Results 61 to 70 of about 703,374 (204)

Mathematic simulation of distillation column with infinite separation ability and various calculation sets

Тонкие химические технологии, 2013
Different variants of calculation sets of the distillation column with infinite separation ability are investigated. With a ternary zeotropic mixture as an example the number of calculation sets is determined.
S. L. Nazanskiy, A. V. Solokhin, A. V. Kiyko, V. E. Obong   +3 more
doaj  

Evaporation of Binary Mixtures in a Pillow Plate Thermosiphon Reboiler

Chemie Ingenieur Technik, Volume 96, Issue 10, Page 1353-1363, October 2024.
Pillow plate heat exchangers are promising alternatives to known heat exchanger geometries and are increasingly used in the process industry. The operational performance of a pillow plate thermosiphon reboiler during the evaporation of mixtures is studied experimentally and an approach for modeling the evaporation‐side heat transfer is discussed ...
Katharina Jasch, Yan Lu, Stephan Scholl
wiley   +1 more source

Thermodynamic optimization of Rankine cycle using CO2-based binary zeotropic mixture for ocean thermal energy conversion

, 2020
This work provides an exploration on improving the performance of a closed ocean thermal energy conversion (OTEC) system. In order to approach the Lorenz cycle and obtain better thermal matching, a Rankine cycle using CO2-based binary zeotropic mixtures ...
潘利生, Pan, Lisheng, Li CY, Wang, Yongzhen, Li, Chengyu, Wang YZ   +5 more
core   +1 more source

Experimental analysis of high temperature flow boiling of zeotropic mixture R134a/R245fa in a plate heat exchanger

, 2023
The potential to improve the performance of organic Rankine cycle systems by using zeotropic mixtures as working fluids has been demonstrated in the open literature.
Huang, Xiaohui, Zhang, Ji, Haglind, Fredrik   +2 more
core   +1 more source

Thermo-Economic Optimization and Resilience Analysis of Low-GWP Zeotropic Mixtures for Low-Enthalpy Geothermal Power Generation

Energies
The efficient recovery of low-enthalpy geothermal resources (T≤150 °C) faces significant thermodynamic limitations due to thermal mismatch in evaporators when pure fluids are utilized. This study investigates low-GWP zeotropic mixtures (Pentane/Isobutane)
Felix Donate Sánchez, Carmen Mata Montes, Javier Barba Salvador   +2 more
doaj   +1 more source

Method and system for generating power from low- and mid- temperature heat sources using supercritical rankine cycles with zeotropic mixtures [PDF]

, 2016
A method and system for generating power from low- and mid-temperature heat sources using a zeotropic mixture as a working fluid. The zeotropic mixture working fluid is compressed to pressures above critical and heated to a supercritical state.
Goswami, D. Yogi, Chen, Huijuan, Stefanakos, Elias   +2 more
core  

Thermo-economic investigation and comparative multi-objective optimization of dual-pressure evaporation ORC using binary zeotropic mixtures as working fluids for geothermal energy application

International Journal of Thermofluids
This contribution performs an energy, exergy, and exergoeconomic (3E) analysis of a dual-pressure evaporation organic Rankine cycle system employing twenty different binary zeotropic mixtures as working fluids for power production from a geothermal field.
Shahin Akbari, Shahin Faghiri, Ali Mehrparwar Zinjanabi, Mohamad Ali Bijarchi, Mohammad Behshad Shafii, Khashayar Hosseinzadeh   +5 more
doaj   +1 more source

Performance analysis of an organic Rankine cycle with internal heat exchanger having zeotropic working fluid

Case Studies in Thermal Engineering, 2015
In this study, performance of a 50 kW organic Rankine cycle (ORC) with internal heat exchanger (IHE) having R245fa/R152a zeotropic refrigerant with various compositions was investigated.
Thoranis Deethayat, Tanongkiat Kiatsiriroat, Chakkraphan Thawonngamyingsakul   +2 more
doaj   +1 more source

The basic regularities of multicomponent rectification in the mode of the first class fractionalization

Тонкие химические технологии, 2010
The basic regularities and some peculiarities of multicomponent mixtures rectification in the mode of the first class fractionalization are considered.
L. A. Serafimov, K. Yu. Tarkhov
doaj  

Analysis of heat pumps with zeotropic refrigerant mixtures by taguchi method

, 2010
The goal of this work is to determine the optimum set of parameters by using the Taguchi method in vapour compression heat pump systems. The experimental apparatus consist of an air-to-liquid vapor compression heat pump, a water cooled condenser, a forced air evaporator, an electrical air and water heaters, and various measuring elements and other ...
Çomaklı, Ömer, Çomaklı, Kemal, Yılmaz, Mehmet, Adıgüzel (Ozdemir), Nesrin   +3 more
openaire   +5 more sources