This property may be exploited when requiring simultaneous cooling and heating in building air conditioning…
PUBLICATIONS
Visser has authored in excess of 90 papers and presentations, of which more than 60 have been published. Below is a list of 96 papers and presentations covering a wide range of subjects on the application of ammonia refrigeration to industrial food processing and cold storage with a particular emphasis on meat until about the year 2000 with only a few since.
Since the year 2002 Visser has mainly written about CO2 after his dear departed friend, mentor and teacher Professor Gustav Lorentzen started to teach Visser about CO2 refrigeration after GL discovered in 1985 that Visser, like GL himself, had worked on a ship with a CO2 plant. GL took an interest in Visser’s work after GL attended the presentation of paper No. 11 in Melbourne in September 1976 in GL’s then capacity as President of The Scientific Council of IIR.
Paper No.11 was also responsible for the invitation from Land O’ Lakes to participate in the investigations at the Spencer Beef, Oakland, Iowa and Schuyler, Nebraska plants. This started my successful career in the USA and other parts.
The Australian Institute of Refrigeration Air Conditioning and Heating awarded the best paper award for Paper No. 27 in 1984 after the paper was published in the AIRAH Journal in 1983.
Paper No. 74 was judged the best paper presented at the 4th International Conference on Heating, Ventilating and Air Conditioning in Tehran, Iran in June 2012.
1 “Spiral Belt Freezers” – 1970
Paper invited by the Australian Institute of Refrigeration, Air Conditioning and Heating.
Published in AIRAH journal 1971.
2 “Fluidised bed Belt Freezing”
Paper invited by AIRAH for presentation at the 1972 Federal AIRAH Conference, held in Sydney in April-May 1972.
3 “The Design of Refrigeration Equipment for Modern Meat Chillers”
Paper invited by the CSIRO Meat Research Laboratory and presented at their November 1974 Meat Chilling and Handling Seminar. Paper published in Seminar proceedings.
4 “Alternative Air Conditioning Systems”
Paper invited by the Council of Australian Public Abattoir Authorities. Paper presented at the CAPAA Engineers’ Conference, held at the Homebush Saleyards Conference Centre.
Hosts: Homebush Abattoir, 11-13 March 1975
Paper published in Conference Proceedings.
5 “Design Practice for Low Energy consumption in Industrial Refrigeration”
Author nominated this paper and it was presented at the Federal Conference of the Australian Institute of Refrigeration Air conditioning and Heating (AIRAH) held in Hobart April 28 – May 2, 1975. The paper was published in the July 1975 issue of the official journal of AIRAH.
6 “Ways and Means of Improving Yield of Fresh Produce in Chiller”
Paper invited by the Victorian Division of AIRAH.
Paper delivered on 9th July, 1975.
Paper published by AIRAH in August 1976 issue of official journal.
7 “Control and Justification of Costs of Abattoir Refrigeration Plants”
Paper nominated after receiving invitation from CAPAA.
Paper presented at 1976 CAPAA Engineer’ Conference on 1-4 March 1976 in Adelaide.
Conference Hosts: SAMCOR
Paper published in Conference Proceedings.
8 “The Efficient Utilisation of Refrigeration Plant and Equipment in Abattoirs”
Paper invited by CSIRO Meat Research Laboratory, Cannon Hill.
Paper presented at CSIRO Resources and Waste Management Seminar on
31st March, 1976. Paper published in Seminar Proceedings.
9 “The Efficient Utilisation of Refrigeration Plant and Equipment in Prawn Processing Plants”
Paper invited by the Queensland Seafood Processors Association for their Winter School for Seafood Processors held at the Hawkesbury Agricultural College, Richmond NSW from 30th August-3rd September, 1976.
10 “Freezing Methods for Fruits and Vegetables”
Paper invited by the Hawkesbury Agricultural College, Richmond NSW. Presented at the 1976 Winter School for Fruit and Vegetable Processors.
11 “Current Refrigeration Practices in Australian Abattoirs”
Paper nominated by author.
Paper presented at the first meeting of the International Institute of Refrigeration in Australia. Held in Melbourne 6th-10th September 1976.
