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Marsh, Charles P.

Works: 87 works in 118 publications in 1 language and 887 library holdings
Genres: Conference papers and proceedings 
Roles: Author
Classifications: TH223, 621.8
Publication Timeline
Publications about Charles P Marsh
Publications by Charles P Marsh
Most widely held works about Charles P Marsh
Most widely held works by Charles P Marsh
User guide and specifications for electrically isolating non-asbestos gaskets for high-temperature service by Charles P Marsh( Book )
3 editions published in 1999 in English and held by 183 libraries worldwide
Army Regulation 200-1 requires that installations must exclude asbestos from all procurements and uses where asbestos-free substitute materials are available, and minimize asbestos releases to the utmost extent possible. Prior to this ban, asbestos-based gaskets were used extensively and effectively by the Army. The ban has prompted the need for an effective replacement for dielectrically isolating cathodic protection flange gasket materials. Substitute materials are commercially available, but many do not perform adequately. Gasket materials that have been shown to perform adequately while installed in a heat distribution system (HDS) are identified in this report. It is recommended that the gaskets identified in this report be specified for use in new construction and maintenance of existing dielectric unions in HDS piping. It is also recommended that HDS dielectric unions be maintained as indicated in this report. The associated advantages of using this technology are: compliance with AR 200-1, protection of workers from asbestos, and cost savings related to preventable heat loss and premature failure caused by corrosion of HDS piping
Boiling manhole heat-loss calculations by Charles P Marsh( Book )
4 editions published in 1998 in English and held by 183 libraries worldwide
Military facilities that maintain and operate underground heat distribution systems (UHDS) need to make proper, cost-effective decisions concerning maintenance and repair. A poorly maintained manhole can become flooded from rainwater runoff, infiltrating ground water, or other sources. A flooded manhole will experience boiling, producing steam and causing a significant, and avoidable, increase in energy use. This report presents a method to estimate the amount of heat loss from a boiling manhole in a wide variety of situations. A set of correlations is developed to estimate manhole heat loss given a minimum of input parameters. Estimates of the energy cost for several sample calculations of typical manholes are included. Using current Army "Red Book" energy costs, typical flooded manholes can cost the DoD between $50,000 and $125,000 per year if they remain unrepaired
Engineering life-cycle cost comparison study of barrier fencing systems ( Book )
3 editions published in 1999 in English and held by 175 libraries worldwide
The Immigration and Naturalization Service (INS) is responsible for the administration and enforcement of U.S. immigration laws. Enforcement mainly involves apprehending illegal immigrants and assisting with the interdiction of illegal drug smugglers and suspected terrorists. The United States has approximately 6,000 miles of land-based international border. By far the largest problem with illegal immigration occurs along the 2,000 miles of border with Mexico. Along this border, nearly 90 percent of the apprehensions occur along 200 miles distributed near nine major U.S. cities and towns such as San Diego, CA, and El Paso, TX. Current fencing, where it exists, is often in a severe state of disrepair. To cost effectively increase deterrence against illegal entry, the INS is considering the widespread application of several different fencing systems for these high traffic areas. Little to no detailed engineering-based comparisons have been made for these fencing options so no basis currently exists with which to make an informed decision based on reliability, effectiveness of deterrence, economics, and ability to withstand attack. This report discusses analyses of several fencing system options that would provide both effective and minimum life-cycle cost service for primary, secondary, and tertiary barrier needs
Thermal evaluation of piping components used in a commercial underground heat distribution system by Charles P Marsh( Book )
1 edition published in 1996 in English and held by 111 libraries worldwide
Investigation of preapproved underground heat distribution systems by Charles P Marsh( Book )
4 editions published in 1996 in English and held by 90 libraries worldwide
The Department of Defense maintains and operates approximately 6,000 mi of steam and hot water heat distribution system piping, mostly underground. Even a small decrease in heat transmission efficiency could waste large amounts of energy, natural resources, and lead to increased greenhouse gas production. USACERL investigated and evaluated the physical condition and general performance of drainable-dryable heat distribution systems installed since 1981. Inspections covered 35 heat distribution systems at 15 locations. Manhole inspections were performed and air pressure tests were successfully conducted on 5.18 mi of conduits. Many systems were not installed in accordance with criteria. Drains and vents were generally found to be dry; however, water or evidence of water in the manholes was common. Using a stringent standard of no more than a 1.0 psi drop in pressure after 30 min, 59 percent of the steel conduits passed while only 7 percent of the fiberglass reinforced plastic (FRP) conduits passed. With a more lenient standard of no more than a 5.0 psi drop in pressure after 30 min, 73 percent of the steel conduits passed while only 24 percent of the FRP conduits passed. In the more lenient case, normalizing to length, the failure rate of FRP-cased conduits was 4.82 times that of steel conduits
Thermal evaluation of piping components used in a commercial underground heat distribution system by Charles P Marsh( Book )
2 editions published in 1996 in English and held by 9 libraries worldwide
