2025年1月1日 · Auto-cascade refrigeration (ACR) systems are known for their innovative solutions, especially suitable for low and ultra-low temperature applications. However, ACR cycles are not solely confined to refrigeration applications; they are also utilized in heating and electricity generation cycles.

2022年2月1日 · In this study, a dual mixed-refrigerants refrigeration system coupled with a Linde-Hampson refrigeration (LHR) cycle and a three-stage auto-cascade refrigeration (ACR) cycle was designed and built. The thermodynamic performance of the coupled system was experimentally investigated using low GWP zeotropic mixtures of R1234yf/R32 for the LHR and ...

the cycle characteristics of a three-stage auto-cascade refrigeration (ACR) system using R1234yf/R23/R14, R1234yf/R41/R14, R1234yf/R170/R14 and R1234yf/R1132a/R14. The system performances, including cool-ing capacity, coefficient of performance (COP), evaporation temperature, compressor discharge tempera-

在本研究中，设计并构建了双混合制冷剂制冷系统，结合 Linde-Hampson 制冷 （LHR） 循环和三级自动复叠制冷 （ACR） 循环。 使用 LHR 的 R1234yf/R32 和 ACR 的 R170/R14/R50 的低 GWP 沸沸混合物对耦合系统的热力学性能进行了实验研究。

The two primary challenges in auto-cascade refrigeration (ACR) cycles are high compressor discharge temperatures and low efficiency at ultra-low temperatures. This study proposes a modified cascade refrigeration cycle (MCR) combined with an ACR cycle for cooling to –60 ℃.

2023年9月13日 · Regeneration (ACR) in caloric devices allows the energy thermal rejected by system to be restored and returned to system in the cycle. The capacity used for network load refrigeration can be effectively used to increase the effective entropy and the resulting temperature span [15].

2025年1月1日 · ACR cycles are widely used for low and ultra-low temperature applications and are integrated into absorption refrigeration, heat pumps, and Rankine cycles. Studies have focused on enhancing ACR cycle performance by adding components like IHEs, vapor injection compressors, multiple separators, and ejectors.

proposed a novel ejector-enhanced ACR cycle using R290/R170 with different refrigerant com-positions and obtained the best mass fraction of R290. As described in the cited literature, many researchers have focused on the ACR system characteristics of the alternative refrigerants, consisting of R236fa/R23, R290/R170, R600/R170,

2020年5月4日 · In this paper, several research options such as various designs of CRS, studies on refrigerants, and optimization works on the systems are discussed. Moreover, the influence of parameters on system...

The objectives of this center is: Accurate evaluation of themophysical properties and fundamental performance of the heat exchange and air conditioning and refrigeration (ACR) cycle for zero-ozone depletion potential (ODP) and low-global warming potential (GWP) refrigerants Organization of an R&D national research group led by Khushu Univeristy ...