Paper published in conference proceedings.
This paper was published in French in Jan – Feb 1978, Volume 19 Issue No 105 of Euroviandes
12 “Design and Pipe Sizing for Industrial Refrigeration”
Paper invited by the Education Subcommittee of AIRAH, Victoria Division.
Paper presented at the National Science Centre, Melbourne 29th September and 30th October 1976, July 1978 and mid-1995.
13 “An Industrial Refrigeration Application Standard – Why?”
James Harrison Memorial Lecture 1977.
Presented to the AIRAH Victorian Division, 13th July 1977.
14 “The Plate Freezing and Handling of Pre-rigor and Post-rigor Frozen Hot Boned Meats”
Paper invited by the Country Meatworks Association of NSW.
Paper presented at the 19th Meatworks Convention, Casino, NSW on 29th September 1977.
15 “The Efficient Utilisation of Energy in Refrigeration Systems”
Paper invited by the Australian Institute of Food Science and Technology. Paper presented at the 12th Annual Convention, held in Melbourne 28th May–1st June 1978.
16 “Ways and Means to Improve Energy Utilisation in Cold Storage and Freezing Plants”
Paper invited by the Cold Storage and Ice Association of Victoria.
Paper presented at a Seminar Meeting held in Melbourne on 17th July, 1978.
17 “Machinery Room – Optimisation of Equipment Performance”
Paper invited by the Council of Australian Public Abattoir Authorities (CAPAA).
Paper presented at the 1979 CAPAA Engineers’ Conference held in Perth, WA
26th-28th February 1979.
18 “Chilling and Freezing Systems for the Meat Industry”
Paper presented at CSIRO Meat Research Laboratory Refrigeration Seminars conducted in Perth 1st March 1979, Brisbane 6th June 1979, Melbourne 14th June 1979. Paper invited by CSIRO Meat Research Laboratory.
19 “Cold Storage, Transport and Shipping of Unitised Loads of Plate Frozen Meat”
Paper presented to the Victorian chapter of the Cold Storage and Ice Association at their Seminar Meeting conducted at the VEF Building 25th June, 1979.
20 “Ways and Means to Improve Energy Utilisation in Cold Storage and Freezing Plants”
Paper No.1 of the AIRAH Victoria Division Education Subcommittee Energy Conservation Seminar, August 2, 1979.
21 “Long Term Storage of Grapes”
Paper was presented to the Victoria Division of AIRAH at Clunies Ross House, Melbourne on 13th September 1979.
22 “The Proposed Development Of Automatic Plate Freezers For The Freezing Of Meat”
Proceedings of the 12th biotechnology conference on refrigeration in the processing industry.
Biotechnology department, Massey University, Palmerston, New Zealand 28 – 30 May, 1980.
23 “The Advantages of Automatic Plate Freezing”
James Harrison Memorial Lecture, Victoria Division AIRAH, July, 1981.
24 “An Impartial View of Oil Injected Refrigeration Screw Compressors”
Paper presented to AIRAH Northern Territory Division, Darwin, September 1981.
25 “The Energy Efficient Design, Installation and Operation of Refrigeration Plant For The Cold Storage Industry”
Paper invited by the Cold Storage Association of Australia for presentation to the joint conference with the N.Z. Cold Storage Association held at Auckland, N.Z. 18 – 23 October 1981.
26 “A Large Capacity Automatic Plate Freezer For Meat Cartons”
A paper jointly authored with Mr L. S. Herbert of CSIRO and presented to The International Institute of Refrigeration joint meeting of commissions C2, D1, D2, D3 Hamilton, N.Z. January 26 – 29, 1982.
27 “Progress Report On The Development Of A Large Scale Automatic Plate Freezer For Meat”
This paper was co-authored with the late Mr Len Herbert, then senior research scientist at the CSIRO Meat Research Laboratory and jointly presented to the 1982 AIRAH Federal Conference held in Hobart 19 – 23 April 1982.
The paper was published in the AIRAH Journal in 1983 and was judged the best paper published in 1983, and 1984.
