Concept

Condenser (heat transfer)

Related publications (31)

Low-temperature curing strength enhancement in cement-based materials containing limestone powder

With the ongoing sustainability movement, the incorporation of limestone powder in cementitious binders for concrete in the U.S. has become a subject of renewed interest. In addition to accelerating the early age hydration reactions of cementitious systems ...

Springer2017

Turbocompressors for Domestic Heat Pumps – A Critical Review

Jürg Alexander Schiffmann, Jean-Baptiste Carré

Small-scale, oil-free radial compressors on gas lubricated bearings represent a promising alternative to state-of-the-art compressor technology for driving domestic sized heat pumps. The inherent characteristics of turbocompressors manage to fit the heat p ...

2017

Two-phase operational maps, pressure drop, and heat transfer for flow boiling of R236fa in a micro-pin fin evaporator

John Richard Thome, Navid Borhani, Mirco Magnini, Chiara Falsetti, Hamideh Jafarpoorchekab

Cooling the new generation of 3D high power electronic chips is one of the leading challenges in microelectronics, as it is a key to achieve high computational performance at lower cooling system power consumption, thus reducing the operating cost. Two-pha ...

Pergamon-Elsevier Science Ltd2017

An experimental study on flow boiling pressure drop in multi-microchannel evaporators with different refrigerants

John Richard Thome, Houxue Huang

A key parameter in designing two-phase flow systems for the cooling of high heat flux electronics is the pressure drop in microchannel evaporators. As a result, an experimental study was performed to investigate the flow boiling pressure drop of refrigeran ...

Elsevier Science Inc2017

High temperature superconductors for fusion at the Swiss Plasma Center

Pierluigi Bruzzone, Davide Uglietti, Rainer Wesche

High temperature superconductors (HTS) may become in future an option for the superconducting magnets of commercial fusion plants. At the Swiss Plasma Center (SPC) the R&D activity toward HTS high current, high field cables suitable for fusion magnets star ...

IOP Publishing Ltd2017

On the Effects of Coating Thickness in Transient Heat Transfer Experiments Using Thermochromic Liquid Crystals

Peter Ott, Alexandros Terzis

Transient heat transfer experiments typically employ thermochromic liquid crystals to temporally map surface temperatures. The desired heat transfer coefficient is then calculated from the solution of Fourier’s 1D transient heat conduction equation which i ...

Elsevier2016

Two-Phase Mini-Thermosyphon Electronics Cooling, Part 2: Model and Steady-State Validations

John Richard Thome, Jackson Braz Marcinichen, Nicolas Lamaison, Chin Lee Ong

In the present study, a simulation code specifically developed to evaluate the thermal-hydraulic performance of thermosyphon cooling loops is validated through the experimental results obtained in the Part 1. It considers levels of heat load conventionally ...

Ieee2016

Unified Modeling Suite for Two-Phase Flow, Convective Boiling, and Condensation in Macro- and Microchannels

John Richard Thome, Andrea Cioncolini

This paper focuses on the unified modeling suite for annular flow that the authors have developed and continue to develop. The annular flow suite currently includes models to predict the void fraction, the entrained liquid fraction, and the wall shear stre ...

Taylor & Francis Inc2016

Commissioning of HTS Adapter and Heat Exchanger for Testing of High Current HTS Conductors

Pierluigi Bruzzone, Boris Stepanov, Rainer Wesche, Kamil Sedlák, Davide Uglietti

In the EDIPO test facility, superconducting cables with a current carrying capacity up to 100 kA can be tested in a background field of 12.5 T. A NbTi transformer, operated at ???4.5 K, provides the sample current of up to 100 kA. The high-temperature supe ...

IEEE Institute of Electrical and Electronics Engineers2016

Two-Phase Mini-Thermosyphon Electronics Cooling, Part 4: Application to 2U Servers

John Richard Thome, Jackson Braz Marcinichen, Nicolas Lamaison, Chin Lee Ong

This paper is the fourth part of the present study on two-phase mini-thermosyphon cooling. As mentioned in the first three parts, gravity-driven cooling systems using microchannel flow boiling can become a long-term scalable solution for cooling of datacen ...

Ieee2016

Boiling heat transfer and two-phase pressure drops within compact plate heat exchangers: Experiments and flow visualizations

John Richard Thome, Raffaele Luca Amalfi

Infrared (IR) thermography was used to measure the local heat transfer coefficients within two plate heat exchanger geometries. The chevron patterns were machined into polycarbonate and IR transparent calcium fluoride plates, both of which were electricall ...

Pergamon-Elsevier Science Ltd2016