查询词典 heat exchanger

The equation of heat transter on radiant type heat exchanger with fin s is established in the condition that thought of radiation heat transfer among fin s, base and out wall.

在考虑肋片与内外管壁的辐射换热情况下，建立了带肋片辐射换热器的传热方程，举例说明了计算方法，并与不考虑肋片与内外管壁的辐射换热的结果进行了比较。

It is found that the overall heat transfer will be increased if there are more heat transfer area in the diagonal region starting from the crosspoint of two streams for crossflow heat exchanger.

在维持总传热面积不变的条件下，于叉流换热器冷热流体相交点区域，及由该点所在对角线从两侧往对角线中心区域增加局部传热面积，可改善温差场的均匀程度，从而提高效能。

In the meantime, Ingersoll and plass Kelvin line source in accordance with the concept of the underground pipe line heat source heat exchanger theory, but at that time because of low energy prices, high system costs, has not been widely applied. 70 era, the oil crisis put people's attention to the energy-saving, cost-effective use of energy, so that the development of ground-source heat pump into the climax stage, when the underground pipe from an early plastic pipes replaced by the amount of possession.

在此期间，Ingersoll和Plass根据Kelvin线源概念提出了地下埋管换热器的线热源理论，但当时由于能源价格低，系统造价高，没有得到广泛应用。70年代，石油危机把人们的注意力集中到节能、高效益使用能源，使地源热泵的发展进入了高潮阶段，此时地下埋管已由早期的金额管改为塑料管。

--- Ambient air (2) is canalized and cooled in a free space (4) delimited by a thermally insulated enclosure (1) and a radiating heat exchanger (3) of which the outer face (6) is heat-absorbing and the inner face (5) is heat-radiating.

摘要---周围空气中（ 2 ）是渠化和冷却，在一个自由的空间（ 4 ）分隔由一个热绝缘外壳（ 1 ）及辐射换热器（ 3 ），其中外面对（ 6 ）是吸热和党内面对（ 5 ）是热辐射。

Single-phase forced convective heat transfer inside tube is an important research realm in the technology of heat transfer enhancement. It plays an important part in saving energy and decreasing the volume and weight of heat exchanger.

管内单相流体强制对流换热是强化传热技术的重要研究领域，其在降低换热器的能源消耗，减小换热器的体积和重量起着十分重要的作用。

Heat exchanger of imported heat-resisting stainless steel and scientific design insures it has high efficiency of heat exchange and a long service life.

用进口耐热不锈钢加工的热交换器，使用寿命长，热交换率高。

Heat exchanger of imported heat-resisting stainless steel and scientific design insures it has high efficiency of heat exchange and a long service life.

配件简介； 1、用进口耐热不锈钢加工的热交换器，使用寿命长，热交换率高。

The research and industrial application of high temperature heat pipe heat exchanger represented by liquid metal heat pipe technology was introduced.

介绍了以液态金属热管技术为代表的高温热管换热器的研究与工业应用。

This is to introduce the research and industrial application of high temperature heat pipe heat exchanger represented坊liquid metal heat pipe technology.

本文介绍了以液态金属热管技术为代表的高温热管换热器的研究与工业应用。

Heating boiler, burning device, complementing machine and control system for boiler; Heating radiator, temperature-controlling valve, hot measuring instrument and meter , electric heater , heat exchanger; Central hot water system , hanged heating stove , solar water heater , pot-type boiler , hygiene hot water equipment for bathroom and kitchen , heating equipment of sauna and swimming pool, etc.; Central heating technology and equipment, heat transmission equipment , geo-thermal energy heating equipment , floor radiation heating equipment , exothermic cable heat equipment , electro thermal membrane heating equipment , radiation heating equipment ,etc.

采暖供热锅炉、燃烧器、锅炉辅机及控制系统；采暖散热器、温控阀、热计量仪器仪表、电热器、换热器；中央热水系统、采暖壁挂炉、太阳能热水器、家用热水器、浴室厨房卫生热水设备、桑拿游泳池供热设备等；集中供热技术及设备、换热设备、地热供热采暖设备、地板辐射供暖设备、发热电缆供暖设备、电热膜供暖设备、辐射采暖设备等。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。