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Articles 73441 - 73470 of 196403

Full-Text Articles in Engineering

Static Enforcement Of Termination-Sensitive Noninterference Using The C++ Template Type System, Scott Douglas Constable Dec 2018

Static Enforcement Of Termination-Sensitive Noninterference Using The C++ Template Type System, Scott Douglas Constable

Dissertations - ALL

A side channel is an observable attribute of program execution other than explicit communication, e.g., power usage, execution time, or page fault patterns. A side-channel attack occurs when a malicious adversary observes program secrets through a side channel. This dissertation introduces Covert C++, a library which uses template metaprogramming to superimpose a security-type system on top of C++’s existing type system. Covert C++ enforces an information-flow policy that prevents secret data from influencing program control flow and memory access patterns, thus obviating side-channel leaks. Formally, Covert C++ can facilitate an extended definition of the classical noninterference property, broadened to also …


Structurally Supported Cell-Laden Scaffolds For Bone Tissue Regeneration, Stephen William Sawyer Dec 2018

Structurally Supported Cell-Laden Scaffolds For Bone Tissue Regeneration, Stephen William Sawyer

Dissertations - ALL

Due to challenges associated with current clinical techniques used to treat bone defects, there has been an increased focus on finding a tissue engineered solution. However, while great progress in this field has been achieved, researchers have yet to suitably combine the proper biological and structural environments needed to serve as a complete bone tissue substitute that is comparable to modern clinical solutions.

To achieve the goal of creating a model bone tissue substitute which could eventually serve as a viable therapy for bone trauma, be it caused by congenital medical conditions, age related diseases or high impact forces, three …


Ecohydrology Of Natural And Restored Wetlands In A Glacial Plain, Kyotaek Hwang Dec 2018

Ecohydrology Of Natural And Restored Wetlands In A Glacial Plain, Kyotaek Hwang

Dissertations - ALL

More than half of wetland area in the U.S. have been converted to other land use types for agricultural use and development. Limited understanding of ecological services provided to society by wetlands is another reason for the massive wetland loss in the past. Section 404 of the Clean Water Act and the 1989 federal mandate of “no net wetland loss” supported increased efforts for wetland restoration and creation to compensate for two centuries of ecosystem degradation. Hydrology is a critical driver for wetland formation and sustainability, yet few studies have investigated the ecosystem benefits of restored or constructed wetlands relative …


Determination Of The Carrying Capability Of The Basis Of The Support Of A Contact Network Of The Railways And Vertical Force, Acting On The Base, K.S. Lesov, A.Kh. Mavlyanov, U.E. Ergashev Dec 2018

Determination Of The Carrying Capability Of The Basis Of The Support Of A Contact Network Of The Railways And Vertical Force, Acting On The Base, K.S. Lesov, A.Kh. Mavlyanov, U.E. Ergashev

Journal of Tashkent Institute of Railway Engineers

The variant workings and calculations are executed on fixing of supports of contact trackage. Structural-technical decisions are Given on building of supports of contact network on earthen linen from sandy soils.


Model Of Search For The Placement Of Warehouses Of Tarnet-And-String Cargo Depending On The Cargo, Avaz Mirsultanovich Merganov Dec 2018

Model Of Search For The Placement Of Warehouses Of Tarnet-And-String Cargo Depending On The Cargo, Avaz Mirsultanovich Merganov

Journal of Tashkent Institute of Railway Engineers

To determine the feasibility of warehouses for packaged goods, it is necessary to understand the main volumes of cargo traffic, as well as to determine the optimal placement of these objects. These questions are developed and solved in this study


The Principles Of Calculation Of Preliminary-Stressed Reinforced Concrete Elements Of A Tripping Structure Under Dispersed Arming, Ch.S. Raupov, E.T. Yahshiyev, A.B. Karimova Dec 2018

The Principles Of Calculation Of Preliminary-Stressed Reinforced Concrete Elements Of A Tripping Structure Under Dispersed Arming, Ch.S. Raupov, E.T. Yahshiyev, A.B. Karimova

Journal of Tashkent Institute of Railway Engineers

It is known that the basic principle of the use of reinforcement in the cross section of building structures is associated with ensuring their strength under the action of bending, tensile loads and impacts and the need to reinforce concrete elements that do not have sufficient structural strength for tension and bending. Depending on the purpose and features of the building structures, there are different types of reinforcement and ways to strengthen the elements.


