Browsing by Author "Merchan-Merchan, Wilson"
Now showing items 1-15 of 15
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Analysis and Application of Virtual-Flow Meter Technology for Chiller-Water Valve and Outside-Air Controls
Hashem, Marwan (2022-05)The following work focuses on using virtual flow meters (VFM) for HVAC controls and how they can replace physical sensors to reduce cost and increase efficiency. The study focuses on implementing VFM to measure outdoor ... -
Blowoff characteristics of partially premixed flames of prevaporized blends of biofuels and petroleum fuels
Maleta, Tonci (2017-12-15)The laminar partially premixed flames of prevaporized Jet A, canola methyl ester (CME), palm methyl ester (PME), soy methyl ester (SME), and blend flames of Jet A and CME-PME-SME were studied over a range of equivalence ... -
Combustion Characteristics of Three-component Fuel Blends in a Porous Media Burner at Lean Conditions
Moreno Ovalle, Flavio (2017-05)The increasing energy demand and the growing concern over the environmental impact caused by the combustion of fossil fuels require the development of effective alternative fuel sources. Biodiesels and bio-alcohols are ... -
The design of an experimental set up for the testing and characterization of mechanical face seals
Becerril Corral, Alfredo (2021-07-23)This thesis was centered on the design and manufacture of an experimental set up for the characterization of sintered silicon carbide mechanical face seals utilized in the oil and gas industry. The design process was focused ... -
Effect of Oxygen Content on Soot Formation in a Co-Flow Diffusion Flame Fueled with Canola Methyl Ester and Diesel
Prado Carbonell, Stephanie (2021-05-14)The release of carbon particles (or soot; nanoscale sized carbon spheres) during a combustion process is the sign of hydrocarbon fuel not burning completely. The physical property (nano scaled) and chemical compounds ... -
Fault Detection and Diagnosis of Air Handling Unit in HVAC System Using Cloud-based Data Logging System
Lee, David (2019-05-10)This project encompasses the engineering principles of design and testing of the implementation of a fault detection and diagnosis (FDD) using cloud-based data logging system on Heating, Ventilation, and Air Conditioning ... -
Flame Synthesis of Tungsten/Molybdenum Oxide Nanoscale Heterostructures with Complex Physical Morphologies
Cuello Jimenez, Walmy (2023-05-12)The focus of this dissertation is to investigate the synthesis of crystalline transition metal oxide (TMO) structures in a counter-flow diffusion flame. This thesis examines the underlying mechanisms for the flame synthesis ... -
Gray box dynamic modeling of vapor compression systems for control optimization
Liu, Haopeng (2022-08)Buildings account for 75% of electricity use in the U.S. and more than 24% of building electrical energy is consumed by vapor compression equipment, including air-conditioners, refrigerators/freezers and heat pumps. Dynamic ... -
Homogeneous Vessels as Active Elements for Measuring Pressure
Nash, Michael (2018-05-11)This work investigates an approach to pressure sensor design in which a homogeneous vessel is used as the active element to sense pressure. The goal of this project was to synthesize a standard model for the design and ... -
Hot Surface Ignition Properties of Pre-Vaporized Jet-A and its Blends with Soy Methyl Ester and Canola Methyl Ester in a Constant Volume Chamber
Duong, Bach (2019-05-10)In recent years, biofuels have emerged as an attractive alternative to traditional petroleum fuels due to their renewable and almost carbon-neutral nature. While the fundamental ignition properties of petroleum fuels are ... -
The Impact of Hydrogen Blending on Emissions and Performance of a Natural Aspirated Engine
Nguyen, Tu (2023-05-12)There has been a significant focus on developing alternative fuels and energy sources in order to mitigate the adverse effects of fossil fuel combustion on the environment. Among promising options, hydrogen stands out owing ... -
INVESTIGATING THE SYNTHESIS OF TRANSITION METAL OXIDE NANOSTRUCTURES IN A COUNTER-FLOW FLAME
Farmahini-Farahani, Moien (2014-05-09)In this dissertation, the synthesis and growth mechanisms of various transition metal oxide (TMO) nanostructures inside a counter-flow flame medium were investigated. Transition metal oxide nanostructures with distinctive ... -
Study of Carbon Particulates in Coflow Diffusion Vaporized Biodiesel, Diesel, and Blended Biodiesel/Diesel Air-Flames
Abdihamzehkolaei, Alireza (2019-08-01)Biodiesel, which is a biodegradable and renewable fuel, has been considered one of the best alternative fuels for diesel due to its chemical similarity. Compared to diesel, burning biodiesel will reduce various emissions ... -
Thermal conductivity enhancement of graphene polymer composites through edge functionalization and expansion of graphite
Tarannum, Fatema (2022-08)In this work, we report an ultra-high enhancement of 4030% in thermal conductivity of polyetherimide/graphene nanocomposite (k = 9.5 Wm-1K-1) prepared through the use of expanded graphite (EG) with hydrogen peroxide as an ... -
Uncertainty Analysis for In-situ Fan Curve Calibration in Variable Air Volume Systems
Rivas Prieto, Alejandro (2016-12-16)In order to obtain in-situ fan performance curves for variable air volume (VAV) air handling units (AHUs) with predicted uncertainties, airflow measurements for an extended time and a tailored calibration procedure were ...