Results 51 to 60 of about 1,680,915 (216)

Energy, exergy and exergoenvironmental assessments of waste heat operated basic and modified cogeneration systems for freshwater and hydrogen production

IET Renewable Power Generation, Volume 19, Issue 1, January/December 2025.
The performance of four different configurations of waste heat‐driven organic Rankine cycle (ORC) integrated with reverse osmosis and Proton exchange membrane electrolyser is modelled in the current study. The four configurations of ORC are the basic (BORC), with internal heat exchanger (HORC), with mixing chamber (MORC), and with both internal heat ...
Mohammad Waqas Chandio, Shafiq Ur Rehman Qureshi, Laveet Kumar, Abdul Ghafoor Memon   +3 more
wiley   +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

A Comprehensive Study on Hydrogen Production via Waste Heat Recovery of Gas Turbine Cycles in Cogeneration Power‐Hydrogen Layouts: 4E Study and Optimization

International Journal of Energy Research, Volume 2025, Issue 1, 2025.
The efficient utilization of waste energy in gas turbine (GT) cycles (GTCs) is a crucial aspect of sustainable energy production. While previous studies have explored various aspects of waste energy recovery, a comparative analysis of different bottoming configurations has been lacking.
Mohammad Zoghi, Nasser Hosseinzadeh, Saleh Gharaie, Ali Zare, Panagiotis Grammelis   +4 more
wiley   +1 more source

The diagrams of -1-lines for ternary

Тонкие химические технологии, 2011
Different properties and types of α-1-lines for ternary zeotropic mixtures and ternary mixtures with one binary azeotrope are presented in a brief literature review.
K. Yu. Tarkhov, L. A. Serafimov
doaj  

Optimal design of reduced vapor transfer dividing wall structures with and without heat integration

AIChE Journal, Volume 70, Issue 11, November 2024.
Abstract A dividing wall column (DWC) is a prime example of process intensification, whereby significant energy and cost savings can be achieved for some systems compared to operation in conventional design of two columns in series. It has been theorized that the vapor and liquid thermal coupling streams in the DWC could be replaced by liquid‐only ...
Fanyi Duanmu, Eva Sorensen
wiley   +1 more source

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

Experimental Heat Transfer Coefficients for Zeotropic Mixture Condensation of Hexamethyldisiloxane/Octamethyltrisiloxane and Ethanol/Hexamethyldisiloxane

Chemie Ingenieur Technik, Volume 96, Issue 8, Page 1123-1130, August 2024.
Experimental data is presented for mixture condensation within a wide composition range. Different aspects in the heat transfer deterioration of mixtures are discussed. The results serve to develop a novel superposition approach for the approximate calculation of mixture condensation heat transfer coefficients.
Conrad Zimmermann, Nico Lubos, Stephan Kabelac   +2 more
wiley   +1 more source

The Dependence of the Feasible Separation Region on Feed Quality and Column Equipment

Chemical Engineering Transactions, 2018
For zeotropic mixtures with C- or U-shaped distillation lines, the feasible separation region is bound by two elements: a product composition multitude and a generalized distillation limit. The generalized distillation limit demarcates the sloppy splits (
Lechoslaw Krolikowski
doaj   +1 more source

Conversion of Low-Grade Heat from Multiple Streams in Methanol to Olefin (MTO) Process Based on Organic Rankine Cycle (ORC)

Applied Sciences, 2020
The organic rankine cycle (ORC) has been widely used to convert low-grade thermal energy to electricity. The selection of the cycle configuration, working fluid, and operating parameters is crucial for the economic profitability of the ORC system. In the
Danchen Wei, Cheng Liu, Zhongfeng Geng
doaj   +1 more source

Innovative Approaches for Improving ORC Performance: A Review of Pure Fluids, Zeotropic Mixtures, and Nanoparticles

Journal of Mechanical Engineering Science and Technology
Although the organic Rankine Cycle (ORC) is said to effectively capture low-grade heat, its commercialization has been limited because of working fluid constraints and inefficiencies resulting from operating at low temperatures.
E. Kumi, Vasudevarao R. Veeredhi, C. Enweremadu   +2 more
semanticscholar   +1 more source