太阳辐射对热泵系统的室外空气换热器的热工性能有显著影响。
The influence of solar radiation on the heat-transfer performance of an outdoor air heat exchanger in a heat pump system is considerable.
本论文主要完成中温热管空气换热器模拟计算和优化设计的研究。
In this paper, simulation calculation and optimum design for the moderate-temperature heat pipe heat exchanger were chiefly discussed.
分析了高温烟道空气换热器损坏的原因,并对解决方案的优劣加以论述,确定了进一步改进的方向。
This paper analyzes the damage reasons of heat exchanger in high temperature flue and evaluates its solving methods. Further determines improving direction.
分析了高温烟道空气换热器损坏的原因,提出了一种提高高温烟道内空气换热器使用寿命的改进方案。
This paper analyzes the damage reasons of air heat exchanger in high temperature flue, and puts forward a kind of plan that can improve the service life of air heat exchanger in high temperature flue.
压缩空气离开冷冻式空气干燥器时的压力凝露点与换热器的效率、分离器或凝结过滤器的效率、以及适度的排水操作有关。
Compressed air from frozen type of dryer air pressure points and the efficiency of the heat exchanger cleansing, separator filter efficiency, or condensation and moderate drainage operation of the.
建立分液管和换热器的数学模型,对空气源热泵风侧换热器在有、无分液管的情况下的各盘管中质量流量分配问题分别进行研究。
A mathematical model was developed to investigate mass flow rates in the heat transfer pipes of the air side heat exchanger with and without distribution pipes for an air source heat pump.
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。
Simulates the thermodynamic characteristic of the air side heat exchanger of an air source heat pump under different air temperature and relative humidity.
结果表明,空气的换向时间、蜂窝陶瓷蓄热体换热器的体积等是影响其温度效率和热回收率的重要因素。
The results show that: the switch time of air and the bulk of storage bed play important roles as regards its thermal performance characteristics.
利用产品的组态功能,可以将产品应用于:中央空调末端设备,换热器,压差旁通阀,空气品质、冷却塔、风机、水泵、液位、室内静压、直接蒸发式空调机组等。
To use its self-configured function , The DDC can be used in center air-condition endmost equipment, the quality of air , wind machine , water pump , liquid location , compressive stress and so on.
机械通风选项,用大尺寸换热器和低能耗风机来补充由烟囱效应引起的空气流动。
The mechanical option makes use of oversized heat exchangers and low power fans to complement the passive stack effect already assisting the air movement in the ducts.
研究结果表明,与传统的光滑管弓形隔板换热器相比,板式换热器能非常有效地强化空气侧的膜传热系数。
The results showed that compared to conventional smooth segment baffle heat exchanger, the plate heat exchanger(PHE) can effectively strengthen the film heat transfer coefficient of the shell side.
指出在空气源热泵中应用变片距换热器及其必要性。
Presented the necessity of applying variable fin spacing heat exchanger in air source heat pump.
结果表明:在不同的工况下,空气侧换热器结霜情况不同;
The results of the analysis indicate that frosting condition will change under different operating conditions.
通过计算表明,换热器通道间距、空气的迎面风速,以及一次风的干球温度的变化对换热器效率有很大的影响;
The effects of the plate spacing, approach velocity and the primary air temperature on evaporative cooler was predicted theoretically.
针对平肋肋片管式换热器的结霜过程,建立了数学模型,考虑了霜层密度变化和霜层阻力引起空气流量减小等因素。
Establishes a mathematic model, taking into account the variation of frost density and the decrease of airflow rate caused by frost layer.
对一台空气源热泵空调器在不同环境条件下室外换热器的动态结霜性能进行了实验研究,分析了进风温、湿度对热泵空调器结霜量及霜层厚度的影响。
The effects of the outdoor air temperature and humidity on the frosting characteristics of the fin-tube evaporator coils of an air source heat pump were investigated experimentally.
本文建立了空气冷凝换热器简化动态模型及凝结液膜厚度模型。
A simplified dynamic model of air condenser and the model of its liquid film are driven in this paper.
氨空气冷却器(冷风机)的关键部件是肋片管换热器。
The main parts of the ammonia air-coolers are finned tube heat exchangers.
此换热器空气阻力大,空气预热温度不高,风机压头高,环境噪声大,风机振动大、易损坏。
The recuperators have high air resistance , low air preheating temperature and high fan pressure head , and fan has much noise to environment and are apt to break down with vibration .
对附带亲水层和没有附带亲水层的波纹翅片管换热器在析湿工况下的空气侧特性进行了实验研究,分析了亲水层对空气侧换热和压降特性的影响。
The air side heat transfer and friction characteristics of wavy fin-and-tube heat exchangers with and without hydrophilic coating were studied under dehumidifying conditions experimentally.
新风换气机是调节空气品质的重要设备,换热器是新风换气机的关键部件。
The fresh air ventilator is an important equipment of air's quality regulating.
所有铜建造管换热器管冷却的压缩空气流。
All copper constructed tube in tube heat exchanger to cool your compressed air stream.
根据换热器的换热效率,考虑风机能耗,可以确定适合进行排风热回收的室外空气参数。
According to the efficiency of heat exchanger, we can determine the suitable conditions of outdoor air for heat recovery from exhaust air by considering energy consumption of fan.
采用化学清洗和空气爆破相结合的方法,清除换热器中由变换气及催化剂粉末等形成的垢物,降低换热器的阻力,提高热效。
Combining the chemical cleaning and air blasting method, this paper introduces a new method of removing the deposit resulting from the shift gas and catalyst powder, etc.
对选定参数的空气预冷换热器作了全工况跟踪计算。
A calculation followed all operating conditions is made to air-precooled heat exchangers, parameters of which are selected.
研究发现,换热器结霜引起了翅片效率、空气流通率及翅片性能的显著降低,同时还伴随着空气侧压力降上升。
It is shown that the fin efficiency, air flow-rate, and fin performance are significantly decreased while pressure of the air side is increased when frosting occurs at the exchanger.
针对所设计的换热器的具体结构,分别计算了气体流经空气侧和废气侧的压降,并与原车排气管的压降进行了比较。
Based on the designed structure of heat exchangers, calculate the flow resistance of the heat exchangers, meanwhile comparing the flow resistance with the vent-pipe of the test motorcycle.
提出组合发动机空气预冷换热器可供选用的板翅式和管束式两种结构型式。对选定参数的空气预冷换热器作了全工况跟踪计算。
In this paper, two kinds of structural types of air-precooled heat exchangers, plate-fin and tube bundle, chosen and used for composite engines are suggested.
对附带亲水层和没有附带亲水层的开缝翅片管换热器在析湿工况下的空气侧特性进行了实验研究,分析了亲水层对空气侧换热和压降特性的影响。
Air side heat transfer and fluid flow characteristics of slotted fin surfaces with arc-type and X-type strip arrangement in a pressurizing air cooler were studied by visualization experiments.
对附带亲水层和没有附带亲水层的开缝翅片管换热器在析湿工况下的空气侧特性进行了实验研究,分析了亲水层对空气侧换热和压降特性的影响。
Air side heat transfer and fluid flow characteristics of slotted fin surfaces with arc-type and X-type strip arrangement in a pressurizing air cooler were studied by visualization experiments.
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