Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"Liquefied petroleum gas"”.
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Simultaneous boiling and spreading of liquefied petroleum gas on water
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1981.
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Strategic design for imported liquefied petroleum gas distribution systems in East China
… government encourages the usage of natural gas and liquefied petroleum gas. It takes long time and lots of money for China to build up its natural gas grids. However, liquefied petroleum gas has been widely applied to China in recently years. With so many over-invested facilities, the …
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Performances of a Spark Ignition (SI) engine fuelled with Liquefied Petroleum Gas (LPG) using Liquid Sequential Injection (LSI) technique
… One of the seen potential of alternative fuel is Liquefied Petroleum Gas (LPG). LPG has a research octane number higher than gasoline and low carbon to hydrogen ratio content, thus the LPG has the potential to give more power in SI engines and to reduce exhaust emissions. An experimental work was …
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Autoignition and flame speed of premixed liquefied petroleum gas in a rapid compression machine: experimental results and reduced chemical kinetic mechanism
Liquefied petroleum gas (LPG) has many properties that make it an attractive alternative fuel such as lower cost than conventional fuels and an established distribution infrastructure. The development of high efficiency, spark ignited LPG engines is currently limited by engine knock and misfire. …
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Investigation of co1-2xnixmnxceyfe2-yo4 double-substitution spinel for highly efficient detection of flammable and hazardous liquefied petroleum gas: sensing performance
The presence of high concentrations of flammable gases and volatile organic compounds in the atmosphere has recently been reported to be detrimental to human survival. A lot of research effort has been directed towards finding an efficient means of quick detection of these gases below their …
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Application of Concurrent Development Practices to Petrochemical Equipment Design
… of a small-scale device for converting natural gas or liquefied petroleum gas into hydrogen. The small hydrogen generator is intended for serial production for application in the production of industrial hydrogen, fueling stationary fuel cell power systems and refueling hydrogen-fueled fuel cell …
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Thermodynamic Formation Conditions for Propane Hydrates in Equilibrium with Liquid Water
… in processing, storage and transportation of liquefied petroleum gas, as well as modeling hydrate based separation processes involving type II hydrates. Experimental dissociation conditions were measured using the phase boundary dissociation method, which has the advantages of reduced …
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Synthesis and Fabrication of Alpha Phase Iron Oxide (α-Fe2O3) Nanostructured doped with Ruthenium for Highly Sensitive and Selective Flammable and Toxic Gas Sensor
… causes the release of flammable and hazardous gases, which affect human health, into the atmosphere. Many research efforts have been focused on detecting and monitoring these gases using metal oxide semiconductor materials. This study investigates the gas sensing performance of ruthenium-doped …
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Development of a robot localization and environment mapping system
… localization module for use in a robotic liquefied petroleum gas (LPG) tank inspection system. Inspecting large LPG tanks for defects is difficult, expensive and energy intensive. Replacing the human inspectors with a robotic inspection system will make the inspection process faster, less …
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Analysis, design, and control for robots in temperature-restricted environments
… is the interior of a holding tank for Liquefied Petroleum Gas (LPG), which is the focus of the analysis in this work, but not the only possible application. This gas is stored at sub-zero temperatures to maintain its liquidity, and any significant rise in temperature can cause the gas …
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Combustion characteristics of a spark ignition engine operating with liquid lpg injection
… fuels in internal combustion engines. Liquefied petroleum gas (LPG) is one of the most popular alternative fuels for spark ignition (SI) engines that received lots of attention due to its availability and acknowledged superior properties than gasoline. However, detail analysis on latest …
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System model of small-scale gas-to-methanol conversion by engine reformers
… Venting and flaring of associated natural gas represents significant environmental and financial losses yet it continues in the North Dakota Bakken oil play. The valuable gas resource is wasted due to unfavorable economics and limited pipeline capacity. Similarly in India, underdeveloped …
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Familial variation in personal PM2.5 exposure within a rural Rwandan community pre and post clean energy intervention
… uncertain across many high-risk populations. Liquefied petroleum gas (LPG) stoves have been proven to emit far less PM2.5 than traditional biomass burning stoves and significantly reduce personal exposures in randomized control trials. However, there is uncertainty surrounding the difference …
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Formal safety assessment of marine applications
… organisational models. BN test case for a Liquefied Petroleum Gas (LPG) reliquefaction plant has been produced within a cause-effect domain in which Bayes' theorem is the focal mechanism of inference processing. A methodology aiming in finding the probability of failure when having …
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Sources and sinks of selected trace gases in the tropospheric boundary layer of the eastern United States
… of characterizing sources and sinks of trace gases of strong relevance to regional air quality and global climate issues. In the first study, volatile organic compound (VOC) measurements collected at a marine and continental site in northern New England were compared and examined for evidence …
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Investigating the performance and emission characteristics of diesel-LPG engine operation
… modified to run simultaneously with diesel and liquefied petroleum gas (LPG). The aim of this research is to numerically investigate the performance and emission characteristics associated with dual fuel engine operation (wherein LPG and diesel fuels are simultaneously used) with regards to the …
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Comparative study of rare- earth based ferrites for flammable and volatile organic compound gas sensors
… Another commonly used highly flammable gas is liquefied petroleum gas (LPG), commonly known as a cooking gas, which is widely available in almost all communities and working environments to create fires for various uses. This gas causes many fatalities due to its nature of complexities …
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Ozone Precursor Sources and Box Modeling of Ozone in Mexico City Under Altered Emission Conditions
… Unlike previous studies suggesting reduction of liquefied petroleum gas emissions, reductions of traffic emissions prior to 14:00 might be an essential step in lowering in-situ O3 production, as this time is in particular sensitive for VOC induced O3 formation.
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A Social Logic of Energy: A data science approach to understanding and modelling energy transitions of India’s urban poor
… recent government initiatives to promote liquefied petroleum gas, biomass cooking fuel use is still widespread. This is the case even in cities, where low-income households have low levels of sustained clean cooking fuel use. Interventions to promote transition to clean cooking often focus …
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Feasibility analysis of polymer electrolyte fuel cells for residential cogeneration applications in Australia
… considered during the study include natural gas, methanol, ethanol, liquefied petroleum gas (LPG) and diesel. Both the availability and transport aspects for different fuels are surveyed. The coverage domain and the stage of development of the fuel infrastructure vary with its type. The …
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