Advanced Ventilation Systems−Theory, Practice, Limitations and Solutions

Volume 1 - Issue 1

SBin Yang^1,2*, Zhang Lin³ and Angui Li¹

Received: January 25, 2018;   Published: January 29, 2018

DOI: 10.32474/TCEIA.2018.01.000103

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Abstract

The task of HVAC systems is to offset indoor thermal load and/ or ventilation load. Indoor thermal load can be offset by either convective-dominant way or radiant-dominant way. In convective dominant way, system recirculated air (RA) is thermally conditioned in term of temperature and humidity. Indoor ventilation load has to be offset by convective dominant way, in which outdoor air is filtered, thermally conditioned and thus it becomes fresh air (FA) to dilute indoor pollutants such as CO₂. FA can be supplied in different ways separately or compositely with RA, which is the main focus of this paper.

Abbrevations: RA: Recirculated Air; FA: Fresh Air; MV: Mixing Ventilation; DV: Displacement Ventilation; UFAD: Under Floor Air Distribution; ACV: Air Curtain Ventilation; TAC: Task Ambient Conditioning; PV: Personalized Ventilation; SV: Stratum Ventilation; IAJS: Intermittent Air Jet Strategy

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