نتایج جستجو برای: gas mixture

تعداد نتایج: 331788  

2012
R. T. EDWARDS D. G. LEAVER

1. We have examined the effects of (a) reducing the density of the inspired gas and of (b) increasing inspired oxygen concentration on the exercise performance of eight men with chronic obstructive bronchitis (COB). 2. Each subject performed two types of exercise test breathing three different gas mixtures: air, 35% oxygen in nitrogen and 21% oxygen in helium. The exercise capacity, ventilation...

Journal: :Journal of the Japan Institute of Metals and Materials 1984

ژورنال: تحقیقات موتور 2019

HCCI operating window has two distinct boundaries of knock at higher load region and misfiring/partial burning at lower load region. Moreover, there is no conventional direct way of controlling combustion timing in an HCCI engine. In this research, experimental study were carried out to investigate the effect of thermal and charge stratification on expansion of the operating range of a natural ...

A new analytical study performed to investigate the effect of the temperature difference between gas and particle in propagation of the spherical flames. The combustible system is containing uniformly distributed volatile fuel particles in an oxidizing gas (Air) mixture. The model includes evaporation of volatile matter of dust particles to known gaseous fuel (methane) and the single-stage reac...

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