two-stage compression

The study on two-stage compression for the air-source heat pump

双级压缩用于空气源热泵热水器的性能分析

Analysis and calculation of thermodynamic cycle about two-stage compression refrigeration system

对配组式双级压缩制冷系统热力循环的计算与分析

The results are as follows: ( 1) When the compression ratio is less than 8 ( 4.39 compression ratio 6.23), the theoretical COP of two-stage compression cycle will increase 4.16%-7.08% compared with that of single-stage compression cycle.

研究结果如下：（1）在压缩比小于8（4.39压缩比6.23）的工况下，与单级压缩制冷比较，采用双级压缩时理论循环制冷系数提高了4.16%～7.08%。

We compress the tree path through two path compression techniques to improve the search performance.

通过两种路径压缩技术来压缩树路径，以提高查找性能。

Two-stage compression refrigeration cycle was put forward to use in air-source heat pump to solve the low temperature adaptability of ASHP in this paper.

本文提出双级压缩制冷循环用于空气源热泵热水器，以求解决空气源热泵热水器低温适应性问题。

There are two failure modes of the thin film, one is the bifurcation and fracture under the tension load, and another is buckling and delamination under the compression.

薄膜的破坏形式有两种，一种是在拉伸状态下的分叉和断裂，另一种是在压缩载荷情况下的屈曲和脱粘。

THE DESIGN AND PERFORMANCE ANALYSIS OF SINGLE-STAGE COMPRESSION REGENERATIVE REFRIGERATION CYCLE USING MIXED REFRIGERANTS Study on Characteristics of the Ejector in Quasi Two-Stage Compression Heat Pump Coupled with Ejector

混合工质单级压缩回热制冷系统的设计与性能分析准二级压缩&喷射复合热泵系统用喷射器的性能研究

Two-stage compression cycle for water heaters in air source heat pumps

空气源热泵热水器双级压缩循环研究

This paper presents a dynamic model of air-cooled unit air conditioner during start-up/ shutdown processes, in which dynamic distributed parameter models of two-phase flow in heat exchangers are used, and steady state models are applied for the compression and throttling process.

建立了计算风冷小型空调器启动、停机过程的动态数学模型，其中压缩与节流过程采用稳态模型，而换热器则采用动态分布参数分相流模型。

A Study of Optimum Conditions for Two-Stage Compression Ammonia Refrigeration System

冷库氨双级压缩制冷系统最佳工况研究

Experimental investigation on selecting ramp and lip parameters of two-dimensional external compression inlet

二元外压式进气道斜板和唇口参数选择的风洞试验研究

The paper discusses how to use SVPN system ( using IPSec protocol) to transmit the two types of information separately, and how to divide the compressed data into key information and assistant information in some common compression arithmetics.

该文讨论了利用SVPN（以IPSec协议为例）分别对这两类信息进行传输的机制。同时还讨论了在几种常见压缩算法中关键信息和辅助信息的具体划分。

impedance of cascade transformer comparison on performances of cascade heat pump and two-stage compression heat pump for freeze-dryer

串级变压器的阻抗复叠式与二级压缩式热泵冷冻干燥系统循环特性比较

Development and Performance Analysis of Two-stage Compression Variable Frequency Air Source Heat Pump

双级压缩变频空气源热泵系统及其性能分析

Performance analysis of single-stage compression or two-stage compression refrigerating cycle

单级压缩或双级压缩制冷的技术经济分析

When the compression ratio is over 8 ( 8.15 compression ratio 10.19), theoretical COP of two-stage compression will increase 9.01%~ 10.85% compared with single-stage compression.

在压缩比大于8（8.15压缩比10.19）的工况下，采用双级压缩时理论制冷系数比单级提高了9.01%～10.85%，排气温度可降低33°C～44°C。

Design of Air Intake Passages on Cross Flow Fan Box to The Effect of Its Comprehensive Performance Difference in comprehensive performance of split compression between two-stage and single-stage compression

横流风机箱进气流道的设计对其综合性能的影响斜盘压缩机两级压缩与单级压缩综合性能比较