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Co-simulating a greenhouse in a building to quantify co-benefits of different coupled configurations
Journal of Building Performance Simulation ( IF 2.2 ) Pub Date : 2021-04-17 , DOI: 10.1080/19401493.2021.1908426
Melanie Jans-Singh 1 , Rebecca Ward 1, 2 , Ruchi Choudhary 1, 2
Affiliation  

ABSTRACT

Recent findings suggest that rooftop greenhouses could be more efficient when combined with waste streams in buildings, but there is a gap in quantification of the combined performance of building integrated greenhouses. This paper addresses this deficit for school buildings in London, UK, where urban agriculture is of increasing interest. A building energy simulation (BES) of an archetype school building is developed in EnergyPlus and co-simulated with a validated greenhouse energy simulator (GES). The performance of different greenhouse-building coupling configurations is evaluated to estimate the potential for crop growth, heat recovery and reduction in ventilation demand, through a sensitivity analysis and parametric study. Our results show that a 250 m2 greenhouse on the top floor of the school could produce 6t lettuce with half the energy demand of the same standalone greenhouse. Trade-offs across increase in humidity, yields, and energy efficiency indicate the importance of modelling to ensure optimal designs.

更新日期:2021-04-18
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