A recent study on a semi - closed nursery in Carquefou , France revealed a crucial factor strike vigour usance : humidity control . While heating plant and ventilation are central factor of climate direction , uncontrolled humidity can ram up energy use and create poor growing experimental condition .
The subject area prove that implementing a dehumidification arrangement could reduce zip consumption , stabilize works outgrowth , and improve overall efficiency .
About the studyThe study aimed to develop and validate a mathematical model predicting vigour function in glasshouse . Conducted over a full tomato cultivation season , the inquiry psychoanalyze heating demand , climate control systems , and the character of humidness in get-up-and-go efficiency .
The greenhouse , a six - bay Venlo - eccentric structure covering 1,037 m² , was equipped with advance climate control systems , including warming pipes , ventilating system openings , and thermal screens .
The link between humidity and vigour useHumidity bet a crucial purpose in greenhouse Energy Department consumption . spare moisture increase latent heating plant grade , making temperature regulation more difficult . In this study , it was notice that evapotranspiration from tomato plants naturally reduce indoor temperatures but maintained gamy humidness floor , forcing raiser to use more ventilation and warming , ventilation system reduced humidity but also pass to significant warmth personnel casualty , increase heating need , and without a dehumidification arrangement , the glasshouse needed 440 kWh / m² to maintain optimal conditions — an increase of nearly 42 % equate to the service line with right thermal control .
The subject area obtain that when relying solely on ventilation for humidness ascendancy , relative humidity remain above 80 % twelvemonth - round . This resulted in inefficient energy usage , forcing growers to use more heating to make up for bemused heat .
Dehumidification : Key to savingsBy incorporating dehumidification instead of excessive ventilation , the greenhouse could maintain ideal humidity levels without unneeded heat loss . The subject area show that with an integrated dehumidification organization , growers could lose weight total energy consumption by up to 24 % ( from 310 kWh / m² to 237 kWh / m² ) and asseverate stable humidity and temperature , optimizing plant growth .
equate mood control strategiesThe study tested different methods of mood command and their impact on energy use of goods and services , with information affirm that ventilation alone is not an efficient solution . By merge dehumidification with proper climate management , greenhouses can accomplish a more energy - effective and productive surroundings .
Why growers should prioritize dehumidificationThe study emphasise the importance of dynamic humidity dominance in greenhouses . Without dehumidification , growers face higher energy price , increase disease risk , and unstable mood precondition . By desegregate a dehumidification scheme , greenhouse operator can reduce energy dissipation from excessive ventilation system , lower heating need by keep a more stable clime , and create healthier conditions for plant life , lead to higher yields and quality .
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