冷却

The text also explains the kernel question that we should be cautel at the whole process,points out that we must reduce the life-span wasting of the assembly,controls the speed of cooling strictly,the system and operation should be simple do our best,avoids larger difference of temperature and bulge,lessens the distortion of cylinder.

本文还对快速冷却时应注意的核心问题加以说明，指出在强制冷却过程中必须尽量降低汽轮机部件寿命损耗，应严格控制冷却速度，冷却系统及操作力求简单，防止产生过大的温差、胀差及变形。

This paper introduces the food refrigerated theory and the basis of the current industry refrigerated developments in the situation; And then in the long cylindrical-shaped food heat conduction process and the mathematical model using the method of differential thermal conduction equations for discrete, Programming come through long cylindrical-shaped food cooling process numerical solution; After further analysis of numerical solution of the test results; Finally, the impact of the cooling process food all relevant factors, such as moisture content, wind speed and temperature of the cooling medium for in-depth research, while comparing the different shapes of food to food cooling process.

本文首先介绍了有关食品冷冻冷藏的基础理论和目前冷冻冷藏行业的发展的发展概况；然后研究了长圆柱状食品热传导过程的数学模型并利用差分的方法对热传导方程进行离散，通过编程得出长圆柱状食品冷却过程的数值解；之后再分析解对数值解的结果进行验证；最后对影响食品冷却过程的各相关因素，如含水率、风速和冷却介质温度等进行了深入的研究，同时又对比了不同形状的食品对食品冷却过程的影响。

Cooling air flow through the low-temperature part then effuse from the high-temperature part. This can enchance the efficiency of radiation and reduce radiators of each locomotive.Furthermore, it syffice for use of diesel engine and reduce needed assistant power to cool fans.

冷却空气从进风面进入前部低温冷却芯子，后再经高温冷却芯子，从而提高了散热器效率，减少了装车散热器单节数，同时满足了柴油机高低温系统的散热要求，又可降低冷却风扇所需的辅助功率。

The freezing on the cooling water column of heating power plant in winter can cause serious damage to the equipment.

热电厂冷却水塔冬季结冰对设备损坏严重，通过分析冷却水塔易结冰的部位和结冰原因，在比较各种冷却水塔冬季防冻方案后，最终采用自流反射双向化冰防冻管并加大进入防冻管的热水量来解决冷却水塔冬季结冰问题。

Thermal comfort and indoor air quality requirements are presented; the contents cover the following topics:(1) Concept of air-conditioning,(2) Thermal principle,(3) Psychrometry and wetted-surface heat transfer,(4) Heating and cooling-load calculations,(5) Air-conditioning systems,(6) Fan and duct system,(7) Pumps and piping,(8) Cooling and dehumidifying coils,(9) Air-conditioning controls,(10) Absorption refrigeration,(11) Heat pump,(12) Cooling towers and evaporative condensers.

课程大纲本课程将介绍空调工程与系统设计，藉由湿空气线图讨论空气调节之过程，分析人体舒适与空气品质之需求，及各种空调设备系统之设计，内容涵盖如下：(1)空调的概念(2)热原理(3)湿空气与湿表面热传(4)加热与冷却负荷估算(5)空调系统(6)风扇与风管系统(7)泵与管路配置(8)冷却与除湿盘管(9)空调自动控制(10)吸收式冷冻系统(11)热泵(12)冷却水塔与蒸发式冷却。

And at this basement, analyzes the matching design between screw propeller and diesel engine, according design theory of screw propeller chart.

目前常用的螺旋桨图谱匹配设计涉及大量图、表及繁多复杂的计算公式，并且各图表有特定的适用范围，不利于设计应用和推广；船舶冷却系统中冷却水流量、水泵排量等主要依据主机标定点设计，而船舶在实际航行过程中主机主要运行在部分负荷状态，这样就造成了冷却能力过剩，冷却水温度过低，影响主机性能的发挥。

By using the silicomolybdic yellow colorimetric method, the paper determines not only the existing form of soluble glass in the newly made-up, being used, and discarded cooling liquid,but also the relation of the stability of cooling liquid to the concentration and standing time of monosilicic acid and total silicic acid. The relation of the concentration of polysil...

本文采用硅钼黄比色法测定新配制、使用中和报废冷却液中的水玻璃存在形态和研究冷却液的稳定性与单正硅酸、总硅酸的浓度和放置时间的相关性；用四氢呋哺萃取比色法测定冷却液中的高聚硅酸含量与放置时间的相关性；研究用超声波、磁场等物理方法处理废冷却液的再生可行性及水玻璃的形态变化。

Applications concerned herein were: the broken through tech in control rolling and control cooling of bar and wire steel, UFC of bearing steel after rolling to control carbide distribution, UFC of hot rolling sheet steel for complex phase control, reforming of hot rolling sheet steel mill performing UFC and the establishment of new cooling system of heavy and medium plate mill strengthened with UFC.

这些应用包括棒线材控轧控冷技术突破和应用、轴承钢的轧后超快速冷却控制碳化物分布、利用超快速冷却技术进行热轧带钢组织复相化控制，以及热轧带钢轧机实施超快速冷却装置的改造和中厚板轧机实施超快速压力喷射式冷却+ACC的新式冷却系统的建立。

The cooling forces are calculated by using the optical Blochequation and dressed-state reperetation.Especially,the evaporative cooling,by whichthe Bose-Einstein condensations of atoms are realized,are studied theoretically.

用光学布洛赫方程和缀饰态图象分析了基本冷却力，随后对多普勒冷却、亚多普勒冷却和亚单光子反冲极限冷却的机制及实验方法进行了全面地研究，尤其对实现玻色-爱因斯坦凝聚的蒸发冷却作了原理性分析。

The conversion of available energy in different evaporative cooling processes is analyzed and evaluated in Chapter 3. As results, exergy of moist air is suggested to be evaporative cooling potential and regenerative evaporative cooling will be most potential in effectively utilizing the available energy.

第三章对蒸发冷却过程能量及有用能转换关系进行了研究，阐明了湿空气〓作为蒸发冷却潜力的合理性，对蒸发冷却方案的〓分析评价指出了各种蒸发冷却方式的适用性与合理的使用原则以及提高蒸发冷却过程有用能利用率的发展方向。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。