LCCP meaning in Academic & Science ?

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What is Life Cycle Climate Performance mean?

Life Cycle Climate Performance (LCCP) is an evolving method to evaluate the carbon footprint and global warming impact of heating, ventilation, air conditioning (AC), refrigeration systems, and potentially other applications such as thermal insulating foam. It is calculated as the sum of direct, indirect, and embodied greenhouse gas (GHG) emissions generated over the lifetime of the system “from cradle to grave,” i.e. from manufacture to disposal. Direct emissions include all climate forcing effects from the release of refrigerants into the atmosphere, including annual leakage and losses during service and disposal of the unit. Indirect emissions include the climate forcing effects of GHG emissions from the electricity powering the equipment. The embodied emissions include the climate forcing effects of the manufacturing processes, transport, and installation for the refrigerant, materials, and equipment, and for recycle or other disposal of the product at end of its useful life.

LCCP is more inclusive than previous metrics such as Total Equivalent Warming Impact (TEWI), which considers direct and indirect GHG emissions but overlooks embodied emissions, and Life Cycle Warming Impact (LCWI), which considers direct, indirect and refrigerant manufacturing emissions but overlooks appliance manufacturing, materials, transport installation and recycle. Enhanced and Localized Life Cycle Climate Performance (EL-LCCP) is the latest and most comprehensive carbon metric and takes into account: 1) real-world operating conditions, including the actual hour-by-hour carbon intensity of electricity generation, transmission, and distribution, which is degraded by high ambient temperature; 2) specific conditions of AC condensers located within urban heat islands and in locations with poor air circulation (mounted to close to buildings, clustered and stacked), as well of refrigerators and refrigerated display cases located against walls, inside cabinets, and other locations that compromise energy efficiency; 3) local climate conditions, such as higher ambient temperature at the location of the equipment than at the weather monitoring stations, which typically are located away from human influence.

TEWI was developed by experts at Oak Ridge National Laboratory under contract from Allied Signal (now Honeywell) and was a step forward as a complement and enhancement of previous metrics like coefficient of performance (COP) and Seasonal Energy Efficiency Ratio (SEER), which consider energy use but not global warming potential (GWP) and emissions of refrigerants.

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Posted on 29 Nov 2024, this text provides information on Miscellaneous in Academic & Science related to Academic & Science. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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Miscellaneous in Academic & Science
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