Super Temp-Tite heat distribution piping is the only product of its design type approved by the Federal Agency Committee for Underground Heat Distribution Systems. This system employs a water spread limiting (WSL) design to restrict any leakage to a single segment of piping. WSL systems are intended to withstand continuous carrier medium temperatures of up to 450 deg F. On the basis of approval by the Federal Agency Committee for use at Class B, C, and D sites, the Super Temp-Tite WSL design is currently approved for the same applications by the Army Corps of Engineers. Recently the system manufacturer asked the Federal Agency Committee to approve use of its system at Class A sites - those with the harshest conditions. The U.S. Army Construction Engineering Research Laboratories (USACERL) was tasked to conduct mathematical modeling and simulations to help determine whether Super Temp-Tite meets the technical specifications for Class A applications. It is concluded that the polyurethane foam insulation in this WSL design would be exposed to temperatures well exceeding conservative design values, both in Class A applications and for operating temperatures below 350 deg F. Consequently, the system as now designed is not recommended for approval by the Federal Agency Committee
Freshwater corrosion in the Duluth-Superior Harbor : summary of initial workshop findings, 9 September 2004 ( Book )
2 editions published in 2005 in English and held by 7 libraries worldwide
This report reviews the potential causes of accelerated corrosion of sheet pile and other steel structures in the Duluth-Superior Harbor (DSH) and makes recommendations for addressing the problem. To determine the cause of the accelerated corrosion reported at DSH, the Duluth Seaway Port Authority sought external assistance from experts working within both the public and private sectors. To provide a forum for discussion and technical information exchange, the port authority organized a workshop featuring scientists and engineers with expertise in corrosion processes, materials, and corrosion protection technologies. The authors met in Duluth in September 2004 to examine harbor corrosion and consult with interested parties. The corrosion appears as pock marks primarily in the 4 feet just below the water surface. The corrosion extends down to about 10 feet, but decreases from 4 feet below the surface to 10 feet. The corroding pock marks are covered by an orange-colored coating that tends to cover the corroded pit. Water chemistry, dissolved oxygen content, and dissolved chlorides from de-icing salts seem to be the most likely agents of accelerated corrosion of 12 causes discussed. A lack of data made it unclear whether microbiological factors or functional harbor changes are unduly influencing corrosion in the harbor. The authors recommend immediately quantifying the corrosion rate, conducting a water chemistry analysis, checking for microbiologically influenced corrosion, testing for stray DC currents, and assessing the condition of critical steel structures. They encourage long-term monitoring of corrosion in the Duluth-Superior Harbor and other Great Lakes ports, as well as developing a condition-based strategy for steel replacement and repair
Potable water pipe inspection at Westover Air Reserve Base, Chicopee, MA by Orange S Marshall( Book )
2 editions published in 1999 in English and held by 5 libraries worldwide
An asphaltic sealed, concrete-lined, iron water distribution system was installed at Westover ARB in 1997. Although the city water provided to the system is of good quality, various measures of water quality in the local system indicate that one or more serious problems exist in the Base's water-pipe system. This study conducted a video inspection of the pipe system, analyzed the inspection videotapes, and estimated the percentage of coating losses and cleanliness inside the various sections of water main pipe. The study concluded that the water quality problems were likely due to poor materials and workmanship during system installation, and recommended specific changes in chemical water treatment
Robotic Underwater Corrosion Inspection/Assessment of Sheet Pile Along Two Rivers at Cleveland, Ohio by Charles P Marsh( Book )
5 editions published in 1999 in English and held by 5 libraries worldwide
The objectives of this study were to (1) perform a quantitative underwater corrosion inspection and assessment of sheet pile along the Cuyahoga River at Cleveland and (2) use the measured material thicknesses and corrosion rates to predict a probable future range of sheet pile thickness. The work was conducted in response to The Water Resources Development Act of 1996, Section 438, which directs the Army to project the cost of repairing and/or replacing all sheet pile along the Cuyahoga River. This Phase 2 work was a follow-on condition assessment, conducted by the U.S. Army Construction Engineering Research Laboratory (CERL), using a remotely controlled submersible robotic inspection system in conjunction with conventional hand-held acoustic thickness probes. Data were collected from 12 sites over a period of 1 week. Based on the data sample collected during the limited time frame of the study, a bounded, steady-state projection of future sheet pile condition was made for each site. Because corrosion rates correlate directly to the degree of zebra mussel infestation, these condition projections may be too conservative if zebra mussel infestation proceeds significantly faster than assumed in this study
Development of a joint tightness parameter for sheet pile structures : a geometry-based method for comparative estimation of leakage through different sheet pile interlock configurations by Charles P Marsh( Book )
3 editions published in 2002 in English and held by 4 libraries worldwide
The amount of leakage through sheet pile interlock joints is of interest to the U.S. Army Corps of Engineers (USACE) for a number of applications. For engineering purposes it would be useful to have a defensible method for quickly developing estimates of relative leakage among the various sheet pile options being considered. During the course of a USACE project involving sheet pile construction, a simple, geometry-derived method was developed for estimating the relative leak-tightness of two or more specific sheet pile interlock designs. Although the technique was created to help provide an objective basis for comparing several project-specific alternatives, it was recognized that the technique could have a wider utility in properly selected applications - especially those where a fast judgement is required and conducting physical leakage tests is not feasible. The key factors affecting leakage - interlock channel length and width - are accounted for in the method. The technique falls within the capabilities of any Army Engineer District, requiring only some simple measurements from interlock specimens and the application of some basic algebra. This report documents the logic, calculations, and assumptions underlying the method, and includes a step-by-step sample application
