| 1. | The joints heat up as a result of the joule heating effect 焦耳热效应造成焊点温度提高。 |
| 2. | The effect of joule heat and mineral matter on conductivity of coal 偏转特性对自激振荡射流的影响 |
| 3. | Rail and armature joule heating of an electromagnetic rail gun 电磁轨道炮导轨和电枢中的焦耳热分析 |
| 4. | As an electric current passes through , the joule heating and electromigration effects occur in the flip chip solder bumps 当电流通过焊点时,会伴随产生焦耳热效应和电迁移效应。 |
| 5. | 3 the analytical solution of steady - state temperature field with internal joule heat generation for sound structure is firstly investigated 3 、研究了在焦耳内热源条件下,无缺陷结构稳态热传导问题,并获得了其解析的求解方法。 |
| 6. | The heat conduction problems with joule heats are greatly simplified and no matter how the joule heat is distributed and no matter which coordinates are adopted , this method is still available 此方法使焦耳内热源温度场问题得到简化,并且不论焦耳热源的分布如何,不论何种正交坐标系均可采用。 |
| 7. | It is difficult to achieve the analytical solution of temperature field with internal joule heat generation under steady state electric field , especially when the distribution of the joule heat is complicated 摘要在稳恒电场条件下,尤其是当焦耳热分布情况很复杂时,求解含焦耳热源的稳态热传导问题解析解具有一定的困难。 |
| 8. | On the research of cfrc , infrared thermograph detection under joule heat by adding voltage to the cfrc specimens is found to be a feasible and effective method of inspection , which can avoid the defects 在碳纤维混凝土( cfrc )的研究中发现,对碳纤维混凝土试件进行外加电压的焦耳内热源红外检测可以改善上述存在的局限性。 |
| 9. | Supported by the 863 program under grants no . 2002aa005010 - 1 and national science foundation under grants no . 50078042 , this dissertation makes use of the joule heating effect of carbon fiber electrically conductive concrete to deice or melt snow 本文在“ 863 ”高科技项目(编号: 2002aa005010 - 1 )和国家自然科学基金项目(编号: 50078042 )的资助下,以碳纤维导电混凝土的电热效应来达到融雪化冰的目的。 |
| 10. | The main work lists as following : 1 on the condition that cfrc is an macroscopically isotropic material , the governing equations of electric and thermal conduction for the inspection were established ; the current density and joule heat distribution around several kinds of flaws were investigated 2 by fem , the process of inspection was simulated ; the current density , joule heat and temperature distribution were also investigated , and the simulation results were contrasted with experimental data 主要工作为: 1 、将机敏混凝土合理假定为宏观各向同性材料的基础上,建立了检测过程中的热、电传导相关的控制方程;并研究了几种不同缺陷周围检测过程中的电流密度、焦耳热分布规律。 2 、通过有限元方法对机敏混凝土的电热场进行了模拟分析,研究电流密度、焦耳热分布及试件表面温度分布变化规律并与实验所得试件表面温度场进行了对比分析研究。 |