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Energy modeling of a botanical air filter.

• Author(s) : NEWKIRK D. W., HUTZEL W., DANA M., et al.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

Normalizace a odlucovací schopnosti filtru pro všeobecné vetrání.

Standardization and separation capabilities of filters for general ventilation.

• Author(s) : HEMERKA J., VYBÍRAL P.
• Publication date: 2018/02
• Languages : Czech
• Source: Vytápení Vetrání Instalace - vol. 27 - n. 1
• Formats : PDF

IIR document

Measurement of the permeability of suction filter in reciprocating compressor.

• Author(s) : RUMAN R., ŠUSTEK J., TOMLEIN P.
• Publication date: 2017/09/06
• Languages : English
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

Current based HVAC systems air filter diagnostics and monitoring.

• Author(s) : ALSALEEM F., MUNROE M., RAFAIE M.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Kalman filter based fault detection and diagnosis for air handling units.

• Author(s) : MULUMBA T., AFSHARI A., FRIEDRICH L.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Design of efficient oil coales for helium compressor and oil removal system.

• Author(s) : ANANTAKUMAR S.
• Publication date: 2017/05/15
• Languages : English
• Source: Cryogenics 2017. Proceedings of the 14^th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
• Formats : PDF

IIR document

Mitigating probability of fire in a high pressure oxygen system by appropriate design of divergent pipe leading to particle filter.

• Author(s) : SAHA A., CHOWDHURY K.
• Publication date: 2019/05/08
• Languages : English
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

The use of filtered air curtains along with antimicrobial ice improves the quality and shelf life of fresh fish in refrigerated open display cases.

• Author(s) : LÓPEZ GÓMEZ A., NAVARRO SEGURA L., HASA S. G., ROS-CHUMILLAS M., MARTÍNEZ HERNÁNDEZ G. B.
• Publication date: 2022/04
• Languages : English
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

Development of a compact cryocooler system for high temperature superconductor filter application.

• Author(s) : PANG X., WANG X., ZHU J., et al.
• Publication date: 2016/06
• Languages : English
• Source: Cryogenics - vol. 80

The optimization of the inlet diameter and the filter of the suction muffler of the hermetic reciprocating compressors.

• Author(s) : MARASLI S., GUREL S., YESILAYDIN I.
• Publication date: 2022/07/15
• Languages : English
• Source: 2022 Purdue Conferences. 26^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

3D compressible simulation of a muffler with pseudosound prediction levels.

• Author(s) : RUANO J., LÓPEZ J., LEHMKUHL O., et al.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Disturbance observer-Based control for microchannel cooling system.

• Author(s) : JIN Q.
• Publication date: 2022/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 141
• Formats : PDF

IIR document

Modelling and comparison studies of packed screen regenerators for active magnetocaloric refrigeration.

• Author(s) : LEI T., ENGELBRECHT K., NIELSEN K. K., et al.
• Publication date: 2014/09/07
• Languages : English
• Source: 6^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VI). Proceedings: Victoria, Canada, September 7-10, 2014.
• Formats : PDF

Adaptive grey-box models for model predictive building control using the unscented kalman filter.

• Author(s) : FREUND S., SCHMITZ G., TIEMANN C. M.
• Publication date: 2021/05/24
• Languages : English
• Source: 2021 Purdue Conferences. 6^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Filtro de Kalman para a determinação do ar num espaço ocupado de modo intermitente e ventilado naturalmente.

Kalman filter for the determination of air exchange in a space occupied intermittently and naturally ventilated.

• Author(s) : DUARTE R., GOMES M. G., MORET RODRIGUES A.
• Publication date: 2018/06/19
• Languages : Portuguese
• Source: CYTEF 2018. IX Congreso Ibérico y VII Congreso Iberoamericano de Ciencias y Técnicas del Frío, Valencia, España, 19-21 junio 2018.
• Formats : PDF

Facebook profiles cooled down through polar wind (in French)

The cooling of servers which process most of the data published on our walls uses polar wind.

• Publication date : 2016/10/01

Waste heat recovery to eliminate the novel coronavirus in HVAC systems

A recent study proposes a technique for eliminating SARS-CoV-2 from cleanroom HVAC systems using the recovered heat of exhaust air. The modified system could be easily implemented in...

• Publication date : 2020/09/04

The Canadian HVAC Market. First quarter 2014

According to the Heating, Refrigeration and Air Conditioning Institute of Canada (information provided by ReportLinker), air-handler sales showed the largest increase in the first quarter of 2014.

• Publication date : 2014/07/23
• Subjects: Figures, economy

Energy saving initiatives for cooling in data centres

In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...