28 “A Large Scale Automatic Plate Freezer For Cartons Of Meat”
“Technology For Export” Conference, AIRAH, Hong Kong, November 2 – 10, 1983.
29 “A Large Scale Automatic Plate Freezer For Cartons Of Meat”
Profitability of Food Processing – 1984 onwards – the Chemical Engineer’s Contribution” Conference.
Institution of Chemical Engineers (Sth. Western Branch U.K. EFCE Event No 293) Institute of Chemical Engineers Event No 84. University of Bristol Assembly Rooms, Bath, U.K., 10 – 12 April 1984.
30 “Energy Savings In Refrigerated Warehouses”
Cold Storage Association of Australia 46th Annual Conference.
“Preservation – A Way Of Life”
Southern Cross Hotel, Melbourne, Vic., Australia, 26th September – 2nd October 1986.
31 “A Case Study Of Heat Pump Applications”
“Merging Design and Energy” Conference presented jointly by the Australian Dairy Corporation, Commonwealth Department of Primary Industries and Energy and the Queensland Food Industry Training Council, Southport Motor Inn, Southport, Queensland. July 26 – 27, 1989.
32 “Modern Beef and Sheep Dressing”
1992 CAPAA Engineering Conference – Adelaide 20-23 September 1992
33 “The Prevention and Control of Condensation in Active Carcase Chillers”
Paper invited by AMH Pty Ltd (Conagra USA subsidiary) presented at the Managers’ and Engineers’ AMH Conference Corporate Headquarters, April 1994.
34 “The Current State of Large Scale Automatic Plate Freezer Development in Australia”
Paper presented at the Joint Australia and New Zealand Institute of Food Science and Technology Conference.
Aotea Centre, Auckland, New Zealand, 15-19 May 1995
35 “The Design and Operation of Large Automatic Plate Freezers”
19th International Congress of Refrigeration – International Institute of Refrigeration.
The Hague, The Netherlands, August 20-25, 1995.
36 “The Prevention and Control of Condensation in Active Carcass Chillers”
AIRAH / Victoria University Seminar on “Refrigerating for Meat Quality”.
Werribee Campus – Victoria State University, 11-12 July 1996
37 “Refrigeration Plant Assessment During Due Diligence Procedure for New Acquisitions”
Paper invited by Nestlé and presented at the Industrial Refrigeration Workshop Bjuv, Sweden, September 16-20, 1996.
38 “Efficient Meat Packing Plant for the Future”
Paper invited by the Country Meatworks Association of NSW. Presented at their Ballina NSW Convention. October 1998
39 “Active Chiller Operations and Chiller Cycle Control Requirements”
Meat Standards Australia (MSA) Third Training Program for MSA Beef graders.
Riverglen Conference Centre, Indooroopilly, Queensland, 12 May 1999.
Paper was presented also in 1997 and 1998 on behalf of MSA.
40 “New Developments in Automatic Freezing Technology in Australia”
Technical Paper No 4
Annual meeting – International Institute of Ammonia Refrigeration (IIAR), Dallas, Texas, March 21-24, 1999, Wyndham, Anatole Hotel.
41 “Carbon Dioxide (CO2) for the Food Processing and Cold Storage Industries”
pp 16-23 Ecolibrium – AIRAH Journal Volume 1, No 5, June 2002.
42 “Preventing and Controlling Condensation in Meat Packing Plants”
Paper presented at the 2003 IIAR Ammonia Refrigeration Annual Conference, Albuquerque, New Mexico.
Designated: Technical Paper No 7.
43 “Total Energy Two-Stage Transcritical CO2 Systems for Food Processing and Total Energy Single or Two-Stage Transcritical CO2 Systems for Air Conditioning and Heating”
The merging of refrigeration engineering into steam engineering.
AIRAH Natural Refrigerants for Air Conditioning Refrigeration and Heating.
Meeting at the Sydney Museum, July 28, 2004
44 “Introduction to Industrial CO2 systems”
Invited by c-dig (Carbon Dioxide Interest Group) to give the Introductory address to the inaugural c-dig meeting in the USA Meeting conducted at the University of Illinois, Urbana, IL, USA on 8 October, 2004.
