Refrigeration

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Refrigeration is a process in which work is done to move heat from one location to another. (Wikipedia.org)






Conferences related to Refrigeration

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2012 13th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)

The scientific and engineering exploration of thermal, thermomechanical and emerging technology issues associated with electronic devices, packages and systems.


2012 IEEE International Conference on Automation and Logistics (ICAL)

Automation, logistics, and related areas.


2012 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)

Hydropower Engineering, Thermal Power Engineering, Nuclear Power Engineering, New and Renewable Sources of Energy, Power Transmission and Distribution Techniques, Power Systems Management, Smart Grid, Best Practice.

  • 2011 Asia-Pacific Power and Energy Engineering Conference (APPEEC)

    Hydropower Engineering, Thermal Power Engineering, Nuclear Power Engineering, New and Renewable Sources of Energy, Power Transmission and Distribution Techniques, Power Systems Management, Smart Grid, Best Practice

  • 2010 Asia-Pacific Power and Energy Engineering Conference (APPEEC)

    Hydropower Engineering, Thermal Power Engineering, Nuclear Power Engineering, New and Renewable Sources of Energy, Power Transmission and Distribution Techniques, Power Systems Management, Smart Grid, Best Practice


2010 International Conference on Computer Application and System Modeling (ICCASM 2010)

ICCASM 2010 is the premier forum for the presentation of new advances and research results in the fields of theoretical, experimental, and applied Computer Application and System Modeling.


2008 Second International Conference on Thermal Issues in Emerging Technologies - Theory and Application (ThETA)

Thermal issues in emerging technologies (microelectronics, nanotechnology, smart materials,micro-electro-mechanical systems, biomedical engineering, new engergies)



Periodicals related to Refrigeration

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Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Magnetics, IEEE Transactions on

Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.




Xplore Articles related to Refrigeration

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Hybrid Nonlinear Model-Predictive Control of a Supermarket Refrigeration System

Christian Sonntag; Arvind Devanathan; Sebastian Engell; Olaf Stursberg 2007 IEEE International Conference on Control Applications, 2007

Supermarket refrigeration systems are of hybrid nature due to forced and autonomous switching of the continuous dynamics and the existence of discretely switched actuators such as valves and compressors. One of the main control goals for these systems is to keep temperature and pressure levels within tight bounds while minimizing the wear of the compressors. Since traditional control schemes leave ...


4 K cryocooler implementation of a DC programmable voltage standard

C. J. Burroughs; R. J. Webber; P. D. Dresselhaus; S. P. Benz IEEE Transactions on Applied Superconductivity, 2003

NIST and HYPRES, Inc. have been collaborating to develop a 1 Volt DC programmable Josephson voltage standard (PJVS) that operates on a closed-cycle refrigerator. The goal of this work is to construct a platform that will allow the chip to work at 4 K without liquid helium, thereby making the system more convenient and eliminating the need for users to ...


Operation of a NbN-based programmable Josephson voltage standard chip with a compact refrigeration system

A. Shoji; H. Yamamori; M. Ishizaki; S. P. Benz; P. D. Dresselhaus IEEE Transactions on Applied Superconductivity, 2003

A refrigeration system was designed and constructed for realizing a liquid-He- free programmable Josephson voltage standard. The system is equipped with a two-stage Gifford-McMahon cooler, a thermal-radiation shield, a magnetic-field shield and semi-rigid coaxial cables to supply microwave power to a chip. The performance of the system was examined by use of a NbN-based 8-bit digital-to- analog converter (DAC) chip ...


Synchronization and desynchronizing control schemes for supermarket refrigeration systems

Lars F. S. Larsen; Claus Thybo; Rafael Wisniewski; Roozbeh Izadi-Zamanabadi 2007 IEEE International Conference on Control Applications, 2007

A supermarket refrigeration system is a hybrid system with switched nonlinear dynamics and discrete-valued input variables such as opening/closing of valves and start/stop of compressors. Practical and simulation studies have shown that the use of distributed hysteresis controllers to operate the valves leads to synchronization, meaning that the opening and closing actions of the valves coincide. Consequently, the compressor periodically ...


Upgrade alternatives for the nsls superconducting wiggler

M. Fedurin; P. Mortazavi; J. Murphy; G. Rakowsky 2007 IEEE Particle Accelerator Conference (PAC), 2007

The superconducting wiggler (SCW) with 4.2 Tesla field in 5 main poles has been in operation on the NSLS X-ray storage ring for more than 20 years. The inefficient cryogenic system of this wiggler uses a closed-cycle refrigerator requiring constant maintenance. It is possible to replace this insertion device with a 13-pole SCW originally built by Oxford Instruments. The cryostat ...


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Educational Resources on Refrigeration

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eLearning

Hybrid Nonlinear Model-Predictive Control of a Supermarket Refrigeration System

Christian Sonntag; Arvind Devanathan; Sebastian Engell; Olaf Stursberg 2007 IEEE International Conference on Control Applications, 2007

Supermarket refrigeration systems are of hybrid nature due to forced and autonomous switching of the continuous dynamics and the existence of discretely switched actuators such as valves and compressors. One of the main control goals for these systems is to keep temperature and pressure levels within tight bounds while minimizing the wear of the compressors. Since traditional control schemes leave ...


