Results 41 to 50 of about 23,169 (217)

Introduction of a Data‐Based Preliminary Compressor Design for Mechanical Vapor Compression

Chemie Ingenieur Technik, EarlyView.
This work proposes a data‐driven methodology for the design of compressors for mechanical vapor compression, with the objective of electrification of chemical processes utilizing renewable energy sources. This approach enables the determination of suitable compressor architectures and their performance parameters within the framework of a potential ...
Lars Hinz, Jan Goeing, Daniel Muth, Christian Herrmann, Jens Friedrichs   +4 more
wiley   +1 more source

A Methodology to Integrate Closed‐Cycle Heat Pumps into Batch Distillation Columns

Chemie Ingenieur Technik, EarlyView.
Batch distillation often cannot use vapor recompression due to contamination risks in food and pharma. This study proposes a design for integrating closed‐loop heat pumps using natural fluids. Results show significant energy savings, offering a sustainable alternative to traditional setups.
Philipp Dorn, Michael Libuda, Thomas Meyer, Christian Hoffmann, Jens‐Uwe Repke, Stefan Elbel   +5 more
wiley   +1 more source

Dataset of Comprehensive Thermal Performance on Cooling the Hot Tube Surfaces of Vortex Tube at Different Pressure and Fraction

Data in Brief, 2020
The performance of the vortex tube is low compared to a conventional heat pump engine based on Freon refrigerants, and therefore, there is a need for an experiment on how to improve its efficiency.
Alfan Sarifudin, Danar Susilo Wijayanto, Indah Widiastuti, Nugroho Agung Pambudi   +3 more
doaj   +1 more source

Energy Balancing of Electrochemical Alternatives to the Solvay Process

Chemie Ingenieur Technik, EarlyView.
To overcome the CaCl2 and CO2 emissions custom to the conventional Solvay process in soda ash production, electrochemically based alternatives were investigated. In particular, the mass‐ and energy balances for chlor‐alkali electrolysis and bipolar electrodialysis‐based processes are discussed comprehensively in the presented work.
Tom Wenzel, Holger Kryk, Stefan Fogel, Sebastian Felix Reinecke   +3 more
wiley   +1 more source

Multi-level quantum Diesel engine of non-interacting fermions in a one-dimensional box

, 2020
We consider the toy model of quantum Diesel cycle without temperature constructed from non-interacting fermions, which are trapped in a one-dimensional box.
Ram, Shish, Singh, Satnam
core   +1 more source

Chemical data assimilation estimates of continental U.S. ozone and nitrogen budgets during the Intercontinental Chemical Transport Experiment-North America [PDF]

, 2007
Global ozone analyses, based on assimilation of stratospheric profile and ozone column measurements, and NOy predictions from the Real-time Air Quality Modeling System (RAQMS) are used to estimate the ozone and NOy budget over the continental United ...
Al-Saadi, J, Avery, M A, Avery, Melody A, Cohen, Ronald C, Crawford, J, Dibb, Jack E., Fairlie, T D, Fishman, Jack, Johnson, Donald, Kittaka, Chieko, Lenzen, A, Lingenfelser, Gretchen, Martin, Randall, Natarajan, M, Olson, J R, Pierce, R B, Rault, Didier, Sachse, G W, Schaack, T, Soja, Amber, Stobie, James, Szykman, Jim, Thompson, A M, Zapotocny, Tom   +23 more
core   +2 more sources

Impact of Distillation Column Design on Potential for the Integration of Mechanical Vapor Recompression

Chemie Ingenieur Technik, EarlyView.
Mechanical vapor recompression integration in distillation is analyzed, focusing on feed preheating and column pressure drop. Binary methanol–water and benzene–toluene separations are studied to identify optimal designs, which are further assessed in a bioethanol vacuum distillation sequence regarding energetic, ecological, and economic performance ...
Thorben Hochhaus, Sebastian Siepmann, Marcus Grünewald, Julia Riese   +3 more
wiley   +1 more source

A Review on Two-Phase Volumetric Expanders and Their Applications

Applied Sciences, 2022
The importance of volumetric expanders has been increasing in the last decades because several studies confirmed that they lead to improved energy savings, limit the environmental impact, and reduce the energy intensity of industrial and domestic ...
Marco Francesconi, Stefano Briola, Marco Antonelli   +2 more
doaj   +1 more source

Sensitivity Analysis of Transcritical CO2 Cycle Performance Regarding Isentropic Efficiencies of Turbomachinery for Low Temperature Heat Sources

Energies, 2022
The transcritical CO2 (T-CO2) power cycle using low temperature waste heat is a promising technique for energy saving and environmental protection. However, according to the literature, there is no commercialized unit in service yet. This study provides developers a reference to shorten the design phase of the T-CO2 cycle commercialization process.
Kun-Hsien Lu, Hsiao-Wei D. Chiang, Pei-Jen Wang   +2 more
openaire   +2 more sources

Thermoeconomic approach for the analysis of control system of energy plants [PDF]

, 2012
In this paper a thermoeconomic approach is applied to the dynamic model of a Power System in order to investigate the effects of the control system on the primary energy consumption and on the economic costs of the product.
Baccino, Bejan, El-Sayed, Giorgia Baccino, Hin, Larson, Lozano, Lozano, Rancruel, Reini, Shinskey, Verda, Verda, Vittorio Verda, Wang   +14 more
core   +1 more source