45 “Introduction to Industrial CO2 systems for the Meat Industry”
Presentation requested by the CSIRO Meat Research Laboratory.
Talk presented to the MLA sponsored Queensland Meat Industry Engineers Network at the Redcliffe RSL club on 17 November, 2004.
46 “The Real Cost of Product Freezing”
Technical Paper No. 4 – IIAR annual conference Reno, NV, USA.
March 20-22, 2006
47 “Comparison of Total Energy Intensity of Conventional Central AC Systems with Transcritical CO2 AC Systems”
IIR- B2, B1, D1 – Ohrid, Macedonia (FYR) April 19 – 21, 2007
48 “The Environmental Benefits of Using the Natural Refrigerant Carbon Dioxide as a Source of Cooling and Heating in Office Air Conditioning and Food Processing”
c-dig meeting – Tokyo Japan – 27-29 August 2007
49 “The Beneficial Reductions in Energy and Water Consumption, and Green House Gas Emissions When Using the Natural Refrigerant Carbon Dioxide as a Source for Cooling in Office Air Conditioning and Food Processing”
NRTB Meeting – Adelaide – 14 November 2007
50 “An Introduction to the Benefits of Transcritical CO2 Cooling and Heating in Office Buildings and Meat Packing Plants”
Presented to the AIRAH Natural Refrigerants Special Interest Group at the Monash Conference Centre, 30 Collins Street, Melbourne on 16 July 2008 and at the Vibe Hotel, North Sydney on 30 October 2008.
51 “A Case Study into the Application of CO2 Cooling and Heating in American Office Buildings”
8th IIR Gustav Lorentzen Conference on Natural Working Fluids, Copenhagen 7-10 September 2008.
52 “On Reducing CO2 Emissions and Water Use by our Hospitals”
IHEA Annual Conference, Canberra, ACT, 10-13 September 2009.
(1) The Australian Hospital Engineer – Volume 3, Number 01 – Summer 2009.
(2) Health Estate – Journal of the Institute of Healthcare Engineering and Estate Management (IHEEM) – www.iheem.org.au and www.healthestatejournal.com – International Federation of Hospital Engineering Edition – May 2009, Volume 63, Number 5, pp.24-27.
53 “The Energy and Water Saving Benefits, Greenhouse Gas Emission Reduction and Legionella Danger Elimination when using Transcritical CO2 Refrigeration for Building Cooling and Heating”
SB.08 International Sustainable Building Convention – Melbourne Convention Centre, 22-27 September 2009.
54 “A Design Procedure for Energy Efficient Meat Carton Freezing”
3rd IIR Ammonia Refrigeration Technology Conference, Ohrid, Macedonia, 7-9 May 2009. IIR – B1 and B2 and D.
55 “The Separate and Combined Use of Ammonia and Carbon Dioxide in Refrigeration Systems”
Part 1: Ammonia and CO2/NH3 Cascade Systems
3rd IIR Ammonia Refrigeration Technology Conference, Ohrid, Macedonia, 7-9 May 2009. IIR – B1 and B2 and D.
56 “The Separate and Combined Use of Ammonia and Carbon Dioxide in Refrigeration Systems”
Part 2: Sub- and Trans-critical CO2 Systems
3rd IIR Ammonia Refrigeration Technology Conference, Ohrid, Macedonia, 7-9 May 2009. IIR – B1 and B2 and D.
57 “The Possible Reductions in Energy and Water Consumption, and CO2 Emissions when using CO2 Refrigeration for Building Cooling and Heating”
AIRAH Green Dream Conference, 15-16 July 2009. Published in Ecolibrium, pp.42-54, Volume 9.3, April 2010.
58 “Back to the Future? Environmental Impact of Retrofitting CO2 Refrigeration for Heating and Cooling of Existing Buildings and Application to New Buildings”
ASHRAE winter conference – Orlando, Florida US, 24 January 2010 – Seminar: ASHRAE Inside – Building Sustainability from the Inside Out.
