Results 221 to 230 of about 30,191 (258)

Resistive Load Detection during Passive Ventilation

Clinical Science, 1980
1. By using standard psychophysical techniques resistive load detection was estimated in five normal subjects during spontaneous breathing and during passive ventilation in a Drinker respirator. 2. During assisted ventilation a gross deterioration in resistive load detection occurred. 3.
K J, Killian, C K, Mahutte, E J, Campbell   +2 more
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Passive ventilation device and method

Journal of Power Sources, 1998
A passive ventilation device and method for releasing hydrogen from an enclosure (3) housing a battery (9). The enclosure has an outer shell (11) and an inner insulating layer (13) that includes a gas permeable panel (7). The panel is disposed within the chamber adjacent one of the sidewalls of the enclosure.
openaire   +1 more source

Passive Control of the Wake of a Sphere by Ventilation

1993
The flow field around a bluff body causes a stagnation region in the front which is at a higher pressure and a lower pressure region surrounding the rear. When the two regions are mutually connected or ventilated through an internal duct, an internal flow driven by an effective pressure difference is automatically set up by the external flow ...
Suryanarayana, G.K. (1), Pauer, H., Meier, G.E.A. (1) Experimental Aerodynamics Division National Aeronautical   +2 more
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A passive evaporative cooling system by natural ventilation

Building and Environment, 1996
Abstract Evaporative cooling is used extensively for cooling in climates with medium to low humidity. In residential buildings the conventional mechanical systems tend to be both noisy and unsightly protuberances on buildings, whilst traditional cooling systems incorporated into the building structure which employ chimneys and the like tend to be ...
Zahra Giabaklou, John A. Ballinger
openaire   +1 more source

Passive Ventilation Cooling Strategies on Modern Architecture

Applied Mechanics and Materials, 2013
With the increasing number of compound or deep-plan buildings, application and research on passive ventilation cooling system in construction is developing from single and directed way to multiple and indirect ways ,from not easy to control to easy to control, from simplicity to systematization.
Jing Qiu, Yu Qiu
openaire   +1 more source

Solar chimney—A passive strategy for natural ventilation

Energy and Buildings, 2011
Abstract Passive ventilation systems are being increasingly proposed as an alternate to mechanical ventilation systems because of their potential benefits in terms of operational cost, energy requirement and carbon dioxide emission. Solar chimney is an excellent passive ventilation system which relies on natural driving force, that is, the energy ...
Rakesh Khanal, Chengwang Lei
openaire   +1 more source

A control system for mechanical ventilation of passive and active subjects

Computer Methods and Programs in Biomedicine, 2013
Synchronization of spontaneous breathing with breaths supplied by the ventilator is essential for providing optimal ventilation to patients on mechanical ventilation. Some ventilation techniques such as Adaptive Support Ventilation (ASV), Proportional Assist Ventilation (PAV), and Neurally Adjusted Ventilatory Assist (NAVA) are designed to address this
openaire   +2 more sources

Experimental Study of a Passive System: A Ventilated Wall

2002
Experiments were carried out on a passive thermal system built in Toulouse, France. The study is dealing with ventilated walls. The walls were made up of vertical hollow terra-cotta bricks. One wall was used as a reference. In the case of the second, the first row of cavities was 220cm high and open at its ends.
S. Lorente, M. Bégué
openaire   +1 more source

Passive window ventilation openings for building refurbishment

2016
A thorough building refurbishment generally includes window replacement and thermal insulation of the opaque building envelope. However, quite often only a window replacement is done and the building envelope is left uninsulated. This could lead to mould problems, because of the reduced air change.
Hoffmann, Caroline, Geissler, Achim, Huber, Heinrich   +2 more
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Passive Smoking in a Displacement Ventilated Room

1996
Vol. 1, pp.
Bjørn, Erik, Nielsen, Peter Vilhelm
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