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This article discusses the advancements in chiller technology and their benefits. Chillers have evolved to incorporate environmental enhancements and performance improvements. The article highlights the importance of keeping people cool for health and welfare reasons, as excessive heat can lead to physical injury, worsen psychiatric illnesses, and impact mental health. The economic costs of extreme temperatures are also addressed. The article then explores various advancements in chiller technology, including the use of eco-friendly refrigerants, intuitive cooling controls, smart systems, and free cooling. It also mentions the reduction of noise, the use of oil-free magnetic bearing compressors, and the efficiency of advanced fan motors. The article concludes by discussing a specific case study of a chiller upgrade project at the National Physical Laboratory, which resulted in higher efficiency, increased capacity, and lower noise. [Extracted from the article]

The article focuses on the air-cooled heat rejection systems including aircooled condensers, chillers and dry coolers, that rely on dry bulb temperature than the wet bulb temperatures. It mentions that large heat rejection systems use cooling tower or evaporative coolers to decrease the heat rejection equipment size with overall energy consumption due to lower condensing temperatures.

CASE STUDIES CASE STUDIES www.acr-news.com May 2021 41 T he chemicals industry requires a refrigeration supply that is completely reliable. A German chemicals group has installed five Quantum Power chillers with a refrigeration capacity of 25 megawatts at its site in Singapore, where the chiller now guarantees a reliable supply while simultaneously reducing carbon emissions by 1,650 tons per year. In addition, the customer attaches great importance to the efficiency of the refrigeration system: "Our cooling manager ensures an energy-efficient refrigeration supply, because the chilled water sets form an intelligently connected network at every operating point. [Extracted from the article]

The article reports that the lack of cold storage capacity can effect the business growth. It mentions that rental cooling and chilling equipments help in keeping refrigerated warehouse operating after the failure of equipments . It mentions that cold/chilled stores are critical. It focuses on glycol system with the range of chillers.

The article reports that accurate temperature control is an important tool for manufacturers of food processing and injection moulding. It focuses on the energy intensive nature of industrial processes. It mentions that manufacturers are focused on effective process cooling and the cost in achieving it. It mentions that in the absence of advanced technology, cooling towers have provided important temperature control support to water-cooled chillers.