Unidade ventiloconvectora
uma unidade de descarga alternativa para aplicação no sistema de indução mostrado na página anterior. Em vez da injeção de ar pelo bocal, um ventilador de baixa potência é usado para dispersar uma mistura de ar primário e secundário após reaquecimento ou resfriamento a partir de um trocador de energia dentro da unidade.
difusor de indução
outra alternativa que também utiliza uma mistura de ar ambiente recirculado com ar primário. Eles estão localizados no final dos dutos e combinam um difusor com uma câmara simples de mistura de ar primário e secundário. O ar primário de alta velocidade se mistura com o ar secundário de baixa velocidade aspirado para um teto plenum vindo da sala abaixo. Grades de extração leves podem ser usadas com alguma vantagem nesta situação.
FREQUENTLY ASKED QUESTIONS
A fan coil unit works in conjunction with an induction diffuser to distribute conditioned air throughout a building. The fan coil unit reheats or cools the air, which is then dispersed by the induction diffuser into the occupied space. The induction diffuser uses the momentum of the primary air to induce a flow of secondary air, creating a high-velocity jet of air that can penetrate deep into the space.
The advantages of using a fan coil unit over a traditional air handling unit include lower capital costs, reduced energy consumption, and increased flexibility in terms of layout and design. Fan coil units are also generally quieter and more compact than traditional air handling units, making them ideal for applications where space is limited.
The design of a fan coil unit has a significant impact on its performance and efficiency. Key design factors include the type and size of the fan, the coil design and configuration, and the layout of the unit. A well-designed fan coil unit can provide high airflow rates at low pressure drops, while also minimizing energy consumption and noise levels.
Fan coil units are commonly used in commercial and residential buildings, including offices, hotels, hospitals, and apartments. They are particularly well-suited for applications where there is a need for individual zone control, such as in hotels and apartments, or where there are specific air quality requirements, such as in hospitals.
Fan coil units compare favorably to other types of air distribution systems, such as VAV (Variable Air Volume) systems, in terms of energy efficiency and cost-effectiveness. While VAV systems can provide more precise control over airflow rates, fan coil units offer a simpler and more cost-effective solution for many applications.
Key considerations for selecting and sizing a fan coil unit include the required airflow rate, the available power supply, and the noise level requirements. It is also important to consider the specific application and the desired level of zone control, as well as any specific air quality or filtration requirements.