Results 31 to 40 of about 13,334 (263)
Effect of geometrical factors interactions on design optimization process of a natural gas ejector
Advances in Mechanical Engineering, 2019 Enhancing the ejector entrainment ratio plays an important role in the ejector performance. In this article, a surrogate-based optimization approach along with computational fluid dynamics technique has been employed to optimize the entrainment ratio of ...
Amin Hassan Amin +3 more
doaj +1 more source
KAJI EKSPERIMENTAL PENGARUH ANGLE MIXING CHAMBER TERHADAP UNJUK KERJA STEAM EJECTOR REFRIGERATION
Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2013 Abstrak Sistem steam ejector refrigeration merupakan siklus refrigerasi dengan memanfaatkan energi yang terbuang. Siklus steam ejector refrigeration menggunakan fluida air sebagai refrigeran sehingga lebih ramah lingkungan, selain itu sistem steam ...
Bachtiar Setya Nugraha
doaj +1 more source
Optimization of Two-Phase Ejector Mixing Chamber Length under Varied Liquid Volume Fraction
Entropy, 2022 The ejector performance varies with the mixing chamber length which is largely dependent on the fluid liquid volume fraction at the inlet. In this study, numerical simulations are conducted to optimize two mixing chamber lengths of a two-phase ejector ...
Jia Yan +3 more
doaj +1 more source
Mathematical Modelling of the Entrainment Ratio of High Performance Supersonic Industrial Ejectors [PDF]
Processes, 2022 For many years now, manufacturers have been producing supersonic ejectors with a high entrainment ratio for the chemical, oil, and food industries. In the present work, mathematical modelling of the entrainment ratio of such industrial ejectors is carried out, in which a variation of the diffuser efficiency is also assumed to be a function of the Mach ...
openaire +1 more source
A Novel Method to Measure the Air Entrainment Ratio of an Active Chilled Beam
International Journal of Ventilation, 2009 AbstractThis paper presents a new simplified method to measure the air entrainment ratio of an active chilled beam or induction unit. The method uses a single anemometer and a simple purpose built measurement venturi together with the primary airflow rate. The new method is described and its calibration procedure is explained.
Ruponen, M., Tinker, J.A.
openaire +2 more sources
Energies, 2023 Based on the shear stress transfer (SST) k-ω model, Ffowcs-Williams and Hawkings (FW–H) equation, and Lilley sound source equation, the flow and sound field of high-temperature and high-pressure steam ejectors are simulated.
Jiajie Zhang +4 more
doaj +1 more source
International Journal of Thermofluids, 2023 Primary flow structures affect ejector performance by impacting momentum transfer to the secondary flow and pressure reduction in the suction chamber. This study investigated the potential benefits of oscillating the primary flow in ejectors to enhance ...
Mahdi Tavakoli +3 more
doaj +1 more source
Numerical Investigation of Motive Pressure on Condensation and Evaporation Process in Steam Ejector of Renewable Refrigeration System [PDF]
Advances in Engineering and Intelligence Systems, 2023 In today's life, it is very necessary to use cooling systems in the domestic and industrial cooling process, and the air-conditioning and refrigeration industry has the highest rate of electrical energy consumption in countries with hot weather ...
Rakibul Islam +2 more
doaj +1 more source
Dual dean entrainment with volume ratio modulation for efficient droplet co-encapsulation: extreme single-cell indexing [PDF]
Lab on a Chip, 2021 Pirouette coupling involves Dean flow for cell and reporter bead inertial ordering for efficient co-encapsulation, achieving a throughput of 1 million cells per hour, a 2.5% multiplet rate and a 70% cell capture efficiency.
Jack Harrington +14 more
openaire +7 more sources
CFD simulation of ejector: is it worth to use real gas models? [PDF]
EPJ Web of Conferences, 2018 This paper presents progress of evaluation existing ejector of previous work with different gases, included real gas. This work was done by the Ansys simulation tool.
Vu Nguyen Van, Kracik Jan
doaj +1 more source