Already, developing economies account for 40 per cent of existing global renewable resources as well as 70 per cent of solar water heating capacity. 目前,发展中经济体已占全球现有可再生资源的40%,以及太阳能热水容量的70%。
Improving Heating Capacity of Heat-supply Network by Distributed Variable-frequency Pump System 利用分布式变频泵系统提高热网的供热能力
Simulative Researches on the Improvements of Heating Capacity of Heat Pumps Using Ejectors 喷射器对热泵制热性能改进的模拟研究
Winter process considering fan coil summer processing capability is proposed based on the relationship between cooling capacity and heating capacity is determined. 在总结风机盘管供冷量和供热量之间的关系基础上,提出根据风机盘管夏季处理能力来确定其冬季处理过程的方法。
Briefly gives an outline of the working theory of air-cooled heat pumps, and analyses the effect of ambient temperature in winter on heating capacity of these units. 简要介绍了风冷热泵的工作原理,分析冬季环境温度对热泵供热能力的影响,提出了布置风冷热泵机组要注意进排风通畅,避免气流短路和热泵运行的特。
The utility model solves the problem of the traditional oscillating compressor that the heating capacity is poor under the low-temperature operating condition. 解决传统摇摆压缩机低温工况下制热能力差的问题。
In view of long time delay, strong disturbance and large heating capacity, combining mathematical model control method with TCS automatic control system, a new furnance controlling idea is presented to make furnance in an optimum state. 针对加热炉具有纯滞后、大干扰、热容量大等特点,把数学模型技术与TCS自动控制系统有机结合起来,使加热炉达到最佳燃烧状态。
Developing heating users by enhancing heating capacity and using natural gas to improve Beijing's environment 利用供热能力和天然气资源发展采暖用户改善首都环境
The DC bus voltage is kept in a high level under different load conditions, so the cooling/ heating capacity of the air-conditioning system is greatly improved. 直流母线电压在各种负载情况下均保持稳定,空调系统的制冷/制热能力得到显著提高。
These performance tests include cooling capacity, heating capacity, normal performance, auto-defrost, environment testing and abnormal testing. 房间空调器试验台就是用于房间空调器的自动化仿真测试设备,可进行空调器的制冷能力、制热能力、一般性能试验、自动除霜试验、环境试验、异常试验等一系列仿真试验。
The functions and principles of cylinder heating capacity of injection molding machine are reviewed, the model for calculating heating efficiency is put forward, the new theory for heating capacity design is endowed, and the design process is reviewed with example. 论述注塑机机筒加热功率的作用和原理,提出了加热效率的计算模型,对加热功率的设计提出了新的理念,并举例说明了其设计过程。
Investigation on Methods Using Liquid Injection to Increase Heating Capacity 液体喷射提高制热量方法探讨
The important alternative way to increase heating capacity is to use single BF gas as main fuel and at same time adopt other auxiliary combustion systems. 同时,以单一高炉煤气为主燃料,辅以其它燃烧系统,是提高加热能力的重要途径。
When indoor temperature keeps constant, the heating capacity and COP will increase with the higher outdoor dry-bulb temperature. 在室内设定温度不变时,制热量与COP随室外干球温度的升高而增大。
Presents the characteristics, types, heating capacity determination and two application examples of the horizontal series two-branch-pipe hot water heating system. 介绍了水平串联双支管热水供暖系统的特点、形式、供暖能力的确定以及两个应用实例。
The rational selection of the hearth intensity for regenerative heating furnace is related to the furnace length, actual heating capacity, heating quality and operation station of the furnace ( inflammation load, furnace pressure, overhauling period and the life of the furnace body). 蓄热式加热炉炉底强度的合理选取与炉子的炉长、实际加热能力、加热质量、炉子的运行工况(燃烧负荷、炉压、检修周期、炉体寿命等)密切相关。
The transient heating capacity, coefficient of performance ( COP), cycle parameters of the ASHP system and frost accumulation amount on the outdoor heat exchanger surface, wall temperature distribution along the heat exchange tubes are measured under frosting conditions. 测量了该空调器在不同室外温度、湿度条件下制热量、性能系数(COP)、系统循环参数、室外换热器结霜量及壁面温度分布随结霜时间的变化。