• Publication date : 2021/02/25
• Subjects: Technology, Environment

COVID-19 news in the HVAC&R sector

The IIR reviews the available information on the possible impact of air conditioning on the spread of COVID-19 and the recommendations for the operation and maintenance of HVAC systems. Furthermore, several...

• Publication date : 2020/04/05

The HVAC&R market in the EMEA region in 2015

Eurovent Market Intelligence (EMI), the European Statistics Office for the HVAC&R market, has just published the results of its studies on 2015 sales in the Europe, Middle East and Africa (EMEA) region, based on the data collected from a large...

• Publication date : 2016/12/06
• Subjects: Figures, economy

Air conditioner wastewater purified for human consumption

In Ecuador, Panasonic developed ACH20, a filtering system that purifies air conditioner wastewater and makes it fit for human consumption.

• Publication date : 2015/09/03

Better air in planes - at last!

A series of technical changes is making it possible to improve the quality of cabin air in airplanes which until now has been invariably dry and poor in oxygen. The reason: the air was derived from the jet engines. This so-called "bleed air" is...

• Publication date : 2007/02/12

Briefs: Sustainable fishery in Namibia

Since November 2009, Hangana Seafood has a new pre-sorting facility in Walvis Bay harbour, Namibia, which uses ammonia as a refrigerant. The 2800 m² sorting facility has a 0°C chill room for holding unsorted fish, two 16°C temperature-controlled...

• Publication date : 2011/02/04

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

Out of the ordinary: Keeping clay soldiers (relatively) cool

The largest group of terracotta figures ever lent by China was on display at the British Museum until April 6, 2008. The Chinese government required the 20 warriors to be kept at temperatures of 22°C + 2°C and at humidity levels of 45% RH + 8%, a...

• Publication date : 2008/05/13

Assessing indoor air quality: Air cleaners

The quality of indoor air and how to assess it are increasingly raising concern, whether this is related to the efficiency of air-conditioning systems or of air cleaners. Air-cleaner market is doing fine. According to the Environmental Protection...

• Publication date : 2008/02/12

Brief: garden fresh

A new system involving the direct humidification of vegetables in supermarket displays allows for greater freshness and a more appealing product. A recent study carried out in the US has shown the benefits of such a system: in atomised lettuce,...

• Publication date : 2006/01/28

Garden fresh

A new system involving the direct spray cooling of vegetables in supermarket displays allows for greater freshness and a more appealing product. A recent study carried out in the US has shown the benefits of such a system: in lettuce, only one out...

• Publication date : 2005/12/22

Briefs: Doubt on the air quality in airplanes

The Committee on Toxicity, an independent group of experts consulted by the British government estimated that 1% of all daily passenger air flights were affected by smoke incidents in the cabin, and airlines acknowledge 0.05%. in the United States...

• Publication date : 2009/12/09

IIR economic news service: the latest from our market report partners

The IIR has established partnerships with several leading market research companies, as well as with establishments that combine and provide detailed reports and global analytical studies on different sectors of the refrigeration or economic...

• Publication date : 2016/12/07

Now it’s even easier to find your thesis in FRIDOC!

To increase the visibility of your thesis, publish it in FRIDOC. The comprehensive database dedicated to refrigeration information now comprises nearly 300 theses from across the globe.

• Publication date : 2022/11/22
• Subjects: General information

Your International Journal of Refrigeration; still the best in its field

Thomson Reuters confirms that the International Journal of Refrigeration is still the best in its field

• Publication date : 2015/07/08

FRIDOC: The most comprehensive refrigeration database in the world!

With more than 109,000 indexed resources, FRIDOC is the world’s most comprehensive database dedicated to refrigeration information. Discover the latest improvements!

• Publication date : 2023/06/27
• Subjects: Figures, economy, General information

Find out who are the top 10 most active countries on the IIR website!

Since its overhaul in 2020, traffic to the IIR website has doubled and it has seen a drastic increase in the number of visitors from least developed countries. Find out who have been the top 10 most active...

• Publication date : 2022/12/05
• Subjects: General information

Activities of the IIR’s Commission A2 on Liquefaction and Separation of Gases

The problems related to thermodynamic optimization and new technologies in liquefaction and separation of gases are actual and critical for many branches of modern industry, power generation and medicine.

• Publication date : 2014/03/07

Member news: latest innovations from Mirai Intex

The company Mirai Intex has just marketed a refrigeration machine using air cycle for low temperatures. Mirai Intex also markets a mobile storage solution. 

• Publication date : 2022/03/29