59 “The Benefits of Ammonia and CO2 Heat Pumps in the Dairy Industry”
Australian Food Engineers Association (AFEA) meeting at Engineers Australia Headquarters, 24 February 2010.
60 Presentation No. 58 was made again by K. Visser at the International Monetary Fund (IMF), whose property officer invited Visser to make the presentation at IMF headquarters in Washington DC on 25 March 2010.
61 “The Use of Ammonia and CO2 Heat Pumps in Food Processing”
1st IIR International Cold Chain and Sustainability Conference, Cambridge, UK, 29-31 March 2010. Organised by IOR.
Paper also published in Spanish in the Official Journal of the Spanish Association of Refrigeration “FRIO-CALOR-AIRE ACONDICIONADO” in July 2011.
62 “An HFC/HCFC Free Food Processing Plant: the Energy and Environmental Benefits of a Two Stage Transcritical Refrigeration Plant”
9th IIR Gustav Lorentzen Conference on Natural Working Fluids, Sydney, 12-14 April 2010.
63 “The Future Energy Efficiency in USA Office Buildings and Hospitals using Total Energy NH3 and CO2 Systems for Heating and Cooling”
ASHRAE summer conference conducted at Albuquerque, NM 25-30 June 2010. ASHRAE invited Visser to speak again after the success of the Orlando effort. See 58 above.
64 “The Energy Efficiency in Sydney Office Buildings and Melbourne Hospitals when using Total Energy Ammonia and CO2 systems for Heating and Cooling”
AIRAH Conference: Achieving the Green Dream – Tomorrow’s Technology Today. Melbourne 16-17 September 2010.
65 “The Merits of Ammonia and CO2 Heat Pumps for Process Water Heating in the Food Processing Industries”
Paper invited by the International Institute of Ammonia Refrigeration Inc. (IIAR), Washington DC USA for publication in their May 2011 issue of “Condenser” the IIAR’s quarterly publication.
66 “Applying Energy Efficient Refrigeration Design Principles to the Cooling and Heating of Buildings” Forum discussion
AIRAH 90th Anniversary Conference – HVAC&R in the 21st Century, Sydney 18-19 September 2010.
67 Publication of publication No. 57 in French entitled: “Climatisation des immeubles: comment réduire les consommations et les emissions de GES grâce au CO2”, pp55-65, Revue Générale du Froid & du Conditionnement d’ Air. No. 1111, March 2011. ISSN 1958-4490 – mensuel.
68 “A Conceptual Study of an Inverse NH3 to CO2 Cascade for Simultaneous Cooling and Heating”
4th IIR Ammonia Refrigeration Technology Conference, Ohrid, Macedonia, 14-16 April 2011. IIR – B1, B2 and D. See also publications 47, 54 and 55.
69 “Technical Perspectives of and Innovation Applied to CO2 in Australia”.
Paper requested by the L’Association Francaise du Froid. Paper published in French entitled “Etat des lieux et perspectives technologiques de l’usage du CO2 en Australie”, pp50-61. Revue Générale du Froid du Conditionnement d’Air. No. 1115, July/August 2011. ISSN 1958-4490 – mensuel.
70 “The Energy and Environmental Benefits of a Two Stage Transcritical CO2 Plant”
AIRAH Refrigeration Engineering Conference: Preparing for a Low Carbon Future, Melbourne 27 July 2011.
71 “The Energy and Environmental Benefits of a Two Stage Transcritical CO2 Plant”.
Presentation invited by and presented at ATMOspere 2011, Brussels, 12 October 2011.
72 “The Energy Efficiency in Washington DC Office Buildings and Hospitals when using Total Energy Ammonia and CO2 Systems for Heating and Cooling”
Paper invited by the International Institute of Ammonia Refrigeration (IIAR), Washington DC. Presented at the IIAR annual meeting in Milwaukee, WI, USA, 18-21 March 2012.
73 “The Energy Efficiency in Office Buildings and Hospitals Using Total Energy NH3 and CO2 Systems Separately and Combined for Heating and Cooling”
4th International Conference of Heating, Ventilating and Air Conditioning, Tehran, Iran, 12-14 June 2012.