Model Of Search For The Placement Of Warehouses Of Tarnet-And-String Cargo Depending On The Cargo, Avaz Mirsultanovich Merganov Dec 2018

Model Of Search For The Placement Of Warehouses Of Tarnet-And-String Cargo Depending On The Cargo, Avaz Mirsultanovich Merganov

Journal of Tashkent Institute of Railway Engineers

To determine the feasibility of warehouses for packaged goods, it is necessary to understand the main volumes of cargo traffic, as well as to determine the optimal placement of these objects. These questions are developed and solved in this study


Ways Of Rational Enhancements Of Passage And Transportable Ability On Railways Jsc "Uty", S.K. Xudayberganov, A.A. Svetashev, Sh.Sh. Kayumov Dec 2018

Ways Of Rational Enhancements Of Passage And Transportable Ability On Railways Jsc "Uty", S.K. Xudayberganov, A.A. Svetashev, Sh.Sh. Kayumov

Journal of Tashkent Institute of Railway Engineers

The constant increase in the number of passenger trains has led to the fact that the semi-automatic blocking does not cope with the timely passing trains through the section. This article discusses the carrying capacity of railway section "N-B". The reserve capacity of this section is practically absent, the removal rate of passenger trains increases, which negatively affects the work of the entire railway section. Disposable and required carrying debility is determined. The method of increasing the capacity is chosen for each line depending on the given dimensions of movement, local conditions and technical and economic efficiency of different options.


Transport Logistics Of Transit Potential Of “Uzbekistan Temir Yullari” Jsc, U.N. Ibragimov, O.T. Aliyev, M.M. Tohirov Dec 2018

Transport Logistics Of Transit Potential Of “Uzbekistan Temir Yullari” Jsc, U.N. Ibragimov, O.T. Aliyev, M.M. Tohirov

Journal of Tashkent Institute of Railway Engineers

Uzbekistan occupies an important geostrategic position in Central Asia, through the territory of which the Great Silk Road, where numerous trade routes converged, was in ancient times, and an intensive process of mutual enrichment of the cultures of the peoples of the world was under way. And today, there are crossroads of transport routes leading from the East to the West, from the South to the North. For us, the task of preserving a place in international transport with the purpose of developing the efficiency of transportation must be urgent.


Gait Rehabilitation Using Functional Electrical Stimulation Induces Changes In Ankle Muscle Coordination In Stroke Survivors: A Preliminary Study, Jessica L. Allen, Lena H. Ting, Trisha M. Kesar Dec 2018

Gait Rehabilitation Using Functional Electrical Stimulation Induces Changes In Ankle Muscle Coordination In Stroke Survivors: A Preliminary Study, Jessica L. Allen, Lena H. Ting, Trisha M. Kesar

Faculty & Staff Scholarship

No abstract provided.


Feasible Form Parameter Design Of Complex Ship Hull Form Geometry, Thomas L. Mcculloch Dec 2018

Feasible Form Parameter Design Of Complex Ship Hull Form Geometry, Thomas L. Mcculloch

LSU New Orleans Theses and Dissertations

This thesis introduces a new methodology for robust form parameter design of complex hull form geometry via constraint programming, automatic differentiation, interval arithmetic, and truncated hierarchical B- splines. To date, there has been no clearly stated methodology for assuring consistency of general (equality and inequality) constraints across an entire geometric form parameter ship hull design space. In contrast, the method to be given here can be used to produce guaranteed narrowing of the design space, such that infeasible portions are eliminated. Furthermore, we can guarantee that any set of form parameters generated by our method will be self consistent. It …


Comparison Of Switched Reluctance Motor And Double Stator Switched Reluctance Motor, Nirdesh Neupane Dec 2018

Comparison Of Switched Reluctance Motor And Double Stator Switched Reluctance Motor, Nirdesh Neupane

LSU New Orleans Theses and Dissertations

This thesis is concerned with the design and analysis of Switched Reluctance Motor (SRM) and its improved structure Double Stator Switched Reluctance Motor (DSSRM). Three configurations of SRM viz. Inner Stator, Outer stator and Double Stator are designed and simulated in ANSYS Maxwell Suite. Design parameters are chosen by aiming optimum performance of motor after literature review and analytical study of the motor. SRM is not a line start machine, so power converter circuit is required to excite the motor. Without proper switching of current, desired torque is not obtained in SRM. The converter circuit and switching unit is built …


Performance Optimization Of The Differential Protection Schemes, Monir Hossain Dec 2018

