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Article
Publication date: 24 October 2019

Reza Alayi, Alibakhsh Kasaeian, Atabak Najafi and Eskandar Jamali

The important factors, which should be considered in the design of a hybrid system of photovoltaic and wind energy are discussed in this study. The current load demand for…

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Abstract

Purpose

The important factors, which should be considered in the design of a hybrid system of photovoltaic and wind energy are discussed in this study. The current load demand for electricity, as well as the load profile of solar radiation and wind power of the specified region chosen in Iran, is the basis of design and optimization in this study. Hybrid optimization model for electric renewable (HOMER) software was used to simulate and optimize hybrid energy system technically and economically.

Design/methodology/approach

HOMER software was used to simulate and optimize hybrid energy system technically and economically.

Findings

The maximum radiation intensity for the study area is 7.95 kwh/m2/day for July and the maximum wind speed for the study area is 11.02 m/s for January.

Originality/value

This research is the result of the original studies.

Details

International Journal of Energy Sector Management, vol. 14 no. 2
Type: Research Article
ISSN: 1750-6220

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Article
Publication date: 20 July 2010

Fardin Yousefshahi, Mohammad Reza Khajavi, Mohammad Anbarafshan, Patricia Khashayar and Atabak Najafi

The aim of this study is to compare the effects of Sanosil and glutaraldehyde 2 percent in disinfecting ventilator connecting tubes in an intensive care unit (ICU) environment.

381

Abstract

Purpose

The aim of this study is to compare the effects of Sanosil and glutaraldehyde 2 percent in disinfecting ventilator connecting tubes in an intensive care unit (ICU) environment.

Design/methodology/approach

The 12‐week open‐labelled clinical trial was conducted in the surgical ICU of a teaching hospital from March to May 2005. In the first phase of the study, high level disinfection was performed using glutaraldehyde 2 percent, whereas Sanosil was used as the disinfectant agent of the second phase. Samples for microbial culture were obtained from the Y piece, the expiratory limb proximal to the ventilator and the humidifier in different stages; the results were then compared.

Findings

Positive culture was more frequently reported in Y pieces, humidifiers and expiratory end of ventilators. Comparing the two groups, there were more positive cultures in the glutaraldehyde group (p value=0.005); multiple organism growths, gram negative, gram positive and fungi were also more frequent in this group (p value=0.01; 0. 007; 0. 062; 0.144, respectively).

Originality/value

The paper shows that Sanosil is an effective agent in reducing the contamination risk in the tubes used in ICUs.

Details

International Journal of Health Care Quality Assurance, vol. 23 no. 6
Type: Research Article
ISSN: 0952-6862

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