收系统和新回风热回收系统。基于空调系统空气处理流程的分析,结合热力学第一定律、空气处理机热质传递方程,建立了这两种空调热回收系统能耗的计算模型。在此基础上,以昆明地区为例,考察了空调室外新风参数、空调区域热湿比、新风量及送风量等主要因素对热回收系统能耗与效率的影响,并与常用回风热回收系统和一次回风系统进行了比较。研究结果表明,在温和地区采用新提出的两种热回收系统均比一次回风系统节能60%左右,消除了一次回风全空气系统存在的'冷热抵消'现象;新提出的两种热回收全空气系统能有效减少换热器初投资,缩短热回收设备投资回收期。 | 王维蔚 王辉涛 韩金蓉 葛众 黄靖伦 | 2018 | 化工进展2018，37，11： | 2 |
| 2 | Assessment of Different Optimization Algorithms for a Thermal Conduction Problem显示文摘In this study,three computational approaches for the optimization of a thermal conduction problem are critically compared.These include a Direct Method(DM),a Genetic Algorithm(GA),and a Pattern Search(PS)technique.The optimization aims to minimize the maximum temperature of a hot medium(a medium with uniform heat generation)using a constant amount of high conductivity materials(playing the role of fixed factor constraining the considered problem).The principal goal of this paper is to determine the most efficient and fastest option among the considered ones.It is shown that the examined three methods approximately lead to the same result in terms of maximum tem-perature.However,when the number of optimization variables is low,the DM is the fastest one.An increment in the complexity of the design and the number of degrees of freedom(DOF)can make the DM impractical.Results also show that the PS algorithm becomes faster than the GA as the number of variables for the optimization rises. | Mohammad Reza Hajmohammadi Javad Najafiyan Giulio Lorenzini | 2023 | Fluid Dynamics & Materials Processing2023，19，1： | 0 |
| 3 | 网翅片换热器换热性能的实验研究显示文摘换热器空气侧换热效率低是换热器领域的难点,管翅换热器是目前应用广泛、性能较优的换热器。为了寻求更好的换热器制作材料,以铜网片替代管翅换热器的板翅片,研制三种与市售管翅换热器同等尺寸(40×80×180 mm)的网翅片换热器进行换热性能实验对比,实验结果表明:研制的网翅片换热器相比于管翅换热器,在自然对流下热阻能降低35%;在强制对流下热阻能降低75%,网翅片换热器的温升是管翅换热器的20%。 | 岳兴鹏 靳斌 | 2022 | 低温与超导2022，50，3： | 0 |
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