Performance Optimization Of The Differential Protection Schemes, Monir Hossain

LSU New Orleans Theses and Dissertations

Current differential protection principle is superior in terms of sensitivity and speed of operation in comparison with other protection principle used in power systems. From the last five decades, various current differential protection schemes are widely used to protect busbars, transformers, and short-transmission lines. The deployment of high capacity microwave and optical fiber technologies redefined

the line protection systems by facilitating the use of current differential protection schemes for long transmission lines. The common application issue of these schemes is mis-operation due to current transformer (CT) saturation during close-in external faults. Moreover, transformer differential protection schemes face mis-trip due to …


Laboratory Evaluation Of Recycled Crushed Glass Cullet For Use As An Aggregate In Beach Nourishment And Marsh Creation Projects In Southeastern Louisiana, John C. Wildman Dec 2018

Laboratory Evaluation Of Recycled Crushed Glass Cullet For Use As An Aggregate In Beach Nourishment And Marsh Creation Projects In Southeastern Louisiana, John C. Wildman

LSU New Orleans Theses and Dissertations

To combat the rapid degradation of the Louisiana coast, the Louisiana Coastal Protection and Restoration Authority has planned strategic land building initiatives throughout the Louisiana Gulf coast, including beach nourishment and marsh creation projects. It is commonly agreed that the state lacks sufficient renewable sediment resources to maintain the planned CPRA land building program. However, Louisiana, the state that commonly ranks last in state recycling percentage, recycles an estimated 0.6% of the waste glass consumed in the state. Glass is predominantly silica sand. This thesis evaluates laboratory‑determined characteristics of recycled crushed glass cullet to assess its suitability as a renewable …


Development And Thermodynamic Analysis Of An Integrated Mild/Partial Gasification Combined Cycle (Impgc) Under Green And Brown Field Conditions With And Without Carbon Capture, Henry A. Long Iii Dec 2018

Development And Thermodynamic Analysis Of An Integrated Mild/Partial Gasification Combined Cycle (Impgc) Under Green And Brown Field Conditions With And Without Carbon Capture, Henry A. Long Iii

LSU New Orleans Theses and Dissertations

Coal is a very prominent energy source in the world, but it is environmentally unattractive due to its high sulfur and ash content as well as its alleged contribution towards climate change, but it is affordable, abundant, and has high energy content. Thus, utilizing coal in a cleaner and more efficient way has become necessary. One promising clean coal technology involves fully gasifying coal into synthesis gas, cleaning it, and feeding it into a high-efficiency combined cycle, such as an Integrated Gasification Combined Cycle (IGCC). Inspired by the recent success of warn gas cleanup (WGCU), mild and partial gasification are …


Dynamic Response Of A Hingeless Helicopter Rotor Blade At Hovering And Forward Flights, Pratik Sarker Dec 2018

Dynamic Response Of A Hingeless Helicopter Rotor Blade At Hovering And Forward Flights, Pratik Sarker

LSU New Orleans Theses and Dissertations

The helicopter possesses the unrivaled capacity for vertical takeoff and landing which has made the helicopter suitable for numerous tasks such as carrying passengers and equipment, providing air medical services, firefighting, and other military and civil tasks. The nature of the aerodynamic environment surrounding the helicopter gives rise to a significant amount of vibration to its whole body. Among different sources of vibrations, the main rotor blade is the major contributor. The dynamic characteristics of the hingeless rotor consisting of elastic blades are of particular interest because of the strongly coupled equations of motion. The elastic rotor blades are subjected …


Mechanical Engineering News, Georgia Southern University Dec 2018

Mechanical Engineering News, Georgia Southern University

Mechanical Engineering: News & Publications (2013-2023)

  • Georgia Southern Research Focus Prompts R2 Carnegie Designation


Dynamic Response Analysis Of Rutting Resistance Performance Of High Modulus Asphalt Concrete Pavement, Chundi Si, Enli Chen, Zhanping You, Riulan Tian, Ran Zhang, Junfeng Gao Dec 2018

Dynamic Response Analysis Of Rutting Resistance Performance Of High Modulus Asphalt Concrete Pavement, Chundi Si, Enli Chen, Zhanping You, Riulan Tian, Ran Zhang, Junfeng Gao

