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Development of an adaptive PID controller for superheating control employing artificial bee colony.
- Author(s) : PANOEIRO N. M., KOURY R. N. N., MACHADO L., et al.
- Publication date: 2016/07/11
- Languages : English
- Keywords : Electronic expansion valve, Control (automatic), Superheat, Simulation, Performance
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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IIR document

Dynamic linear modeling of a refrigeration process with electronic expansion valve actuator.
- Author(s) : SIQUEIRA DANTAS T. S. S., FRANCO I. C., FILETI A. M. F., et al.
- Publication date: 2017/03
- Languages : English
- Keywords : Electronic expansion valve, Comparison, Control (automatic), R404A, Superheat, Modelling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 75
- Formats : PDF
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Effect of water maldistribution in multi-circuit evaporator on superheat control dynamics of thermostatic-expansion-valve refrigeration system.
- Author(s) : ZHAO R., HUANG D., LENG Y., et al.
- Publication date: 2017/03/25
- Languages : English
- Keywords : Thermostatic expansion valve, Control (automatic), Superheat, Expérimentation, Evaporator, Water, Distribution
- Source: Applied Thermal Engineering - vol. 115
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Experimental performance investigation of cooling or heating coil valves and their impact on temperature controls.
- Author(s) : CAI J., KURTULUS O., BRAUN J. E.
- Publication date: 2016/07/11
- Languages : English
- Keywords : Valve (generic), Control (automatic), Cooling, Coil, Performance, Air conditioning, Heating
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Self-learning backlash inverse control of cooling or heating coil valves having backlash hysteresis.
- Author(s) : CAI J., BRAUN J. E.
- Publication date: 2016/07/11
- Languages : English
- Keywords : Valve (generic), Control (automatic), Cooling, Coil, Performance, Air conditioning, Heating
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Pressure pulsation in the reciprocating compressor with stepless capacity regulation.
- Author(s) : YANG L., WANG W., JIA X., et al.
- Publication date: 2018/07/09
- Languages : English
- Keywords : Test rig, Suction, Pulsation, Control (automatic), Valve (compressor), Modelling, Pressure, Reciprocating compressor
- Source: 2018 Purdue Conferences. 24^thInternational Compressor Engineering Conference at Purdue.
- Formats : PDF
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Optimisation of expansion valve control in small refrigeration appliances under cyclic operation.
- Author(s) : BEEK M. van, JONG H. D.
- Publication date: 2016/07/11
- Languages : English
- Keywords : Commercial application, Control (automatic), Cooling capacity, Optimization, Energy efficiency, Expansion valve
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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An integrated solution enabling low superheat operation for improved performance in reversible chiller systems.
- Author(s) : KRISHNA A., WINANDY E., BERTAGNOLIO S.
- Publication date: 2018/07/09
- Languages : English
- Keywords : Electronic expansion valve, Variable speed, Control (automatic), Chiller, Performance, Testing, Compressor
- Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Recommended by the IIR

Installations frigorifiques à compression mécanique.

Mechanical compression refrigeration plants.
- Author(s) : MELLARI S.
- Publication date: 2021/12
- Languages : French
- Keywords : Compression system, Compressor, Expansion valve, Compression, Heat exchanger, Control (automatic), Training, Refrigerant
- Formats : PDF
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Effect of subcooling control on residential heat pump systems’ performance.
- Author(s) : DE CARVALHO B. Y. K., HRNJAK P.
- Publication date: 2021/05
- Languages : English
- Keywords : Heat pump, Household application, Electronic expansion valve, Subcooling, Control (automatic), Expérimentation, Performance
- Source: 2021 Purdue Conferences. 18^thInternational Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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IIR document

Dynamic simulation of electronic expansion valve controlled refrigeration system under different heat transfer conditions.
- Author(s) : SHANG Y., WU A., FANG X., et al.
- Publication date: 2016/12
- Languages : English
- Keywords : Refrigerating system, Electronic expansion valve, Heat transfer, Control (automatic), Superheat, Stability, Simulation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 72
- Formats : PDF
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IIR document

Control of flash gas bypass MAC system with emphasis on start-ups and transients.
- Author(s) : LI Y., HRNJAK P.
- Publication date: 2017/12
- Languages : English
- Keywords : R134a, Control (automatic), Performance, Flash gas, Expérimentation, Expansion valve, Mobile air conditioning, Compressor
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 84
- Formats : PDF
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IIR document

Experimental investigation of a novel expansion device control mechanism: Vortex control of initially subcooled flashing R134a flow expanded through convergent-divergent nozzles.
- Author(s) : ZHU J., ELBEL S.
- Publication date: 2018/01
- Languages : English
- Keywords : Two-phase coolant, R134a, Vortex, Control (automatic), Expérimentation, Flow, Expansion valve, Flow boiling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 85
- Formats : PDF
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IIR document

Experimental investigation on control methods and strategies for off-design operation of the transcritical R744 two-phase ejector cycle.
- Author(s) : LAWRENCE N., ELBEL S.
- Publication date: 2019/10
- Languages : English
- Keywords : Two-phase flow, Control (automatic), R744, Optimization, Testing, Ejector, Expansion valve, COP, CO2
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 106
- Formats : PDF
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IIR document

Control analysis of VRF air-conditioners for the evaluation of demand response.
- Author(s) : MATSUMOTO K., SAITO K., YAMAGUCHI S., et al.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Variable volume, Energy consumption, Electricity, Control (automatic), Simulation, Performance, Expansion valve, Cycle, Air conditioning
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
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See all results in the Fridoc database

LNG Overview

LNG tankers China will produce 5 more LNG tankers. The first Chinese-built LNG tanker was built last year and the second one was launched in Shanghai in June 2006: it cost 160 million USD and can carry 147 000 m3 of LNG at -163°C during...
- Publication date : 2006/11/15
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New refrigerant leak detection and isolation technology.

Toshiba has introduced a system which will automatically isolate a specific section of air conditioning pipework in the event of a leak.
- Publication date : 2014/04/17
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China: expanding electronic expansion valve market

Electronic expansion valves are mainly used in inverter air conditioners to automatically adjust refrigerant flow to achieve better energy-saving performance. This technology is one of the 30 key energy-saving technologies promoted by the Chinese...
- Publication date : 2011/06/08
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Briefs: CO2 heat pumps in a retirement home

Villa Laura, a retirement home near Florence, Italy, is equipped with 4 water/water ground-water heat pumps operating with a transcritical CO2 cycle providing heating, air conditioning and hot water. This technology is already used to produce hot...
- Publication date : 2007/11/20
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2005 AHR Expo Innovation award winners

The winners of the third annual AHR (Air Conditioning, Heating and Refrigeration) Expo Innovation awards will be honoured during a ceremony during the 2005 AHR Expo in Orlando, Florida, on February 8, 2005. The product entries were judged for...
- Publication date : 2004/12/22
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Member news : Danfoss launches thermostatic expansion valve for CO2

Danfoss has recently launched a thermostatic expansion valve for CO2, based on its TE2 valve. It is suitable for small to medium size remote refrigeration systems such as cold rooms and display...
- Publication date : 2022/10/27
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Additive manufacturing of heat exchangers

In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...
- Last update : 2022/09/07
- Langues : English, French
- Themes : Evaporators, condensers and other heat exchangers
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