搜索结果: 1-11 共查到“动力与电气工程 Cooling”相关记录11条 . 查询时间(0.031 秒)
As the world gets warmer, the use of power-hungry air conditioning systems is projected to increase significantly, putting a strain on existing power grids and bypassing many locations with little or ...
第二届高温超导应用冷却系统国际研讨会（2nd International Workshop on Cooling Systems for HTS Applications）
第二届 高温超导应用冷却系统 国际研讨会
2017/5/24
The European Cryogenics Days 2017 will be organised in conjunction with the 2nd International Workshop on Cooling Systems for HTS Applications in Karlsruhe, Germany, 13 -15 September 2017. This meetin...
Study shows tectonic plates not rigid, deform horizontally in cooling process（图）
cooling process rigid
2014/12/1
The puzzle pieces of tectonic plates that make up the outer layer of the earth are not rigid and don't fit together as nicely as we were taught in high school.
Passive radiative cooling below ambient air temperature under direct sunlight
Passive radiative cooling below ambient temperature direct sunlight
2015/8/6
Cooling is a significant end-use of energy globally and a major driver of peak electricity demand. Air conditioning, for example, accounts for nearly fifteen per cent of the primary energy used by bui...
Experiments of flow and heat transfer performances for air-cooling laminated turbine vane
flow performance heat transfer static cascade
2014/6/9
Flow resistance and heat transfer coefficients of typical double wall laminated film cooling configuration within a turbine vane were experimentally studied. The specimen was in large scale, and made ...
高压直流阀冷系统漏水检测功能的改进（Improvement of Leakage Detection in Valve Cooling System for HVDC Transmission Systems）
高压直流输电 阀冷系统 漏水检测
2010/8/17
分析了南方电网中3回高压直流输电系统中的阀冷系统漏水检测与保护功能，发现均存在一定设计漏洞，装置有可能因此出现误动和拒动，建议在天广直流系统以及高肇直流系统的阀冷控制系统中增加判据，使之功能更完善。
Heat transfer during cooling of hot surfaces by water nozzles
heat transfer coefficient cooling of surface continuous casting of steel
2009/10/23
Method of cooling in a secondary zone of continuous casting of steel has a significant influence on a quality of continuously cast products mainly from the point of view of internal and surface defect...
TWO-DIMENSIONAL MODELING OF WATER SPRAY COOLING IN SUPERHEATED STEAM
cooling water spray formation break up model
2009/10/14
Spray cooling of the superheated steam occurs with the interaction of many complex physical processes, such as initial droplet formation, collision, coalescence, secondary break up, evaporation, turbu...
几何参数化计算的柴油机冷却风道键合图模型（Geometry Based Parametric Bond Graph Model of Diesel Cooling Fan-channel Analysis）
柴油机 冷却系统 风扇 流道
2009/9/2
为确定柴油机散热系统的空气流量及空气流速分布规律，以研究散热性能和风扇风道几何参数之间的关系，建立了风扇风道几何尺寸参数化计算的冷却风道键合图模型。通过分析风扇的尺寸和空气动力性能，应用键合图方法分析风扇风道的功率损失，建立了系统模型，系统模型参数均为元件几何参数及空气特性参数，提出了散热器出风口风速分布预测方程，实现了以风扇转速为输入的散热器风道的流量计算及出风口风速分布预测。样机的现场风速测量...
龙眼压差通风预冷装置风速控制与能耗分析（Air Velocity Control and Energy Analysis in Forced-air Pre-cooling Device of Longan）
龙眼 压差通风预冷 能耗
2009/5/22
针对龙眼的物理特性，设计了一套龙眼压差通风预冷试验装置。根据果蔬压差预冷7/8时间特性，通过试验得到了龙眼包装箱压差与风速关系以及异步电动机频率与风速关系。进一步研究龙眼压差预冷装置能耗与风速关系可知，对于龙眼果实，较小的风速预冷能耗较小，预冷时间较长；当预冷时间按要求设定时，在风机允许范围内控制风速按一定规律递增，直到龙眼终止温度，可以在设定时间内完成龙眼预冷，且能耗最小。
Assessment of Power Augmentation from Gas Turbine Power Plants Using Different Inlet Air Cooling Systems
Power augmentation temperature control evaporative cooling
2010/1/14
In this paper, the influence of air cooling intake on the gas turbine performance is presented. A comparison between using
different cooling systems, i.e., evaporative and cooling coil, is performed....