Department of Civil, Environmental, and Geospatial Engineering Publications

In order to systematically study the rutting resistance performance of High-Modulus Asphalt Concrete (HMAC) pavements, a finite element method model of HMAC pavement was established using ABAQUS software. Based on the viscoelasticity theory of asphalt, the stress and deformation distribution characteristics of HMAC pavement were studied and compared to conventional asphalt pavement under moving loads. Then, the pavement temperature field model was established to study the temperature variation and the thermal stress in HMAC pavement. Finally, under the condition of continuous temperature variation, the creep behavior and permanent deformation of HMAC pavement were investigated. The results showed that under the …


2012 - Historic American Landscapes Survey - Mission San Antonio De Padua Dec 2018

2012 - Historic American Landscapes Survey - Mission San Antonio De Padua

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The intent of this report was to summarize existing written histories of the site and to document the existing conditions of the physical and cultural landscape at the Mission, This report focused on the viewshed and overall physical and cultural landscape of Mission San Antonio de Padua and its surroundings. There are no drawings of the site included in this documentation nor was the precise location and species of each plant type within the study area have not been documented or recorded. The study area encompasses approximately 650 acres.


2006 - Salinas Valley Integrated Regional Water Management Functionally Equivalent Plan Summary Document Update Dec 2018

2006 - Salinas Valley Integrated Regional Water Management Functionally Equivalent Plan Summary Document Update

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The California Department of Water Resources (DWR) and the State Water Resources Control Board (SWRCB) are encouraging local and regional water management planners to establish integrated regional water management plans through the collaboration of planning efforts and project coordination. The intent is to encourage planners to implement projects focused on meeting multiple water resources needs on a regional basis. Jointly, both agencies are soliciting grant applications for Proposition 50 Chapter 8 grant funding, which was established to provide a fiscal tool to support integrated regional water management. In order to take advantage of this funding opportunity, Monterey County Water Resources …


2010 - Excerpt From Master Response 4 - Water Supply Re Salinas Valley Water Supply (10-28-10) Dec 2018

2010 - Excerpt From Master Response 4 - Water Supply Re Salinas Valley Water Supply (10-28-10)

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

In addition to the Master Response to the Monterey County General Plan pertaining to the analysis of the Salinas Valley water supply, tables and figures referenced in the response are included at the end of the response. This document is for informational purposes only to provide a summary of information relative to the Salinas Valley water supply analysis contained in the Final EIR.


Modeling Of Cantú Syndrome In Zebrafish, Soma Sekhara Singareddy Dec 2018

Modeling Of Cantú Syndrome In Zebrafish, Soma Sekhara Singareddy

McKelvey School of Engineering Graduate Student Theses & Dissertations

Although rare, Cantú syndrome (CS) is a debilitating syndrome without any specific therapy, caused by gain-of-function (GOF) mutations in KCNJ8 and ABCC9 genes that encode ATP-sensitive potassium (KATP) channels. To better understand the link between molecular dysfunction and the complex pathophysiology, animal models that can rigorously mirror human CS are essential. Using ABCC9-mutated zebrafish, which can provide significant advantages over mice as an appropriate vertebrate model, GOF has been demonstrated at a cellular level in the ventricular cardiomyocytes. This also marks the first-known characterization of KATP currents in teleost hearts. In addition, sulfonylurea sensitivities of the channels have been …


The Creation, Validation, And Implementation Of The Engineering Process Safety Research Instrument, Brittany Lynn Butler Dec 2018

The Creation, Validation, And Implementation Of The Engineering Process Safety Research Instrument, Brittany Lynn Butler

Theses and Dissertations

The purpose of this study was to develop and validate an instrument that can measure how senior chemical engineering students make process safety decisions. The Engineering Process Safety Research Instrument (EPSRI) contains dilemmas that represent process safety scenarios, followed by three decision options, and 12-15 considerations that fall into pre-conventional, conventional, or post-conventional forms of reasoning. Three studies were completed as a part of this research. The content validation study ensured the dilemmas represented process safety scenarios, the considerations matched their perceived theoretical definitions, and that no content areas were omitted. This study resulted in validation of the content, following …


Flight Time Reduced For Aviation Students, Gillian Panigot Dec 2018

Flight Time Reduced For Aviation Students, Gillian Panigot

Andrews Agenda: Campus News

No abstract provided.


2008 - San Antonio And Nacimiento Rivers Watershed Management Plan Dec 2018

2008 - San Antonio And Nacimiento Rivers Watershed Management Plan

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

The purpose of the San Antonio and Nacimiento Rivers Watersheds Management Plan is to identify the existing conditions of and stresses in these watersheds as they relate to water quality, and recommend methods for reducing or eliminating those stressors such as alternative land use practices. The plan was created to:

􀂃 The reservoirs and their respective watersheds are the source for water recharging the Salinas Valley groundwater basin.

