Finally, the influence on the economy of the heat source temperature is presented.
最终本文提出了热源温度的经济性影响的问题。
The results of the investigation show that under a relatively low heat source temperature the thermal and exergy efficiency of the system may attain in excess of 30%.
结果表明,在较低的热源温度下,系统的热效率和火用效率可以达到30 %以上;
Otherwise, when the indoor heat source temperature is high, the radiation heat flux is the main factor and the radiant panel should be placed as near to the heat sources as possible.
当室内热源温度较高时,辐射板与热源的辐射换热量增大,辐射换热量为主导因素,因此应将辐射板布置在靠近高温热源的位置。
To raise the temperature of an object, it is necessary either to add heat to it from some source at higher temperature or to do work on it.
要提高一个物体的温度,必须从一个温度较高的热源给这一物体加热或者对它作功。
The temperature of the steam produced varies, depending on how hot the source is and how much heat it loses on its way to the surface.
产生的蒸汽温度不一,这取决于热源的温度以及通向地表过程中损失的热量。
It might involve omitting especially awkward readings; or where, for example, a heat source like an airport has sprung up alongside a weather station, inputting a lower temperature than the data show.
其间可能涉及到略去一些偏差较大的实验数据,亦或,热源(比如说飞机场)靠近气象站时,实验结果的输入就比实际数据要低一些。
Process integration aspects when choosing heat source size and temperature are also discussed as well as the relation between these parameters and the choice of heat pump type.
当选择热泵尺寸和温度时,整体考虑了个方面的因素,也考虑了这些参数与热泵形式选择之间的关系。
A fire requires fuel to burn, air to supply oxygen, and a heat source to bring the fuel up to ignition temperature.
一把火需要燃料来燃烧、空气来提供氧气还有使燃料到底燃烧温度的热量。
It has much characteristic such as high temperature, large density of heat discharge and controlled atmosphere, and it supplied a new heat source.
它具有温度高、热流密度大、气氛可控等特点,它为钼的提取及冶炼提供了一个新的的热源。
The effect of a volumetric heat source induced by pulse laser heating in the temperature fields of a fine round ceramic bar was investigated experimentally and theoretically.
用脉冲激光模拟微小圆柱陶瓷棒的脉冲内热源情形,实验研究了脉冲内热源对圆柱陶瓷端面温度场变化施加的影响。
The heat pump system with flash-tank can effectively improve the efficiency and reliability of air-source heat pumps running in low-temperature environment.
带闪发器的热泵系统可以有效地改善空气源热泵在低温环境下运行的制热性能和运行可靠性。
When the temperature of heat source is relatively low, the falling film generator in the lithium bromide absorption machine can improve its heat and mass transfer performance.
热源温度较低时,在溴化锂吸收式制冷机或热泵中使用降膜式发生器可以改善传热传质的性能。
The limitation of the single-effect LiBr absorption chilling circle driven by the low temperature solar energy heat source require adopting auxiliary means for proper operation.
由于单效溴化锂吸收制冷循环受太阳能热源温度较低的限制,需要采用适当的辅助手段。
An evaluation index, named temperature effectiveness based heat source, is proposed. And the inverse problem of hybrid temperature diffusion is discussed.
提出了适用于评价控制区域内最大温度的评价指标——基于热源的温度效率,并探讨了复合温度扩散反问题。
Simulates the thermodynamic characteristic of the air side heat exchanger of an air source heat pump under different air temperature and relative humidity.
用计算机模拟空气源热泵风侧换热器在不同环境温度和相对湿度条件下运行的热力特性。
It is proved that under certain conditions, the periodic change of heat supply from heat source has caused little fluctuation in room temperature, and will not influence heat-supply quality.
证明了在一定条件下,热源供热量周期性变化引起的室内温度的波动幅度有限,不影响供热质量。
The COP of the ground source heat pump is higher than that of the air source heat pump because of the soil annual temperature change characteristics.
由于土壤温度的全年温度变化特性,地源热泵比空气源热泵具有更高的COP。
Heat source models for calculating temperature field were discussed, Gauss distributed source model and double ellipsoid heat source model were established.
讨论了计算温度场的热源模式,给出以高斯函数分布和双椭圆体能量密度分布的两种热源模式。
A evaluation index, named temperature Effectiveness Based Heat Source, is proposed. And the inverse problem of hybrid temperature diffusion is discussed.
提出了适用于评价控制区域内最大温度的评价指标——基于热源的温度效率,并探讨了复合温度扩散反问题。
With the gas water heater as heat source, low temperature floor radiation heating of dwelling is introduced.
介绍了对民用住宅,以燃气热水炉为热源,采用低温地板辐射采暖技术。
The simulation results show that when inner heat source changing with temperature, the inner heat ascend velocity increases gradually and coal is in danger circumstance.
计算结果表明,内热源强度随温度变化时温度上升速率逐步加快,煤粉处于危险情况。
This FBG sensor system can monitor temperature fluctuation of ground-source heat pump for a long period, and the monitored results accord well with theoretical ones.
该光纤光栅温度传感系统对地源热泵长期工作状态进行了监测,监测结果与理论计算结果符合很好。
This article established displacement natural ventilation model caused by point heat source of two joined rooms. The room vertical temperature profile was simplified as two uniform zones.
本文建立两相连房间点热源作用引起的置换自然通风模型,将室内垂直温度分布简化为上、下两个均匀混合区域。
In this paper, the possibility of heat exchanger used in the development of low-temperature heat source, including the solar energy source, is discussed.
本文论述了高效小温差换热器的研究对于开发低温能源、包括太阳能低温热发电的重要意义。
It is found the intermittent running is possible to meet the request of indoor environment, and the running time is decided by outdoor temperature and indoor heat source mainly.
发现此类供暖系统采用适当间歇运行即可满足室内热环境要求,运行时间主要受室外温度和内热源变化规律影响。
The PLC unit and the touch screen are employed for local control of the system to achieve precise adjustment to the temperature of heat source, the speed and flow of air.
控制系统用PLC作为下位机进行现场控制,通过触摸屏输入开关、频率、温度等信号,实现对使用的热源温度,风速,流量等进行精确的调节。
The unsteady state temperature field of the tire base on the two heat source.
轮胎非稳态温度场的研究就是基于这两种热源。
The unsteady state temperature field of the tire base on the two heat source.
轮胎非稳态温度场的研究就是基于这两种热源。
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