A study of alternative refrigerants for the refrigeration and air conditioning sector in Mauritius

Dreepaul, Raj Kumar

doi:10.1088/1755-1315/93/1/012054

Cited by 8 publications

(3 citation statements)

References 13 publications

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“…A similar study in Mauritius by Dreepaul (2017) produced contrasting results to the current one, with stakeholders in the market being more conversant with the issues of HCFC and CFCs refrigerants and the desirability of alternative natural refrigerants, as well as with ozone depletion-related problems. Repair and maintenance companies were more knowledgeable about HCFC than self-employed private mechanics, while technicians, often trained in the field itself, were found wanting in the procedures and precautions for the retrofitting of new refrigerants (Dreepaul 2017). The reasons for the disparity with the current study could be the inadequate training and awareness programmes offered to RAC technicians in the informal sector.…”

Section: Comparison Of the Level Of Hcfc-22 Knowledge Of Sector Stakeholdersmentioning

confidence: 68%

“…In fact, this study suggests that awareness of HCFC-22 phase-out must be high among all stakeholders without exception in order for the HPMP to register success. The particular case of Mauritius amply demonstrates the importance of consumer awareness, with alternative HFC refrigerants such as R134A, R404A, R407C and R410A predominating in that country's RAC sector, and HCFC-22 use steadily on the decline in limited applications like split AC units and large industrial and commercial applications (Dreepaul 2017). In reviewing the progress of Bahrain, India, Iraq, Kuwait, Oman, Pakistan, Qatar, Saudi Arabia, the Islamic Republic of Iran and the United Arab Emirates, the UNEP (2019c) notes that stakeholders' participation in those countries has proven effective in providing them with a sense of ownership of HCFC-22 phase-out projects and in raising awareness among end users and industry players.…”

Section: Level Of Hcfc-22 Phase-out Awarenessmentioning

confidence: 99%

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Awareness and product knowledge of service stakeholders involved in the importation and distribution of HCFC-22 in Botswana

Kudoma

Tekere

2022

Environ. Res. Commun.

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Environmental problems such as global warming, ozone depletion and climate change remain universal subjects of concern, with baneful effects on both the environment and human health. The consumption and venting of ozone depleting substances (ODS) into the atmosphere are the chief anthropogenic cause of ozone depletion. One such manmade ODS with high global warming potential Chlorodifluoromethane (HCFC-22). The MP targeted to phase-out HCFC-22 with obligatory cut-off timelines for its use by 2040 for developing nations. To comply with the HCFC-22 phase-out timelines, meant at embarking on national communications to disseminate information on HCFC-22 phase-out through key stakeholders’ involvement. The achievement of HCFC-22 phase-out strategy depends on participation of key stakeholders in the implementation process. the level of awareness and product knowledge of service stakeholders in the importation and distribution of HCFC-22 in Botswana. customs officers, officers and industrial consumers. Questionnaires and interviews were used to solicit key stakeholders’ views, opinions and perceptions on HCFC-22 phase-out awareness and product knowledge. Results revealed that 87% of the stakeholders are learned and knowledgeable in ODS related service provision. The level of HCFC-22 knowledge and awareness among stakeholders is moderate with distinguished inter-group differences. In particular, industrial consumers had the highest median level of HCFC-22 awareness than other stakeholders, indicating gaps in HCFC-22 phase-out awareness raising and training. About 67% of respondents had low levels of awareness of the HPMP and alternative technologies to HCFC-22. This proposes gaps in information dissemination to key stakeholders and this remains a crucial disparity between the country’s HPMP success lead and lag indicators. There is need to carefully select communication media used in line with the media consumption habits of target markets. Use of popular and commonly accessed social-media platforms would ensure that the HCFC-22 phase-out messages have high chance of reaching targeted stakeholders and the general population.

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Section: Comparison Of the Level Of Hcfc-22 Knowledge Of Sector Stakeholdersmentioning

confidence: 68%

Section: Level Of Hcfc-22 Phase-out Awarenessmentioning

confidence: 99%

Awareness and product knowledge of service stakeholders involved in the importation and distribution of HCFC-22 in Botswana

Kudoma

Tekere

2022

Environ. Res. Commun.

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“…Currently, the refrigeration system with a compression system is more widely used than an absorption refrigeration system because it is considered more practical. But on the other hand, the use of electrical energy for compressor work is relatively higher than the absorption refrigeration system [8,13]. In the absorption system, the increase in pressure and temperature before entering the condenser is to use a heating system, heat exchange that can take advantage of solar heat.…”

Section: Issn: 2088-9038 E-issn: 2549-9645mentioning

confidence: 99%

Optimization of compressor work, power and heat on efficiency refrigerant r290 on split ac

Raharjo

Irawan

Pujianto

2022

sintek. jurnal. ilm. teknik. mesin

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The vapor compression cycle refrigeration machine is the type of refrigeration machine that is most widely used today, generally the medium used as a working fluid that transfers heat from the product being cooled to its environment is a synthetic refrigerant. The working fluid is called refrigerant. Refrigerant is the main working fluid used in air conditioning systems to absorb heat and convert it in the refrigeration system. This then encourages countries in the world including Indonesia to then jointly carry out prevention and improvement by making agreements. Then this agreement was known as the Vienna Convention in 1985 followed by the Montreal agreement in 1987. In order to reduce the impact of ODS (Ozone Depleting Substances), in 1992 Indonesia signed the Montreal protocol. At that time, Indonesia also launched the "Indonesian Country for the phase Out of Ozone Depleting Substances (ODS) under the Montreal Protocol". This study aims to compare the work of compression, heat absorbed, and the electric power used by the split type refrigeration machine between refrigerant R-22 and refrigerant R-290. These results and analysis show that R-290 has a higher value than R-22 in compression performance. R22 power consumption is 0.30 kw and R290 is 0.26. R290 this is influenced by the light work of the compressor so that it will have an impact on electric power consumption. The power consumption of R290 is 42% less than R22. The heat absorbed by R 22 is smaller than that using hydrocarbons. The results of the optimization of compressor work, power and heat variables show an effect on efficiency.

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Hybrid Refrigeration System Hypothesis Using Vapour Compression and Metal Hydride Refrigeration systems—A Review

Singh¹

2022

Lecture Notes in Mechanical Engineering

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A study of alternative refrigerants for the refrigeration and air conditioning sector in Mauritius

Cited by 8 publications

References 13 publications

Awareness and product knowledge of service stakeholders involved in the importation and distribution of HCFC-22 in Botswana

Awareness and product knowledge of service stakeholders involved in the importation and distribution of HCFC-22 in Botswana

Optimization of compressor work, power and heat on efficiency refrigerant r290 on split ac

Hybrid Refrigeration System Hypothesis Using Vapour Compression and Metal Hydride Refrigeration systems—A Review

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