􀂃 There is a direct correlation between the health of these watersheds and the supply and quality of water for the Salinas Valley.

􀂃 The Salinas Valley’s population and economy are dependent …


Operating Different Displays In Military Fast Jets Using Eye Gaze Tracker, Jeevitha Shree Dv, L. R. D. Murthy, Kamalpreet Singh Saluja, Pradipta Biswas Dec 2018

Operating Different Displays In Military Fast Jets Using Eye Gaze Tracker, Jeevitha Shree Dv, L. R. D. Murthy, Kamalpreet Singh Saluja, Pradipta Biswas

Journal of Aviation Technology and Engineering

This paper investigated the use of an eye-gaze-controlled interface in a military aviation environment. We set up a flight simulator and used the gaze-controlled interface in three different configurations of displays (head down, head up, and head mounted) for military fast jets. Our studies found that the gaze-controlled interface statistically significantly increased the speed of interaction for secondary mission control tasks compared to touchscreen- and joystick-based target designation system. Finally, we tested a gaze-controlled system inside an aircraft both on the ground and in different phases of flight with military pilots. Results showed that they could undertake representative pointing and …


Preface: Earth Observation For Integrated Water And Basin Management: Challenges For Adaptation To A Changing Environment, María J. Polo, Maria P. González-Dugo, Christopher M.U. Neale Dec 2018

Preface: Earth Observation For Integrated Water And Basin Management: Challenges For Adaptation To A Changing Environment, María J. Polo, Maria P. González-Dugo, Christopher M.U. Neale

Daugherty Water for Food Global Institute: Faculty Publications

Integrated river basin management involves a sound knowledge of water and land interactions, and impacts from and feedbacks to human activity. Remote sensing has been an efficient and increasingly promising means of gathering direct information of the Earth surface, as well as information on water and energy fluxes. The recent generation of high-resolution sensors offers a huge potential for monitoring, assessing, and modelling our changing environment in a context of uncertainty about how future climate conditions will affect the current water resource and basin management framework. Moreover, large amounts of data are now available posing a challenging opportunity to the …


2016 - Memorandum Of Understanding For Integrated Regional Water Management In The Greater Monterey County Region With Amendments Through December 2016 Dec 2018

2016 - Memorandum Of Understanding For Integrated Regional Water Management In The Greater Monterey County Region With Amendments Through December 2016

Miscellaneous Monterey and San Luis Obispo County Documents and Reports

An Integrated Regional Water Management Plan (IRWM Plan) developed by 18 member entities that include government agencies, nonprofit organizations, educational organizations, water service districts, private water companies, and organizations representing agricultural, environmental, and community interests. The IRWM Plan is an expansion and modification of a previous plan – the May 2006 Salinas Valley Integrated Regional Water Management Functionally Equivalent Plan developed by Monterey County Water Resources Agency. This MOU recognizes the joint commitment of the undersigned parties to develop an IRWM Plan for the Greater Monterey County Region. The MOU does not impose any further commitments or obligations upon any …


Group Facilitation, Terry Bresnick Dec 2018

Group Facilitation, Terry Bresnick

Operations Management Presentations

As a management consultant, over the course of more than 40 years, I have facilitated more than 1500 workshops, seminars, and decision conferences. But when I think back on the times I was a college professor at West Point in the 70s, I often found myself in a position where in addition to teaching, I had to bring together and integrate the needs of very diverse groups of people. Typically, there was time pressure, the stakes were high, and the objectives of the participants conflicted. As an assistant professor, I had no real decision-making authority, but I could help the …


2018 Fall Engr333 Project Final Report (Section A), 2018 Fall Engr333 Section A Dec 2018

2018 Fall Engr333 Project Final Report (Section A), 2018 Fall Engr333 Section A

ENGR 333

Calvin College currently spends 2.35 million dollars on energy every year. Physical Plant is under pressure to reduce the amount of energy that Calvin purchases from the electrical grid since the college is facing many budget constraints. In addition, President Le Roy signed the President’s Carbon Commitment to achieve carbon neutrality by 2057. With this need to save money on energy and reduce the college’s carbon footprint, the objective of this project was to determine the largest possible reduction in Calvin’s annual energy costs given a five-million-dollar investment in renewable energy.