Thermo-economic and heat transfer optimization of working-fluid mixtures in a low-temperature organic Rankine cycle system

OA Oyewunmi, CN Markides - Energies, 2016 - mdpi.com
In the present paper, we consider the employment of working-fluid mixtures in organic
Rankine cycle (ORC) systems with respect to thermodynamic and heat-transfer …

Experimental study on flow boiling characteristics of pure refrigerant (R134a) and zeotropic mixture (R407C) in a rectangular micro-channel

C Dang, L Jia, M Xu, Q Huang, Q Peng - … Journal of Heat and Mass Transfer, 2017 - Elsevier
In the present study, the flow boiling characteristics of pure refrigerant R134a and zeotropic
mixture R407C are experimentally investigated in a single visualized rectangular micro …

Effect of operating conditions on the performance of the bubble pump of absorption-diffusion refrigeration cycles

A Benhmidene, B Chaouachi, S Gabsi - Thermal Science, 2011 - doiserbia.nb.rs
The mathematical model will be able to predict the operated condition (required tube
diameters, heat input and submergence ratio….). That will result in a successful bubble …

Glass packing materials used for intensification of heat transfer at boiling on tubular surfaces

S Popa, S Boran - Thermal science, 2017 - doiserbia.nb.rs
The paper presents the results obtained in determining the partial heat transfer coefficient at
boiling on vertical and horizontal tubular surfaces surrounded by different types of glass …

Numerical investigation on saturated boiling flow and heat transfer of mixture refrigerant in a vertical rectangular mini-channel

J Chen, W Cai, S Li, Y Ren, H Ma, Y Jiang - Thermal Science, 2018 - doiserbia.nb.rs
Plate-fin heat exchanger with rectangular minichannels, as a type of high-perfor-mance
compact heat exchangers, has been widely used in liquefied natural gas field. However, the …

[PDF][PDF] Heat recovery and conversion technologies with organic fluid cycles: optimal working fluid and system design

OA Oyewunmi - 2018 - core.ac.uk
Heat recovery and conversion technologies have become increasingly important for a
variety of reasons relating to growing global concerns on energy security, rising electricity …