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Friendly cooling technology works without mechanical compressors or chemical refrigerants, and generates drinking water

Friendly cooling technology works without mechanical compressors or chemical refrigerants, and generates drinking water
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Willis carrierErnest chuaNational university of singaporeDepartment of mechanical engineeringNational universityAssociate professor ernest chuaMechanical engineeringProf chuaAssoc prof

Water-based air-conditioning unit cools air without compressors

Researchers have developed a water-based air-conditioning system that cools air to as low as 18°C without energy-intensive compressors.

Ernest chuaWillis carrierDepartment of mechanical engineeringNational university of singaporeAssociate professor ernest chuaMechanical engineeringNational university

New technology to boost energy efficiency of District Cooling Systems

2021 1014 TES technology 1 The Phase-Change Material thermal energy storage system co-developed by NUS has been installed at Keppel DHCS’ Changi

Singapore generalNational university of singaporeErnest chuaChua yong hweeRalph foongDevelopment divisionEnergy storageEnergy planningPte ltdEnergy at keppel infrastructureEnergy resilience grant callDepartment of mechanical engineeringEnergy market authorityPhase change materialChangi business park district cooling systemsDistrict cooling systems

No need to use air purifiers at home, natural ventilation is key to reducing risk of Covid-19: NEA

SINGAPORE - It is not necessary to use air purifiers at home, and people should instead adopt practices like opening doors or windows as much as possible to maximise natural ventilation to reduce the risk of getting exposed to Covid-19, says the National Environment Agency (NEA). This advice comes as sales of air purifiers went up in recent weeks following concerns that Covid-19 may spread through airborne transmission in some settings. While using the appropriate air purifiers can remove virus aerosols in the air, they cannot act as a substitute for good ventilation, NEA told The Straits Times. They also cannot act as protection for other household members if one already has or is exposed to the virus.

National university of singaporeSingapore generalErnest chuaDavid cheongRyan huiIndoor air quality research unitDepartment of buildingNational environment agencyProfessor ernest chuaNational universityMechanical engineeringProfessor david cheongLim yan huiEnvironmental issuesNational environment agencyதேசிய பல்கலைக்கழகம் ஆஃப் சிங்கப்பூர்

Worried about Covid-19 airborne transmission? Maximise natural ventilation instead of buying air purifier, says NEA

It is not necessary to use air purifiers at home, and people should instead adopt practices such as opening doors or windows as much as possible to maximise natural ventilation to reduce the risk of getting exposed to Covid-19, said the National Environment Agency (NEA). This advice comes as sales of air purifiers went up in recent weeks following concerns.

National university of singaporeSingapore generalErnest chuaDavid cheongRyan huiIndoor air quality research unitDepartment of buildingNational environment agencyProfessor ernest chuaNational universityMechanical engineeringProfessor david cheongLim yan huiதேசிய பல்கலைக்கழகம் ஆஃப் சிங்கப்பூர்சிங்கப்பூர் ஜநரல்அர்நெஸ்ட் சுய

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