In this article, firstly, it provides common concrete construction methods in winter and detailed analysis of its application conditions, and calculating methods for necessary heating capacity during winter concrete construction according to the heat equilibrium theory; 本文首先对冬季混凝土常见施工方法及其适用条件作了详细分析,并根据热平衡原理分别给出了冬季混凝土施工中加热保温各环节热能需要量的分析计算方法;
The simulated results of optimal intermediate pressure and transfer temperature from single-stage compression to two-stage compression are given, and the heating capacity, COP, and compressor discharge temperature are simulated. 给出系统最佳中间压力和单级压缩和双级压缩转换点的模拟结果,并对双级压缩制热情况下系统制热量、制热性能系数和排气温度的变化规律进行了模拟分析。
As a result, the heating capacity and quality of heating furnace is improved, the slab surface oxidation burning loss is decreased and the gas consumption reduced and the economic benefit remarkable. 改造后使加热炉提高了加热能力和加热质量,减少了板坯表面氧化烧损,降低了煤气消耗,经济效益显著。
Heating index is the basis to determine total heat load and define the heating capacity of the combined heat/ power generating unit in the district heating engineering design. 在北方地区集中供热工程的设计过程中,采暖热指标是计算总热负荷、确定热电合供机组能力的主要依据之一。
In order to reduce the thermal conductivity and heating capacity and increase the detectivity of array, the suspended structure was formed on silicon wafer by chemical etching of KOH. 为了降低热导和热容,提高探测器的探测灵敏度,用KOH作化学腐蚀完全去除了线性阵列下方的硅衬底,形成悬空结构。
A two-stage compression variable frequency air source heat pump has been developed combining variable frequency technology with two-stage compression cycle, and two control model with the priority target as coefficient of performance ( COP) or heating capacity is advanced in this paper. 将双级压缩和变频技术有机结合,开发出一种适用于寒冷地区的双级压缩变频空气源热泵系统,并提出双级压缩制热工况下效率优先和制热量优先双控制模式。
The scale and heating capacity of central heating are increasing continually following the encouraging policy for central heating in China. And it has great potential and possesses well prospect for optimization operation of steam pipeline network. 目前,国家鼓励发展集中供热,集中供热的规模和负荷不断扩大,巨大的蒸汽供热规模使蒸汽供热系统的优化运行有巨大的潜力和广阔的应用前景。
A huge of lower temperature exhaust water has not been effective use in the recycled water, while thermal power plants are facing the problem of how to expand heating capacity. 电厂循环水存在着大量低温余热没有得到有效利用,同时热电厂又面临着扩大供热能力的难题。
The walking beam heating furnace is one kind of the advanced heating furnaces. The features of it are: large scale of productivity, high utilization of heating capacity and the uniformity of heating effect. 步进梁式加热炉是现阶段比较先进的加热炉,其主要特点是规模大,炉内热值利用率高,板坯加热均匀等。
It was found that the system COP, heating capacity, evaporation capacity and the working fluid flow rate increases along with the evaporation temperature, but decreases when the temperature difference increases, however, the compressor power consumption increases. 计算发现系统COP、制热量、料液蒸发量和工质流量随料液蒸发温度的升高而增大,随传热温差的增大而减小,压缩机功耗增大。
The heat flux system identification method is used to calculate the heating capacity of the high-enthalpy air flow generator based on the measured outer wall temperatures. 通过实验测量的外壁面温度,计算出高焓气流发生器的加热能力。
Though the adoption of the inverter compressor makes it possible to regulate the heating capacity of the heat pump to some extent, it still can not solve those problems due to ultra low suction pressure, such as high compression ratio and the decrease of heating capacity. 尽管采用变频压缩机可以进行一定范围的系统制热量调节,但仍不能克服因吸气压力过低所带来的压缩比太高、制热量下降等诸多的问题。