{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/123560"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/123560","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Embodied energetics : a digital design-production system for passive solar walls in Vinalhaven Island, Maine","abstract":"I propose a digital design-production system to easily assemble, selectively disassemble, and reassemble novel passive solar walls. The problem statement I tackle is that all houses in Vinalhaven Island, Maine have high home-heating energy burden due to their thermally weak thin walls. Substituting thin walls with typical passive solar walls is a known solution, however such walls would be inundated with (i) high embodied energy in non-recoverable materials, (ii) high complexity of construction, and (iii) high cost of construction and renovation. Facilitated by a CAD-CAM interface, I develop a methodological framework called Design for Assembly, Disassembly, and Reassembly to lower all three parameters efficiently. I demonstrate both the framework and its outcomes by rapidly prototyping a few study models of passive solar walls. I speculate on the urban implications of a widespread integration of walls with reduced and recoverable material embodied energy. In order to effectively visualize this, the system boundary of urbanism scales up from a wall to a house, to two adjacent houses, and finally to five houses in Vinalhaven's downtown. I claim that successful on-site substitution of today's standard walls with Digital Passive Solar Walls will accelerate Vinalhaven's island homes toward a holistic energy transition. Broadly, I encourage professionals in the building industry to embrace such digital systems to recover material embodied energy locked in their designed artifacts.","abstract_html":"I propose a digital design-production system to easily assemble, selectively disassemble, and reassemble novel passive solar walls. The problem statement I tackle is that all houses in Vinalhaven Island, Maine have high home-heating energy burden due to their thermally weak thin walls. Substituting thin walls with typical passive solar walls is a known solution, however such walls would be inundated with (i) high embodied energy in non-recoverable materials, (ii) high complexity of construction, and (iii) high cost of construction and renovation. Facilitated by a CAD-CAM interface, I develop a methodological framework called Design for Assembly, Disassembly, and Reassembly to lower all three parameters efficiently. I demonstrate both the framework and its outcomes by rapidly prototyping a few study models of passive solar walls. I speculate on the urban implications of a widespread integration of walls with reduced and recoverable material embodied energy. In order to effectively visualize this, the system boundary of urbanism scales up from a wall to a house, to two adjacent houses, and finally to five houses in Vinalhaven's downtown. I claim that successful on-site substitution of today's standard walls with Digital Passive Solar Walls will accelerate Vinalhaven's island homes toward a holistic energy transition. Broadly, I encourage professionals in the building industry to embrace such digital systems to recover material embodied energy locked in their designed artifacts.","abstract_has_math":false,"creators":["Podder, Ankur."],"institution":"Massachusetts Institute of Technology","degree_name":"Master","degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Department of Architecture","school":null,"contributors":[],"advisors":["Lawrence Sass and James Wescoat."],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019","date_published":"2019","updated_at":"2026-07-22T22:21:26Z","subjects":["Architecture."],"languages":["eng"],"rights":["MIT theses are protected by copyright. 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Facilitated by a CAD-CAM interface, I develop a methodological framework called Design for Assembly, Disassembly, and Reassembly to lower all three parameters efficiently. I demonstrate both the framework and its outcomes by rapidly prototyping a few study models of passive solar walls. I speculate on the urban implications of a widespread integration of walls with reduced and recoverable material embodied energy. In order to effectively visualize this, the system boundary of urbanism scales up from a wall to a house, to two adjacent houses, and finally to five houses in Vinalhaven's downtown. I claim that successful on-site substitution of today's standard walls with Digital Passive Solar Walls will accelerate Vinalhaven's island homes toward a holistic energy transition. 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