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- thermal cycle efficiency 热循环效率
- Hence, there is an improvement in the cycle efficiency. 因此,在循环效率上这是一个改进。
- The thermal cycle lives were calculated and compared according to Coffin-Manson equations. 采用Coffin-Manson方程计算并比较热循环寿命。
- Abstract: Thermal cycle is the most usual and the most efficient screening mode of ESS. 摘要:温度循环是环境应力筛选中最常用、最有效的筛选模式。
- The concept of cycle efficiency coefficient is introduced to analyze the normal cycle of the unit and the reheater desuperheating water cycle. 引入了循环效率系数的概念,对机组正常循环和再热减温水循环进行分析。
- The desire for further increases in cycle conditions and consequent increases in the cycle efficiency, led to the addition of steam reheat during turbine expansion. 对循环条件的要求进一步增加,和循环效率的最终提高,导致了蒸汽在汽轮机膨胀过程中的再热量增加。
- Dimensional stability of the conventional piston Al alloy ZL109, reinforced with aluminosilicate short fiber, in thermal cycle was investigated. 研究了在热循环条件下,硅酸铝短纤维增强的普通活塞铝合金(ZL109)复合材料的尺寸稳定性。
- There will be a small loss of work available from the bled-steam not expanding in the turbine; however, this loss is out-weighted by the gain in cycle efficiency. 没有在汽轮机中膨胀的蒸汽会有一部分可用功的损失;不过,这个损失通过循环效率的提高得以加权。
- The spraying chamber provided with a drenching apparatus.The spayed leather is fed into drying chamber with thermal cycle system with air filter. 喷涂后的皮革输送到干燥室,干燥室具有空气过滤装置的热循环系统,皮革干燥后无灰尘粘结。
- Based on the analysis of the real engine s working process,a new model of irreversible thermal cycle for heat engine is proposed by using the finite time thermodynamics. 在分析实际发动机工作过程的基础上,利用有限时间热力学理论方法,建立了一种新的不可逆热机热力循环模型。
- The results show that center segregation deteriorates the impact toughenss of center part and the parameter of welding thermal cycle has different effect on toughenss of steel. 试验结果表明,中心偏析恶化了连铸钢中心部位冲击韧度,焊接热循环参数对冲击韧度有较大影响。
- The results show a certain time thermal cycle can cause the fracture mechanism change.It varies from original pure shear fracture to microvoid coalescence fracture gradually. 结果表明,一定时间的热循环会造成LF6铝合金焊接接头断裂机理的改变,由未经热循环时的纯剪切型断裂,逐渐过渡成微孔聚集型断裂。
- Zhang Na, Cai Ruixian.Gas turbine thermal cycle analyses considering economic and environmental impacts[J].Journal of Engineering Thermophysics (in Chinese), 1997,18(4): 405-408. [7]张娜;蔡睿贤.;燃气轮机考虑经济性和环保因素的热力分析[J]
- These methods use one or more thermal cycles to produce the desired result. 这些方法是进行一次或多次热循环来产生所需要的结果。
- Pb-free solder;BGA;thermal cycling;dynamic fatigue tests;electrical analysis. 关键词:无铅焊锡;球格阵列构装;冷热循环试验;动态疲劳试验;电性分析
- Abstract: This paper discusses the technology of the big volume box solidification furnace, such as the ideas of thermal cycle way, section temperature difference, automatic control etc. their practical results are notable. 文摘:本文对大容积箱式固化炉设计中的技术问题,如热循环方式、截面温差、自动控制等方面进行了论述,其实用效果显著。
- The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test. 采用焊接热模拟试验和冲击试验,研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
- The results showed that thermal cycle caused residual dimensional changes of the specimens, and with the fiber contents increasing, the extents of dimensional changes decrease obviously. 随着纤维体积分数的增加,样品的尺寸变形程度明显降低。这是由于纤维与基体之间的热膨胀失配引起的内应力造成了热应变的迟滞,从而导致样品的尺寸变化。
- Power for the thermal cycler shall be provided with a manostat or a UPS to avoid the influence on PCR amplification arose by fluctuation of voltage. 热循环仪的电源应专用,并配备一个稳压电源或UPS,以防止由于电压的波动对扩增测定的影响。
- A discussions on the maximum cycle efficiency by using graphics 热机循环极限效率的图像讨论法