4 K cryocooler implementation of a DC programmable voltage standard

C. J. Burroughs; R. J. Webber; P. D. Dresselhaus; S. P. Benz IEEE Transactions on Applied Superconductivity, 2003

NIST and HYPRES, Inc. have been collaborating to develop a 1 Volt DC programmable Josephson voltage standard (PJVS) that operates on a closed-cycle refrigerator. The goal of this work is to construct a platform that will allow the chip to work at 4 K without liquid helium, thereby making the system more convenient and eliminating the need for users to ...


Operation of a NbN-based programmable Josephson voltage standard chip with a compact refrigeration system

A. Shoji; H. Yamamori; M. Ishizaki; S. P. Benz; P. D. Dresselhaus IEEE Transactions on Applied Superconductivity, 2003

A refrigeration system was designed and constructed for realizing a liquid-He- free programmable Josephson voltage standard. The system is equipped with a two-stage Gifford-McMahon cooler, a thermal-radiation shield, a magnetic-field shield and semi-rigid coaxial cables to supply microwave power to a chip. The performance of the system was examined by use of a NbN-based 8-bit digital-to- analog converter (DAC) chip ...


Synchronization and desynchronizing control schemes for supermarket refrigeration systems

Lars F. S. Larsen; Claus Thybo; Rafael Wisniewski; Roozbeh Izadi-Zamanabadi 2007 IEEE International Conference on Control Applications, 2007

A supermarket refrigeration system is a hybrid system with switched nonlinear dynamics and discrete-valued input variables such as opening/closing of valves and start/stop of compressors. Practical and simulation studies have shown that the use of distributed hysteresis controllers to operate the valves leads to synchronization, meaning that the opening and closing actions of the valves coincide. Consequently, the compressor periodically ...


Upgrade alternatives for the nsls superconducting wiggler

M. Fedurin; P. Mortazavi; J. Murphy; G. Rakowsky 2007 IEEE Particle Accelerator Conference (PAC), 2007

The superconducting wiggler (SCW) with 4.2 Tesla field in 5 main poles has been in operation on the NSLS X-ray storage ring for more than 20 years. The inefficient cryogenic system of this wiggler uses a closed-cycle refrigerator requiring constant maintenance. It is possible to replace this insertion device with a 13-pole SCW originally built by Oxford Instruments. The cryostat ...


More eLearning Resources

IEEE.tv Videos

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IEEE-USA E-Books

  • Cooling and Thermal Insulation Systems

    This chapter contains sections titled: Introduction Anatomy of a Cryostat Cryogenic Fluids for Cooling HTS Magnets Direct Cooling with Cryogens Indirect or Conduction Cooling Refrigeration Systems Open Loop Cooling with Liquid Nitrogen Magnet Materials Current Leads Example Cryostat Design Summary References

  • Thermal Protection Methods for Electronics in Hot Wells

    This article reviews the criteria and constraints used to successfully design thermal protection for down-hole tools and electronic instruments that make high-quality measurements in hot geothermal wells. Imposed thermal, mechanical, and chemical environments and design methods for obtaining highly reliable electronic operation are described. The two main approaches for thermally protecting electronics and ensuring operation at high temperatures are (1) to use temperature-hardened electronics below its specified temperature limit, or (2) to use conventional electronics with thermal protection, either a passive thermal protection system using insulation and heat sinking or an active refrigeration system. The technology related to both approaches for thermal protection and the choices among thermal protection methods are reviewed.

  • Superconductivity and Magnetism

    This chapter contains sections titled: Historical Introduction Magnetic Flux Magnetic Levitation Magnetic Materials Magnetic Noise, Barkhausen Effect Magnetic Refrigeration Magnetic Resonance Superconducting Magnets, Quench Protection Superconductivity: Critical Current Superconductivity: Electromagnets Superconductivity: Electronics Superconductivity: Hysteresis and Coupling Losses Superconductivity: Microwave Technology Superconductivity: Tunneling and Josephson Junctions Superconductivity: Type I and II

  • Devices for the transfer of heat and work

    This chapter contains sections titled: Flow of fluids in ducts, Isentropic expansion of fluids in nozzles, Effect of back pressure on flow in nozzles, Nozzle efficiency, Heat and work effects in the compression and expansion of fiuids, Classification of compressors and expanders, Reciprocating piston compressors, Rotary compressors, Reciprocating expansion engines, Dynamic compressors and expanders, Turbines, Turbo-compressors, Efficiency of turbo- machinery, Refrigeration and gas liquefaction, Minimum work of refrigeration, Refrigeration cycles, Modification to the vapour-compression cycle, Low temperature gas liquefaction, Liquefaction processes, Production of power, Problems, Answers, Notes

  • Refrigeration System

    This chapter contains sections titled: Description of System Performance Definitions Performance Analysis Performance Improvement Opportunities Performance Monitoring Example: Improvement of Chilled Water System Operation Bibliography



Standards related to Refrigeration

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Jobs related to Refrigeration

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