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多能互补的综合能源供热系统工程设计及优化 [PDF]

open access: yes全球能源互联网, 2021
多能互补的综合能源供热系统能够利用各种能源的特点,提高能源利用效率及经济性。针对综合能源供热系统,从建筑物的逐时热负荷预测及建立通用的供热设备参数优化方法两个方面展开研究。依据室内热平衡方程、建筑物围护结构传热模型、供热末端传热模型,建立建筑物热负荷、室内温度及供热末端所需最低供水温度的联合计算模型。以每个时刻供热成本最低为原则,考虑到不同供热设备供水温度与供热末端所需供水温度相容性,建立综合能源供热系统实时调度模型。基于前述的调度模型,采用遍历算法,计算不同参数组合的供热设备所对应的供热系统年化总费用,
熊显智   +4 more
doaj   +1 more source

Combined Drying of Heat Pump with Hot Air for Southern Corrugated Rice Noodles(南方波纹米粉丝的热泵-热风组合干燥工艺研究) [PDF]

open access: yesShipin kexue jishu xuebao, 2018
With the dry effect evaluating value, comprehensively reflecting the product quality, energy consumption, and drying rate during drying of southern corrugated rice noodles.
LI Jianxiong(李健雄)   +8 more
doaj   +1 more source

测量热流和温度的传感器及高温下测量热流与温度的方法

open access: yes, 2010
本发明公开了一种多功能传感器及高温下测量热流与温度的方法,其中多功能传感器包括外壳和热流测头,外壳上设置热流测头,热流测头包括热流探头和热沉,热沉与热流探头相连容置在外壳内部与热流探头组成热电偶,所述外壳内还设置有用于冷却热流测头的冷却装置和用于测量热沉温度的另一热电偶,两热电偶与检测仪相连,通过测量出两热电偶的电压信号实现热流和温度的检测。本发明公开的测量方法通过测量低温的温度,建立数学模型推导得出高温处的所测温度。本发明的多功能热传感器能够在高温环境下测量热流和温度 ...
王晶, 李龙, 范学军, 仲峰泉
core   +2 more sources

加热炉内钢的温度测量

open access: yes, 1986
1.引言适时准确地测出加热炉加热段钢的加热温度,控制加热温度和加热时间,对防止钢的过热,过烧和氧化脱碳是国内钢铁部门老企业技术改造挖潜节能的重要技术措施之一。目前国内广泛使用的炉温检测控制方法,多是在炉顶内壁安置热偶测量炉气综合温度,再折合到钢的表面温度,精度约5%
赵裕钤, 李红德, 高灵智
core   +2 more sources

基于数值求解的油浸式变压器瞬态热点温度计算

open access: yesGaoya dianqi, 2023
文中分析了变压器温度流体场耦合数值仿真求解方法,基于互感器小模型的温度流体场计算确定了瞬态数值求解的时间步长和迭代步数,进而对一台S13-M-100kVA/10kV型油浸式变压器的三维温度流体场进行了瞬态数值仿真。与预埋光纤的变压器温升试验获得的绕组瞬态热点温度相比,变压器绕组瞬态热点温度数值仿真结果与试验结果最大偏差不超过3%,基于经验公式计算的热点温度平均相对偏差为9.8%,验证了文中变压器温度流体场仿真模型的有效性及准确性。
张健   +4 more
doaj  

分体式油浸自冷变压器三维温度场和流场仿真与分析

open access: yesGaoya dianqi, 2021
分体自冷式变压器内部温度场的仿真分析多基于二维仿真,缺乏对油流流场影响的分析。文中建立110 kV水平分体式油浸自冷变压器的三维全尺寸模型,采用有限元分析方法仿真变压器内部温度场和流速场的分布,研究变压器本体与散热器间的水平布置距离对温度场和流速场的影响,分析变压器流场和温度场的耦合关系,并采用短路法温升试验验证仿真结果的准确性。结果表明,变压器内部热点出现在低压绕组B相两侧距绕组底部约0.68 H处,热点温度达369.7 K。随着变压器本体与散热器间的水平布置距离的增大 ...
蒋惠中   +5 more
doaj  

Rapid Removal of Binder From Spent Lithium‐Ion Batteries by Microwave Radiation for Enhanced Flotation Separation of Anode and Cathode Materials

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Achieving rapid and selective separation of anode and cathode materials remains a critical challenge in the recycling of spent lithium‐ion batteries. This study develops a microwave‐enhanced flotation strategy for the efficient recovery of cathode and anode materials.
Peiyuan Ye   +5 more
wiley   +1 more source

氩电弧加热发动机羽流温度测量

open access: yes, 2011
采用自行搭建的发射光谱和双静电探针系统,测量了氩电弧加热发动机出口附近的羽流激发温度和电子温度,结合推力和推力效率数据,导出了相近条件下的平均气体温度。结果表明:激发温度和电子温度远高于平均气体温度,羽流显著偏离局域热力学平衡状态 ...
潘文霞, 孟显, 吴承康
core   +2 more sources

Anisotropic MoS2/SiC Aerogels: A Multifunctional Platform for Broadband Electromagnetic Stealth and Thermal Management

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT To address the demand for high‐temperature stability, broadband strong absorption, and multifunctional integration of electromagnetic wave absorbing materials in complex service environments, lightweight molybdenum disulfide (MoS2) decorated silicon carbide (SiC) nanofiber composite aerogels with a directional layered interconnected structure ...
Zhi Song   +4 more
wiley   +1 more source

Designing Additive‐Manufactured High‐Performance CoCrNi Matrix Composites Based on Grain Boundary Segregation

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Through grain boundary segregation engineering, a crack‐free high‐strength CoCrNi medium‐entropy alloy (MEA) can be successfully fabricated via laser powder bed fusion (PBF‐LB). The influence of micron‐sized TiC particles on microstructural evolution, grain boundary segregation behavior, and mechanical properties was systematically ...
Cunliang Pan   +9 more
wiley   +1 more source

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