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April 2019 Vol.49 No.48 |
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| The area and population of Yangtze River Basin account for 25% and 5% of the total of China, featuring high density population, hot summer and cold winter climate and high humidity and poor indoor environment. Developing compatible and high efficient technologies will benefit to improve the people's living level and indoor comfort environment, as a sustainable strategy. As one of the "Thirteenth 'Five-year' Plan", "HVAC solutions and systems for buildings in the Yangtze River Basin" covers "people - envelope - equipment/system" and creative roadmap of "production - learning - research - application". In this issue, there are 8 articles presenting the analysis on indoor thermal environment, building thermal climate subdivision, thermal comfort responses of human body, etc.. |
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• Discussion on built environment design and operation in the Yangtze River Basin • Subdivision of hot summer and cold winter zone for building thermal performance • Characteristics and evaluation of human thermal responses with time under temperature step change condition |
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Journal of HV&AC is the media partner of coming global events: ISHC China & CIHE • Time: May 6th-8th, 2019 • Venue: New International Exhibition Center, Beijing China http://www.ishc-cihe.com/ MCE ASIA 2019 • Time: September 4th-6th, 2019 • Venue: Sands expo & convention centre, Singapore http://www.mcexpocomfort-asia.com/ ISK-SODEX • Time: October 2nd-5th, 2019 • Venue: TUYAP Fair Convention and Congress Center, Istanbul Turkey http://www.sodex.com.tr/ AHR EXPO • Time: Feb.3rd-5th, 2020 • Venue: Orange County Convention Center, Orlando, FL USA http://www.ahrexpo.com/ More …… |
2018 China air conditioning market slowed down to be saturate According the released data, China air conditioning market was saturated in 2018. The growth rate of domestic air conditioning market obviously slowed down. It is showed that in 2018, the total shipment of domestic air conditioners increased 1.6% to 57 030 000 units, and the sales volume and value in some major urban air conditioning market decreased by 10.6% and 7.6%, respectively. Influenced by many factors, the air conditioning market is presenting three trends: deep optimization, intensive competition of brands and significant innovation-driven. Air conditioning scroll compressor down 40% in February In February of 2019, the total production of scroll compressor was 180 500 units, decreased by 38.29% and the shipment decreased by 39.26% to 173 400 units, when comparing last February. The export decreased by 41.65% to 27 400 units. The year-to-data production and shipment were down 29.04% and 28.59% to 509 500 units and 500 500 units, respectively. Low temperature air-source heat pump has bright future in Shandong Mentioned in the "Winter clean heating plan in Shandong (2018-2022) ", the average clean heating ratio will exceed 70% by 2020 and 80% by 2022. According to the features of atmosphere temperature, water source and soil, combined with grid capacity, low temperature air-source heat pump and waste water-source heat pump should be priorities, so as to fully utilize the high quality electric power and low temperature heat, as well as to increase the heating efficiency. |
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