1) thermal engine
温差热机
2) temperature Difference
温差
1.
Study on influence of heat-exchanger channel flange seal performance subjected to high temperature difference;
管程介质温差对管箱法兰密封性能的影响
2.
Analysis of temperature differences between top and bottom glass plate of annealing kiln;
退火窑玻璃板上下温差分析
3.
Investigation on surface cracking damage of concrete under big temperature difference;
大温差环境条件下混凝土表面裂缝损伤
3) difference in temperature
温差
1.
Regard structure transition level mass concrete in the skyscraper as the example,this text respect analysthe mechanism of the mass concrete crack from concrete internal and external difference in temperature calculation,concrete thermo-stress calculation etc.
以高层建筑转换层大体积混凝土为例,从施工时混凝土内外温差计算、混凝土温度应力计算等方面,分析了大体积混凝土施工裂缝产生的机理,从而有针对性地采取掺入外加剂,采取保温、保湿及设置加强带补偿收缩等措施,加强混凝土温度监测,有效地防止了转换层厚板大体积混凝土裂缝的产生。
2.
Thinking effect of high temperature, this paper discusses tolerate stress, danger area, difference in temperature stress , and validates that the effect of fins in strength is to reduce stress of difference in temerature.
考虑到高温的影响 ,对材料的许用应力、危险区、温差应力等进行了讨论 ,也验证了翅片管内翅片在强度方面的作
4) temperature differences
温差
1.
Ltd controlled reservoir wall cracks of enhanced pumping station,the article discusses the problems of wall cracks of enhanced pumping station reservoir,and suggests some technical measures to control reservoir wall cracks effectively,such as to reduce to general temperature differences of common con- crete and to enhance the extreme stretch.
文章以湖南某铝业有限公司加压泵站贮水池池壁裂缝控制为例,具体探讨加压泵站贮水池池壁裂缝问题,提出以降低普通砼总温差和提高砼极限拉伸值等技术措施对池壁裂缝进行有效控制。
5) temperature change
温差
1.
The interfacial transition zone(ITZ) of concrete cured in standard condition and in the dry and wide temperature change environment was studied comparatively.
采用显微硬度仪和扫描电镜,对比研究了干燥大温差气候条件和标准养护条件下混凝土界面过渡区的结构和形态。
6) temperature difference
温差:
参考词条
补充资料:热机效率
分子式:
CAS号:
性质:任何变热为功的机器(简称热机)只能把它从高温热源(T2K)吸入的热Q2中的(T1K)。热机效率(用符号η表示)是所做的功W与自高温热源吸收的热Q2的比值η=W/Q2=(Q2-Q1)/Q2。对于卡诺循环(或逆热机),可以证明η=(T2-T1)T2=1-T1/T2。卡诺曾证明,在两个热源之间工作的任何热机的效率不可能超过可逆热机的效率。这个结论称为卡诺定理。因此上式也可以写为η≤1-T1/T2,等号只适用可逆热机。
CAS号:
性质:任何变热为功的机器(简称热机)只能把它从高温热源(T2K)吸入的热Q2中的(T1K)。热机效率(用符号η表示)是所做的功W与自高温热源吸收的热Q2的比值η=W/Q2=(Q2-Q1)/Q2。对于卡诺循环(或逆热机),可以证明η=(T2-T1)T2=1-T1/T2。卡诺曾证明,在两个热源之间工作的任何热机的效率不可能超过可逆热机的效率。这个结论称为卡诺定理。因此上式也可以写为η≤1-T1/T2,等号只适用可逆热机。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。