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Abstract: Designed protector of pulse-jet cleaning filter bag for refraining from damages caused by airflow. It was shown that air spurt angles and intensity were different from each other from various jets in the simulated map of airflow station. Simulated calculation of airflow station and expecially studied the protector and raising height (L) of venturi. The results indicated that cleaning airflow was the primary airflow about 60%-70% which entered filter bag from outside of intubation by induction; Raising height (L) and inclined angle (α) of nozzle would cause bigger effect on induction airflow and height (H) of nozzle slight effect on induction airflow, the optimal raising height (L) was 40-55mm. [Copyright &y& Elsevier]

The role of men in disasters is rarely discussed in depth and research on this topic is scarce. Yet, masculinity is an important dimension of disasters, whether considering men's active roles in disasters, their position within family relations pre- and post-disasters, or during reconstruction. The research project, Internationalising Institutional and Professional Practices conducted in 12 southern Sri Lankan villages sought to understand men's experiences of supporting their families after the 2004 Indian Ocean Tsunami. It highlighted the importance of patriarchal relations and men's roles as providers throughout the disaster cycle. However, the picture is complicated. While most humanitarian aid is aimed at the generic person, a man, men do not have their needs as men specifically addressed during the receipt of humanitarian aid. Men who receive nothing post-disaster can become desperate, and misuse substances such as alcohol and drugs. This creates situations where men fight each other and abuse women and children within intimate relationships because the tsunami has destroyed their livelihoods and nothing has replaced these. In this article, I examine the complexities men navigate to understand their position when seeking to re-establish their connections to family and community life. I conclude that their specific needs as men require targeted interventions throughout all stages of the disaster cycle, and especially during the delivery of humanitarian aid if they are to fulfil their provider and protector roles and be steered away from behaviour that is abusive of close members of their families: wives, children, and other men. [ABSTRACT FROM AUTHOR]