74 “The Trials and Tribulations of Creating an HFC/HCFC Free Food Processing Plant by Installing a Two Stage Transcritical CO2 Refrigeration Plant”
4th International Conference of Heating, Ventilating and Air Conditioning, Tehran, Iran, 12-14 June 2012.
75 “A Progress Report on the World’s First Multi-Function Two Stage Transcritical CO2 Refrigeration System”
10th IIR Gustav Lorentzen Natural Refrigerants Conference, Delft, the Netherlands, 25-27 June 2012.
76 “An Evaluation of the Advantages and Disadvantages of Traditional Trigeneration and Combined Cycle Power Plants Applied to District Cooling and Heating Plants”
1st Annual Asia Pacific District Cooling Forum, Kuala Lumpur, Malaysia, 26-28 September 2012.
77 “The Energy Efficiency in Office Buildings and Hospitals Using Total Energy NH3 and CO2 Systems Separately and Combined for Heating and Cooling”
1st Annual Asia Pacific District Cooling Forum, Kuala Lumpur, Malaysia, 26-28 September 2012.
78 “A Multifunctional Two Stage Transcritical CO2 System with Parallel Compression”
ASHRAE 2013 Winter Conference, Dallas, 26-30 January 2013.
79 “Ammonia Refrigeration System Design and Control for Low energy, Condensation Free, High Yield Beef Carcass Chilling”
5th IIR International Conference: Ammonia Refrigeration Technology, Ohrid, Macedonia, 9-11 May 2013.
80 “An Analysis of the Improved Energy Efficiency and Emission Reductions of Sydney Office Buildings and Hospitals with CO2 and Ammonia Refrigeration Systems” and “The Potential Benefits of Combined Cycle Power Generation for the City of Sydney”
“District Heating and Water Production by Heat Pump Steam Condensing and Gas Turbine Inlet and Flue Gas Cooling of a Combined Cycle Power Plant.
Presentation invited by the City of Sydney, 20 August 2013.
81 “District Heating and Water Production by Heat Pump Steam Condensing and Gas Turbine Inlet and Flue Gas Cooling of a Combined Cycle Power Plant”
2nd Annual Asia Pacific District Cooling Forum, Singapore, 26-28 August 2013.
82 “The Fortuitous Replacement of an Air Cooled DX R22 Propylene Glycol Cooling System with a Flooded Ammonia System with an Evaporative Condenser”
ATMOsphere Asia, Technology & Innovation: Natural Refrigerants, Tokyo, 3-5 February 2014.
83 “Is it Time to Form a Global Natural Refrigerants Alliance” including “Australia’s Impending Environmental Policy Regression”
IIAR Industrial Refrigeration Conference and Heavy Equipment Show, Nashville, Tennessee, 23-26 March, 2014.
84 “The Improved Energy Efficiency and Emission Reductions in Melbourne Office Buildings, Hospitals and Supermarkets with CO2 Refrigeration Plants for Cooling and Heating”
CIBSE Carbon Dioxide Seminar, Melbourne, May 2014.
85 “The Application of Evaporative Condensers for Subcritical CO2 Condensing and Transcritical CO2 Gas Cooling”
ATMOsphere America, Business Case: Natural Refrigerants, San Francisco, 18-19 June 2014.
86 “A Desk Top Study on the Application of Evaporative Condensers for Subcritical CO2 Condensing”
3rd IIR International Conference on Sustainability and the Cold Chain, London, 23-25 June 2014.
87 “The Case for Natural Refrigerants Including Some Examples for CO2 in Commercial Buildings, Hospitals and Supermarkets in Melbourne”
CCN Live: Profiting in the Green Age, Sydney, 13 August 2014.
88 “The HFC Phase Down: The Use of CO2 Refrigeration Systems for Cooling and Heating”
3rd Annual Asia Pacific District Cooling Forum, Kuala Lumpur, Malaysia, 26-28 August 2014.
89 “Generating Cooling Energy More Efficiently” and “Transformation to Natural Refrigerants”
Presentation to 1st Chinese Government Delegation, RMIT University, Melbourne, 3 September 2014.
