Search results

Volumetric efficiency improvement by overflow in rolling piston compressor.

• Author(s) : WANG W., HUANG G., ZHANG Y.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Volumetric efficiency, Performance, Optimization, Expérimentation, Rolling piston compressor, Compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Efficiency evaluation of a miniature multi-stage compressor under insufficient inter-stage cooling conditions.

• Author(s) : LIU Y., MIAO N., DENG Y., et al.
• Publication date: 2019/01
• Languages : English
• Keywords : Volumetric efficiency, Simulation, Multistage system, Cylinder, Compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 97
• Formats : PDF

A proposal of graphing methods for improved compressor test data evaluation.

• Author(s) : SJOHOLM L., MA Y. C., WYNN B.
• Publication date: 2022/07/15
• Languages : English
• Keywords : Compressor, Performance, Volumetric efficiency, Testing, Thermodynamic property
• Source: 2022 Purdue Conferences. 26^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Influence of volumetric displacement and aspect ratio on the performance metrics of the rotating spool compressor.

• Author(s) : BRADSHAW C. R., KEMP G., OROSZ J., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Geometry, Volumetric efficiency, Prototype, Performance, Rotary compressor, Compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

A piezoactuated diaphragm micro compressor with a hydraulic drive.

• Author(s) : HU Y., WANG W.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Volumetric efficiency, Performance, Modelling, Miniaturization, Hydraulics, Expérimentation, Compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Implementing the principles of operating processes schematization and of performance loss distribution when designing long-stroke reciprocating compressor stages.

• Author(s) : YUSHA V. L., BUSAROV S. S., YU N., FILKIN M., FEDOROVA M. A., DENISENKO V. V., GONCHARENKO A. A., SHIPOV V. B., BESSONOV O. G.
• Publication date: 2021/09
• Languages : English
• Keywords : Reciprocating compressor, Performance, Expérimentation, Volumetric efficiency, Thermodynamic property
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

IIR document

Theoretical and experimental analyses of the internal leakage in single-screw expanders.

• Author(s) : SHEN L., WANG W., WU Y., et al.
• Publication date: 2018/02
• Languages : English
• Keywords : Compressed air, Volumetric efficiency, Simulation, Performance, Expander, Expérimentation, Leakage
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 86
• Formats : PDF

IIR document

Mathematical modeling and parametric study of the limaçon rotary compressor.

• Author(s) : LU K., SULTAN I. A., PHUNG T. H.
• Publication date: 2022/02
• Languages : English
• Keywords : Rotary compressor, Modelling, Geometry, Simulation, Volumetric efficiency, Thermodynamic property
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 134
• Formats : PDF

Optimization of the tip profile of orbiting scroll in an asymmetry suction chamber scroll compressor.

• Author(s) : SUN S. H., SONG Z., GUO P. C., ZHANG B., MAO Z. K.
• Publication date: 2021/09
• Languages : English
• Keywords : Scroll compressor, Optimization, CFD, Modelling, Volumetric efficiency, Thermodynamic property
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

IIR document

A comparative study of two embodiments of the limaçon rotary compressor based on theoretical modelling of apex seal dynamics and leakage.

• Author(s) : LU K., SULTAN I. A., PHUNG T. H.
• Publication date: 2023/01
• Languages : English
• Keywords : Rotary compressor, Modelling, Leakage, Volumetric efficiency, Seal, Simulation, Geometry
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 145
• Formats : PDF

Methods of fluid properties for compressible refrigerant CFD analysis.

• Author(s) : BRANCH S. M.
• Publication date: 2014/07/14
• Languages : English
• Keywords : R410A, Fluid, CFD, Volumetric efficiency, Simulation, Energy efficiency, Flow rate, Refrigerant, Scroll compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

P-V diagram measurement of a variable speed rotary compressor with large displacement.

• Author(s) : QIAN Y., ZHANG L., ZHANG X., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Variable speed, Diagram, Volumetric efficiency, Pressure, Expérimentation, Energy efficiency, Thermodynamic cycle, Rotary compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Performance and operating characteristics of a novel positive-displacement oil-free carbon dioxide compressor.

• Author(s) : KURTULUS O., LUMPKIN D., YANG B., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Volumetric efficiency, R744, Performance, Expérimentation, Oil free compressor, Compressor, CO2
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Study on the pump temperature field and heat transfer in a rotary compressor.

• Author(s) : ZHANG Y., ZHOU X., CHEN Z.
• Publication date: 2017/07/20
• Languages : English
• Keywords : Heat transfer, Temperature, Volumetric efficiency, Simulation, Pump, Performance, Rotary compressor
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Study of novel rotary cylinder compressor.

• Author(s) : HU Y., XU J., DU Z., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Suction, Generality, Design, Volumetric efficiency, Piston, Clearance volume, Cylinder, Rotary compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Brief: R-723

The new natural refrigerant blend R-723 presents the same advantages as ammonia (i.e. high specific evaporation heat and insignifigant GWP) and offers further benefits: it can be used in copper systems and offers full mineral oil solubility. R-723...

• Publication date : 2005/02/11

Cheers to that!

An innovative brewery refrigeration system that uses natural CO2 gas has been conceived by engineers from the Ziemann Group in collaboration with Axima. This system, which will be of particular interest to large plants with extensive pipe networks...

• Publication date : 2006/05/05

The benefits of linear compressors

Three articles published recently in the IJR illustrate the strength of R&D work around linear compressors and highlight the benefits of these, especially in commercial and domestic...

• Publication date : 2020/02/27

New low-GWP refrigerants popping up

Asahi Glass and DuPont recently announced the development of new low-GWP alternative refrigerants.

• Publication date : 2014/08/07

For IIR members only

A new non-flammable mixture to boost the performance of CO2 systems

In a recent IJR article, researchers propose combining R744 with Dimethyl-ether (DME) to boost system performance while ensuring safety and low environmental impact, in a recent IJR...

• Publication date : 2024/02/26
• Subjects: Technology

DuPont’s new HFO 1336mzz could replace R123

DuPont has announced it is to start small scale production of a new low GWP HFO which could replace R123.

• Publication date : 2014/05/22
• Subjects: HFCs alternatives

Brazilian cold chain panorama

An article from the International Journal of Refrigeration presents a few figures about the infrastructure, energy sources and expenditure of the Brazilian cold chain.

• Publication date : 2018/06/22
• Subjects: Figures, economy

Reducing the environmental impact of ultra-low temperature refrigeration systems

Ultra-low temperature (ULT) refrigeration systems often use very high-GWP HFCs. Yet, ULT systems are excluded from the scope of the regulations aimed at phasing-down HFCs. An IJR paper reviews the most promising...

• Publication date : 2020/04/05
• Subjects: Environment, HFCs alternatives

Air conditioning: which refrigerant will become the leading alternative to R410A?

R32 is being adopted widely for residential and small commercial air conditioning applications, but R466A, R452B and R454B are promising candidates, especially for larger size systems.

• Publication date : 2019/05/29
• Subjects: HFCs alternatives

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : English, French
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

• Last update : 2023/11/07
• Langues : English, French
• Themes : Freezing of foodstuffs