BACKGROUND The traditional nasal cannula with bubble humidifier is limited to a maximum flow of 6 L/min to minimize the risk of complications. We conducted a bench study of 2 new Food and Drug Administration-approved nasal cannula/humidifier products designed to deliver at flows> 6 L/min. METHODS Using a digital psychrometer we measured the relative humidity and temperature of delivered gas f...

An optimal combination of the characteristics of an air conditioning system and the control strategy is necessary to minimize costs and the energy demand. Therefore a sequential control for such a system was developed, tested by simulation and implemented in an existing plant. The simulation runs have been done with TRNSYS [1],[2]. For the sake of comparison, an optimized control was calculated...

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. pISSN 1011-8934 eISSN 1598-6357 What Have We Learnt from the Tragic Events Related to Humidi...

In April 2011 a tertiary hospital located in Seoul, Korea reported several cases of severe respiratory distress of unknown origin in young adults. To find the route of transmission, causative agent and patient risk factors of the outbreak, an investigation of the epidemic was initiated. A hospital based case-control study was conducted to indicate that humidifier detergent use was the cause of ...

Kualitas udara ruangan menjadi sangat penting sebagai lingkungan mikro yang berkaitan dengan resiko dari pencemaran udara. Kelembaban merupakan salah satu faktor mempengaruhi kualitas fisik ruangan. terlalu tinggi maupun rendah dapat menyebabkan suburnya pertumbuhan mikroorganisme. ideal berada pada rentang 40% - 60% Rh. Humidifier alat digunakan untuk pelembab bekerja cara menyemprotkan uap ai...