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paper

Transcritical CO2 (R744) Supermarket Refrigeration i...

14 July 2011 | Article / Press | Published: 2009
Conventional supermarket refrigeration systems commonly use HCFC 22, an ozone depleting and very high Global Warming Potential (GWP) refrigerant gas. Replacement of these systems with cascade or transcritical CO2 ...
news
23rd IIR International Congress of Refrigeration with R74...

23rd IIR International Congress of Refrigeration with R74...

13 July 2011
Bringing together expertise from nearly all refrigeration fields, the 23rd International Institute of Refrigeration (IIR) International Congress of Refrigeration (ICR) will take place in Prague, Czech Republic 21-26 A...
paper

On the Energy Efficiency of Carbon Dioxide in Small ...

13 July 2011 | Report / Study | Published: 2010
A study to compare the refrigerants CO2 and R134a in small commercial systems has been performed by IZW. It was leading to the result that optimized CO2 systems can be operated with nearly the same energy consumption ...
product
TK3 oil level control unit

Sensors & Leak detectors | 12 July 2011

from TEKLAB

  • Optical level control unit to control the oil level in the compressor crankcase
  • Max working pressure: 60 bar
  • ...

    read more | send request

    news
    Teklab presents oil level control unit

    Teklab presents oil level control unit

    12 July 2011
    Known for its expertise in the manufacture of oil level controls in multi-compressor applications, Teklab is adding its TK3 optical level control suitable for CO2 systems to the R744.com product database. Designed for...
    news
    AIRAH Refrigeration Engineering Conference to present Aus...

    AIRAH Refrigeration Engineering Conference to present Aus...

    11 July 2011
    Registrations are still open for the 2011 Australian Institute of Refrigeration, Air conditioning and Heating (AIRAH) conference on Refrigeration Engineering, dedicated to “Preparing for a low carbon future&rdqu...
    paper

    Carbon Dioxide as Natural Refrigerant

    11 July 2011 | Article / Press | Published: 2010
    The use of halogen based chemical compounds as refrigerant has compromised the existence of life on the earth. This fundamental paper discusses the suitability of natural refrigerant CO2 in refrigeration and air condi...
    news
    July brings F-Gas Regulation deadlines across the EU

    July brings F-Gas Regulation deadlines across the EU

    8 July 2011
    4 July 2011 marked several official deadlines stipulated by the European F-Gas Regulation, with both individuals and companies now required to hold full F Gas Certificates and the European Commission expected to publi...
    paper

    Water-coupled carbon dioxide microchannel gas cooler...

    8 July 2011 | Report / Study | Published: 2010
    An experimental and analytical study on the performance of a compact, microchannel water-carbon dioxide (CO2) gas cooler was conducted. The experimental results addressed in Part I of this study are used here in Part ...
    news
    Marks & Spencer’s progress in rolling out CO<sub>2</sub> s...

    Marks & Spencer’s progress in rolling out CO2 s...

    6 July 2011
    In its latest sustainability report, UK food retailer Marks & Spencer evaluates its progress in achieving a set of 180 sustainability commitments outlined in its eco and ethical programme ‘Plan A’, inc...
    paper

    Comparison of R744 and R410A for Residential Heating...

    6 July 2011 | Report / Study | Published: 2001
    In the first part of this report, experimental results are presented comparing a prototype R744 system with a commercially available R410A system in heating mode. When the heating capacity of the two systems is matche...
    paper

    Marks and Spencer: How We Do Business Report 2011

    6 July 2011 | Report / Study | Published: 2011
    In its latest sustainability report, UK food retailer Marks & Spencer evaluates its progress in achieving a set of 180 sustainability commitments outlined in its eco and ethical programme ‘Plan A’, inc...
    news
    Innovative Pakistan solar water heating project with CO<sub>2</sub> ...

    Innovative Pakistan solar water heating project with CO2 ...

    5 July 2011
    A project to provide an alternate energy system in Gilgit-Baltistan, Pakistan, will see the development of an ecologically friendly hybrid solar water heating system that uses CO2 as the working fluid. The project is ...
    news
    Case study: Eco Cute hybrid system in cold climate

    Case study: Eco Cute hybrid system in cold climate

    4 July 2011
    A common reproach of Eco Cute is their difficulty in performing in cold climates. A solution to this problem has been proposed in form of a hybrid system, giving the CO2 hot water heat pump support from electric heate...
    event

    IOR Training Forum to discuss UK standards for CO2

    Workshop | 4 Jul. 2011 | London, United Kingdom
    On 4 July 2011, the UK Institute of Refrigeration (IOR) will be hosting a free Training Forum event, whereby the forthcoming City & Guilds CPD (Continuing Professional Development) CO2 training course, as we...
    news
    Coming soon: Supermarket and plug-in refrigerated cabinet...

    Coming soon: Supermarket and plug-in refrigerated cabinet...

    1 July 2011
    Specialised in the design, manufacture and commercialisation of refrigerated cases, Frost-Trol is joining R744.com as Bronze partner to showcase its new product line of refrigerated cabinets named frostCO2. Launched e...
    news
    IEA distinction for advancing CO<sub>2</sub> as a working fluid

    IEA distinction for advancing CO2 as a working fluid

    30 June 2011
    In recognition of his work throughout the years as Research Director at the SINTEF Refrigeration Engineering Division and his contribution among other things in advancing the use of CO2 as a working fluid, Professor P...
    paper

    R744 (CO2) Refrigerant Cooling Systems, the Finned T...

    30 June 2011 | Report / Study | Published: 2011
    R744 (CO2) was used in the early stages of the refrigeration industry, but it lost the competition with halocarbon refrigerants because of its high operating pressure and the loss of capacity and coefficient of perfor...
    news
    New short courses in retail CO<sub>2</sub> servicing and maintenance...

    New short courses in retail CO2 servicing and maintenance...

    28 June 2011
    A new course in CO2 servicing and maintenance was announced in June 2011, compiled by members of the British Refrigeration Association (BRA) and Institute of Refrigeration (IOR).