The heat of vaporization is actually temperature dependent. 实际上,汽化热与温度有关。
Its vaporization parameters are calculated with the method of digital integration based on volumes of tank, mass and composition of LPG, ambient temperature and other conditions. 采用数值积分法,根据储罐容积、液化石油气质量、组成、环境温度等条件计算其气化参数。
In accordance with hot water type of vaporization technology, adding an electronic temperature controller accomplishes automatic control and reduces consumption of power of electricity. 根据热水循环式气化工艺,增设电子温控仪表,达到自动控制,节约电耗之目的。
The vaporization is adequate, and temperature of the electric hot tray is uniform, thereby enabling the steam electric iron to have the advantages of stable steam output amount and long service life. 汽化充分,电热盘温度均匀,从而使得蒸汽电熨斗具有蒸汽量输出大小稳定、使用寿命长的优点。
The main factors of the vaporization rates including the Air/ Fuel Ratio ( AFR), vaporizer inlet air temperature and the velocity of the airflow within the vaporizer were studied extensively. 研究了气油比、进口空气温度以及蒸发管内空气流速的变化对蒸发管燃油蒸发率的影响。
By means of least square method, fittings for vacuum equilibrium vaporization curves of atmospheric residua from both Daqing and Shengli crudes were carried out and empirical formula correlating percentage of equilibrium vaporization with vaporization temperature and partial pressure of oil vapor was obtained. 利用最小二乘法,对大庆和辽河原油的常压重油减压平衡汽化曲线进行拟合,得到平衡汽化率与汽化温度和油汽分压的经验关联式,其计算误差在工程设计允许范围内。
CSD Equation of State Was Used To Calculate Thermodynamic Properties of Hydrocarbon In this paper analysis on vaporization temperature and pressure by CSD equation is made. The result can be used to the design of heat exchanger for LPG vaporization. 采用对碳氢混合物两相区状态计算精度高的CSD方程,对LPG强制气化的压力与气化温度进行了计算,结果可作为LPG气化器设计和运行管理的依据。
Result indicating, use of water-holding agent could retrain water vaporization of soil and improve retain water capacity of soil, but it was affected greatly by temperature. 结果发现,保水剂的使用,可以起到抑制土壤表面水分蒸发及提高土壤持水能力的作用,还可以增加土壤的有效水含量。但保水剂的长期作用效果受温度的影响比较大。
Analysis on Vaporization Temperature and Pressure of LPG by CSD Equation LPG气化压力与温度用CSD方程的分析
The crystals was grown by the Czochralski, due to the easier vaporization characteristics of PbO at the higher temperature and unsealed conditions, we found Pb deficient trend and W superabundance of melting solid. Czochralski法生长晶体,由于高温和非密封环境,以及PbO比WO3更易挥发的特性,晶体沿纵向呈缺Pb趋势,熔体富W。
Correlations of liquid thermal conductivity with the heat of vaporization and temperature 液体的导热系数与蒸发潜热及温度间的关系
This paper analyzes the method theoretically to reduce vaporization of volatimatter of gas production though temperature drop of the upper part of gas generator, and advances the opinion that loss of latent heat and coal consume can be reduced though reducing vaporization of volatimatter. 本文从理论上分析造气过程中降低炉上温度以减少挥发分溢出的方法,提出了通过减少挥发分逸出从而减少潜热损失,达到降低煤耗的观点。
It can concluded from model results and experiment results that, with the increasing of the reaction temperature, vaporization temperature and the resident time, the particle size increased, and the rutile content of TiO2 particle increased. 从模拟结果和实验结果可以看出:随着汽化温度升高,停留时间延长,二氧化钛颗粒粒度逐渐增大,同时金红石含量也增加。
Vaporization temperature is affected by local press and is not 100 ° C we think usually; 汽化温度受局部压力的影响,并不是通常认为的100℃。
Predicted results based on 387 cases showed that the average estimated error of stream pressure and heat of vaporization were respectively 0 084% and 0 018% in the temperature ranging from the melting point to critical point. 对387种物质的预测结果表明:在熔点到临界点的温度范围内,蒸气压的平均预测误差为0.084%,汽化热的平均预测误差为0.018%。
Vaporization energy and temperature 汽化热与温度的关系
From the test results, it can be concluded that the AFR and the vaporizer inlet temperature are the important parameters to the fuel vaporization rates, and the increasing of the AFR and the inlet air temperature will cause an increase of the vaporization ratio. 试验结果表明,气油比和蒸发管空气进口温度是蒸发率的主要影响因素,蒸发管内空气速度影响并不显著,气油比的增大和空气进口温度的增大都会导致燃油蒸发率的增大。
The Research and Applications on Energy Saving by Flash Vaporization With the High Temperature Waste Water 高温废水闪蒸节能与回收物料技术的研究与应用
The results show that the vaporization strongly affects the surface temperature in the pulsed laser ablation. 结果表明,在脉冲激光辐照阶段,靶材表面的蒸发效应使得靶材表面温度上升显著放缓;
The stress comes form the pressure that caused by liquid medium expansion and vaporization between the stiffener ring and the tower body at the transition section when the tower is cleaned by steam during overhauling, it also comes from the temperature stress and the residual welding stress. 其应力主要来自于设备检修停开工蒸汽吹扫塔内时,加强圈与筒体夹层内液体膨胀、汽化所产生的内压,以及加强圈与筒体的温差应力;
Determine with liquid saturated steam by static way under different temperature. We can try to get the average mole of heat of vaporization within the range of temperature examined separately with map law and computing method. Editor Visual FoxPro. 用静态法测定液体在不同温度下的饱和蒸汽压,可以分别用作图法和计算法求得在所测温度范围内的平均摩尔汽化热。
Firstly, the airflow factor, air temperature and air relative humidity all affect badly the transpiration rate, the vaporization of inner water, stomatal conductance and temperature of leaves during fine-manipulation process. 做青过程青叶的呼吸速率、失水速率、气孔导度和叶温受叶层气温、空气湿度和气流状况等的共同影响。
This is mainly because the ethanol evaporating under low temperature is poor, in addition to the large latent heat of vaporization, evaporation further reduces engine inlet or cylinder temperature, causing a problem in cold start difficulties or longer warm-up time. 这主要是因为低温下乙醇的蒸发性很差,加之汽化潜热较大,蒸发时进一步降低发动机进气道或缸内温度,造成冷启动困难或暖机时间过长等难题。
DME have high percentage of oxygen, so it could burn with large EGR ratio, and its latent heat of vaporization is high, this could reduce the highest burn temperature, all of these could reduce NOx emission of engine. 二甲醚属含氧燃料,可以承受较大的EGR率,同时其汽化潜热较大,可降低缸内的最高燃烧温度,这些都有利于减NOx排放。