نتایج جستجو برای: diesel exhaust

تعداد نتایج: 24365  

2013
Bhupendra Singh Chauhan

Increased energy demand and the concern about environment friendly technology, renewable bio-fuels are better alternative to petroleum products. In the present study linseed oil was used as alternative source for diesel engine fuel and the results were compared with baseline data of neat diesel. Performance parameters such as brake thermal efficiency (BTE) and brake specific fuel consumption (B...

2008
S. Janisko J. Noll

Studies have linked long-term inhalation of diesel exhaust with adverse health effects such as cardiovascular disease, cardiopulmonary disease, and lung cancer. Diesel exhaust levels in underground mines can approach 100 times the environmental level and are therefore monitored closely in the mining industry. Elemental carbon (EC) (a product of diesel combustion commonly referred to as “soot”) ...

Journal: :تحقیقات موتور 0
محسن قاضی خانی m. ghazikhani محمد شریف زاده m. sharifzadeh امیر ارژنگ نیا a. arjangnia ابوالفضل شریف زاده a. sharifzadeh

in this study a heat exchanger is designed for cooling exhaust gas and an experiment is carried out to investigate the effect of exhaust gas recirculation (egr) temperature on destruction of the fuel’s availability due to combustion processes in idi diesel engine cylinder. to serve this aim an exergy analysis is conducted on the engine cylinder which provides all the availability terms by which...

Journal: :Thorax 2011
Annelie F Behndig Nirina Larsson Joanna L Brown Nikolai Stenfors Ragnberth Helleday Sean T Duggan Rosamund E Dove Susan J Wilson Thomas Sandstrom Frank J Kelly Ian S Mudway Anders Blomberg

BACKGROUND Exposure to traffic-derived air pollutants, particularly diesel emissions, has been associated with adverse health effects, predominantly in individuals with pre-existing respiratory disease. Here the hypothesis that this heightened sensitivity reflects an augmentation of the transient inflammatory response previously reported in healthy adults exposed to diesel exhaust is examined. ...

Journal: :Circulation 2005
Robert D Brook Marie S O'Neill Sanjay Rajagopalan

BACKGROUND Although the mechanisms are unknown, it has been suggested that transient exposure to traffic-derived air pollution may be a trigger for acute myocardial infarction. The study aim was to investigate the effects of diesel exhaust inhalation on vascular and endothelial function in humans. METHODS AND RESULTS In a double-blind, randomized, cross-over study, 30 healthy men were exposed...

Journal: :CA: A Cancer Journal for Clinicians 2001

2014
K V L Bharathi Dipankar Dwivedi Avinash Kumar Agarwal Mukesh Sharma

This study was set out to characterize particulate emissions from transportation diesel engine in terms of heavy metals. The exhaust particulates from Mahindra DI engine were collected and analyzed at four different engine operating conditions namely idling, 40%, 70% and full load. It was found that as the load increases from idling to full load, the heavy metal content in particulates graduall...

2004
Fangqun Yu Thomas Lanni Brian P. Frank

The nanoparticles formed in motor vehicle exhaust have received increasing attention due to their potential adverse health effects. It has been recently proposed that combustion-generated ions may play a critical role in the formation of these volatile nanoparticles. In this paper, we design an experiment to measure the total ion concentration in motor vehicle engine exhaust, and report some pr...

2011
Ansuman Mishra

This paper reports improved performance of discharge plasma in filtered engine exhaust treatment. Our paper deals about the removal of NOX emissions from the diesel exhaust by electric discharge plasma. For the treatment of diesel exhaust a new type of reactor referred to as cross-flow dielectric barrier discharge reactor has been used, where the gas flow is perpendicular to the corona electrod...

2007

• Diesel exhaust contains ozone precursors, benzene, arsenic, dioxins, formaldehyde and other toxic substances and is a significant contributor to airborne concentrations of fine particulate matter (PM). Significant health impacts including lung damage and premature death are associated with exposure to fine particulate matter. It can also aggravate conditions such as asthma and bronchitis. Die...

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