Concept

Vapor-compression refrigeration

Related publications (210)

Application of micro-channel cooling to the local thermal management of detectors electronics for particle physics

Philippe Renaud, Alessandro Mapelli, Andrea Francescon, Giulia Romagnoli

Micro-channel cooling is gaining considerable attention as an alternative technique for cooling of high energy physics detectors. This is of particular interest for future trackers, where large silicon surfaces are involved and the amount of material cross ...

Elsevier2013

Energy integration optimisation of chilled ammonia process for CO2 capture

François Maréchal, Laurence Tock

Within the global challenge of climate change mitigation, CO2 capture and storage is regarded as a potential option to reduce the CO2 emissions in power plants. The most common technology to capture CO2 is chemical absorption with amines, requiring however ...

2013

Two-phase heat transfer and high-speed visualization of refrigerant flows in 100 × 100 μm2 silicon multi-microchannels

John Richard Thome, Navid Borhani, Sylwia Szczukiewicz

Two-phase flow boiling of R245fa, R236fa, and R1234ze(E) in 100 × 100 μm2 parallel microchannels for cooling of future 3D-ICs has been investigated. Significant flow instabilities, back flow, and non-uniform flow distribution among the channels were observ ...

Elsevier2013

Fine-resolution two-phase flow heat transfer coefficient measurements of refrigerants in multi-microchannel evaporators

John Richard Thome, Navid Borhani, Sylwia Szczukiewicz

The time-averaged two-phase flow heat transfer coefficients were determined with a very fine resolution based on infra-red (IR) temperature measurements conducted over a 1 cm(2) heated area of a multi-micro-, channel evaporator. This experimental investiga ...

Elsevier2013

Dynamic Modeling and Simulation of Two-phase Evaporators and Condensers in the context of a CO2 Based District Energy Network

François Maréchal, Daniel Favrat, Samuel Henchoz

A new type of district energy network has recently been proposed that is based on the use of CO2 as a heat transfer fluid. It uses the latent heat of vaporization, instead of sensible heat, to store and transfer heat. Previous studies have focused on demon ...

2013

Heat Transfer Modelling of a Co-rotating Scroll Compressor

Emil Shaykhilislamov

This report accounts for making the heat transfer model in co-rotating scroll compressor. This mathematical model was proposed according to the working principle of the compressor, its geometry and basic thermodynamics’ laws. Previous papers and reports, r ...

2013

Critical Heat Flux of R134a and R245fa Inside Small-Diameter Tubes

John Richard Thome, Sylwia Szczukiewicz, Cristiano Bigonha Tibiriça

This article presents new experimental critical heat flux results under saturated flow boiling conditions for a macro/microscale tube. The data were obtained in a horizontal 2.20-mm inside diameter stainless-steel tube with heating lengths of 361 and 154 m ...

Taylor & Francis2013

Analysis and Development of a New Compressor Device Based on The New Finned Piston

Alfred Rufer, Mahbod Heidari

In the general frame of Compressed Air Energy Storage system (CAES), the LEI Laboratory of EPFL has introduced the concept of dry finned piston. The main goal is to achieve energy storage by means of compressed air thanks to high isothermal efficiency comp ...

2013

Evolution of the Aerodynamic Stability of an Oscillating Annular Compressor Cascade with Inlet Reverse Flow Condition Variations

Peter Ott, Virginie Anne Chenaux

While the advancement of computing hardware now enables accurate predictions of flutter and forced response at normal flow conditions during the compressor design phase, aeroelastic computations at off-design or reverse flow conditions remain a challenging ...

Lappeenranta University of Technology2013

An Evaluation of Model-Based Approaches to Sensor Data Compression

Karl Aberer, Quoc Viet Hung Nguyen, Ho Young Jeung

As the volumes of sensor data being accumulated are likely to soar, data compression has become essential in a wide range of sensor-data applications. This has led to a plethora of data compression techniques for sensor data, in particular model-based appr ...

Institute of Electrical and Electronics Engineers2013

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