90 “The Case for Natural Refrigerant CO2 in Commercial Buildings, Hospitals and Supermarkets in Melbourne to Drive Significant Reductions in Energy and Cooling Water Consumption and Both Indirect and Direct Emissions”
Presentation to 2nd Chinese Government Delegation, RMIT University, Melbourne, 25 September 2014.
91 “The Global Application of Efficient CO2 Refrigeration Enabled by Evaporative Condensers and Gas Coolers:
IIAR Industrial Refrigeration Conference and Exhibition, San Diego, CA, 22-25 March 2015.
92 “CO2 Evaporative Condensers and Gas Coolers Enable Efficient CO2 Refrigeration Application Worldwide Irrespective of Climate”
6th IIR International Conference: Ammonia and CO2 Refrigeration Technologies, Ohrid, Macedonia, 16-18 April 2015.
93 “A Desktop Study into the Energy Efficiency and Environmental Benefits of CO2 Refrigeration in USA Supermarkets”
ATMOsphere America, Business Case: Natural Refrigerants, Atlanta, 25-26 June 2015.
94 “The Efficient Use of Subcritical CO2 Refrigerating Systems for Cooling with On Demand Heating in Transcritical Mode”
3rd International Symposium on Energy Challenges & Mechanics, Aberdeen, Scotland, 7-9 July 2015.
95 “Building Cooling and Heating with Transcritical CO2 System Reduces Energy and Cooling Water Consumption and CO2e Emissions”
4th IIR International Conference on Sustainability and the Cold Chain, Auckland, New Zealand, 7-9 April 2016.
96 “Improving the Energy Efficiency and Milk Quality with CO2 Refrigeration Systems with Heat Recovery on New Zealand Dairy Farms”
4th IIR International Conference on Sustainability and the Cold Chain, Auckland, New Zealand, 7-9 April 2016.
97 “The Design of CO2 Refrigerating System using Ammonia System Design Principles”
IIAR Natural Refrigeration Conference and Heavy Equipment Expo, San Antonio, CA, 26 Feb-1 March 2017.
98 “Two World-First Projects, Application of Evaporative Condenser/Gas Cooler in Sydney & Kuala Lumpur”
ATMOsphere Australia – Business Case for Natural Refrigerants, Sydney, Australia, 2 May 2017.
99 “Moving the CO2 Equator from the Northern Mediterranean to Malaysia Without Ejectors”
7th IIR International Conference on Ammonia and CO2 Refrigeration Technologies, Ohrid, Macedonia, 11-13 May 2017.
100 “The energy Efficiency in Washington DC Office Buildings and Hospitals when Using Total Energy CO2 Systems for Heating and Cooling”
ATMOsphere America – Business Case for Natural Refrigerants, San Diego, America, 5-7 June 2017.
101 “Doing It Efficiently with CO2 Refrigeration Anywhere in the World”
ASHRAE Annual Conference, Long Beach, USA, 24-28 June 2017.
102 “The Efficient Use of Subcritical CO2 Refrigerating Systems for Cooling with On Demand Heating in Transcritical Mode”
California Air Resources Board of the California Environmental Protection Agency, Sacramento, CA, 28 June 2017.
103 “Doing It with CO2 Refrigeration anywhere in the World. Moving the CO2 Equator to the Geographical Equator”
8th ICCR International Conference on Compressors and Refrigeration, Xi’an, China, 20-22 July 2017.
104 “Applying CO2 Refrigeration to the Cooling and Heating of All Buildings and Industrial Food Processing”
International Symposium on the Natural Working Fluid CO2. Refrigeration and Heat Pump Technology, Tianjin, China, 16-17 September 2017.
105 “Transcritical CO2 Refrigeration Systems for Building Cooling and Heating Reduce Energy and Cooling Water Consumption, Emissions and the Legionella Danger”
8th IRED International Conference on Advances in Applied Science and Environmental Engineering – ASEE, Kuala Lumpar, Malaysia, 3-4 Feb 2018.
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