Building Ventilation
Building Ventilation - Related Videos
01:23
Mechanical Ventilation II: Invasive Ventilation
0 Views •
2025
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators. Negative-Pressure Ventilators Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
01:23
Mechanical Ventilation III: Noninvasive Ventilation
0 Views •
2025
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy. Noninvasive Positive-Pressure Ventilation (NIPPV)
05:05
A Structured Approach to Extubation in Mechanically Ventilated Rats
0 Views •
2025
This study proposes a structured extubation approach tailored to rat models of mechanical ventilation (MV). The approach facilitates a smooth transition from MV to spontaneous breathing while minimizing extubation-related complications. Standardization of weaning, airway management, and post-extubation care enhances the reliability and reproducibility of experimental studies.
04:46
A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
0 Views •
2011
We describe a technique to maintain oxygenation and ventilation using an endotracheal tube inserted nasally to the level of the naso-pharynx while sealing the mouth and nares for successful positive pressure ventilation.
05:48
How to Build a Dichoptic Presentation System That Includes an Eye Tracker
0 Views •
Cited by 13 •
2017
We recently proposed a method that allows dichoptic visual stimulus presentation and binocular eye tracking simultaneously1. The key is the combination of an infrared eye tracker and the corresponding infrared-transparent mirrors. This manuscript provides an in depth protocol for initial setup and everyday operation.
FAQs
Natural airflow relies on available indoor-outdoor air movement, whereas mechanical systems actively use fans and connected components to manage air exchange. Mechanical approaches can provide more deliberate control of supply, removal, dilution, and pressure, while both strategies may perform differently as weather and occupancy conditions change. Comparing them helps researchers evaluate air quality and building performance.
Pressure regulation helps control the direction and movement of air within a building. Fans, ducts, and dampers contribute to this control, allowing systems to coordinate outdoor-air supply with pollutant and moisture removal. If pressure is not appropriately managed, the intended airflow pattern may not be maintained, affecting indoor environmental quality and system performance.
Occupancy and weather can change the conditions under which ventilation operates. Occupancy affects the indoor environment being evaluated, while weather can influence natural airflow and the exchange between indoor and outdoor air. Researchers therefore examine ventilation under different combinations of these factors to understand changes in carbon dioxide, particulate matter, contaminants, humidity, and energy use.
Ventilation assessments can examine carbon dioxide levels, particulate matter, contaminants, humidity, and energy use. These measurements provide complementary evidence about indoor environmental quality and building performance rather than relying on a single indicator. Comparing results across occupancy and weather conditions helps identify how effectively a building manages pollutants, moisture, comfort-related conditions, and energy demands.
An evaluation can consider the interaction of fans, ducts, dampers, and filters with outdoor-air supply and pollutant removal. Researchers examine how these components support air movement, dilution, moisture management, and pressure regulation. Reviewing the system as a connected arrangement helps relate measured indoor conditions to the building’s operating performance rather than treating each component in isolation.
Building ventilation is especially relevant when researchers compare indoor air quality, occupant health, comfort, and energy performance under changing conditions. The approach can reveal whether design choices reduce exposure to airborne pollutants while avoiding unnecessary energy use. Environmental studies may therefore use ventilation assessment to examine the tradeoff between healthier indoor conditions and efficient building operation.