Innovative coating system for corrosion prevention and temperature reduction in heat distribution manholes ( Book )
3 editions published in 2009 in English and held by 3 libraries worldwide
Heat distribution system (HDS) pipes and appurtenances are subject to significantly reduced service life when they are located inside manholes with severely corrosive environments. This report documents the demonstration of an innovative coating system for HDS components intended to protect pipes directly, by preventing the corrosion of steel, and indirectly, by reducing heat-related corrosive conditions within manholes. The demonstration was performed at Redstone Arsenal, AL. Field performance of the coating system components was mixed. The primer was straightforward to apply and showed no signs of degradation during the performance period. The topcoat essentially failed shortly after application by turning to powder. The topcoat failure mechanism appears to have been destruction of its acrylic binder by excessive heat, and the result was replicated in the laboratory through an extension of the initial oven tests. At this time it appears that topcoat material did not perform in accordance with the manufacturer's published product data. Because the primer material remains intact and is expected to offer corrosion protection in line with the product data, it represents a significant technology application for corrosion prevention and control. The report includes a return- on-investment calculation based on extension of HDS component service life. Lessons learned are documented
Control of water migration through concrete using electro-osmosis by V. F Hock( Book )
2 editions published in 2005 in English and held by 2 libraries worldwide
Strategic plan outline for the Army Utilities Modernization Program : fiscal years 2008-2013 by William T Brown( Book )
2 editions published in 2006 in English and held by 2 libraries worldwide
Utilities privatization is considered the preferred method for modernizing and recapitalizing utility systems in the Army. From Fiscal Year (FY) 1998 to FY 2002, the Army implemented a Utilities Modernization Program that focused on upgrading thermal utilities (i.e., central heating and air-conditioning/ refrigeration plants and the respective distribution systems) to the most life-cycle cost-effective technology. The current Utilities Modernization Program from FY08-13 will focus not only on central heating and air-conditioning/ refrigeration systems, but also on electric, natural gas, potable water, and wastewater systems. This program is supported by initiatives/actions under the Army Energy and Water Campaign Plan for Installations. This report outlines a candidate program management strategy for the Utilities Modernization Program and outlines best practices for performing life-cycle cost analyses for central energy plants and each type of utility system either exempt from utilities privatization or pending exemption from privatization
Silicon carbide fiber-reinforced glass "Super Ceramic" composite preliminary design and predicted properties by Charles R Welch( Book )
1 edition published in 2013 in English and held by 2 libraries worldwide
Condition prediction model and component interaction fault tree for heat distribution systems by Charles P Marsh( file )
1 edition published in 2001 in English and held by 2 libraries worldwide
Lipari landfill piping network corrosion condition assessment and service life prediction analysis ( Book )
2 editions published in 2008 in English and held by 2 libraries worldwide
The Lipari Landfill, located in Mullica Hill, NJ, accepted hazardous chemical waste for most of its service life, until operations were discontinued in 1971 by the New Jersey Department of Environmental Protection. After being designated as a federal Superfund site in 1982, a containment structure was built starting in 1983. Further remediation continued into the 1990s, including the construction of injection and extraction wells to eliminate chemical residues in the contained ground water. The water circulated through the piping network of the injection/ extraction well system has been determined to be corrosive, which could lead to a premature failure of the pipe. The objective of this study was to analyze the current condition of the piping network and changes that have occurred over time, to determine the corrosion rate, and to estimate the remaining service life of the pipes. Owing to the limited amount of pipe material-loss data available, various analytical methods were used to interpret those data and develop a supportable engineering judgment. The report describes these analyses and presents the data obtained
Thermal performance of microencapsulated phase change material slurry by Charles P Marsh( Book )
3 editions published in 2008 in English and held by 2 libraries worldwide
The efficiency of a pumped heat-transfer system can be greatly increased by incorporating a phase-change material (PCM). Because PCMs have greater thermal capacity than the carrier fluid, owing to their latent heat of phase change, they can increase the amount of heat transfer at equivalent volumetric flow in a heat exchanging environment. These materials tend to clog heat-transfer and distribution pipes, but previous research has indicated that the problem may be solved by encapsulating the PCMs. This report documents an investigation of the thermophysical properties of PCMs enclosed in micro-scale capsules. The study also addressed microcapsule durability against abrasion and chemicals, and the relation of fluid temperature and particle volume fraction on viscosity. The results of this research show that the total heat capacity of microencapsulated PCM (MPCM) slurries is enhanced significantly, even when using low volume fractions. MPCM slurries have potential to decrease costs and improve energy efficiency for all pumped cooling applications
Design and construction review of a fire-flow system at Doha, Qatar ( Book )
1 edition published in 2000 in English and held by 2 libraries worldwide
Fury : robotic in-situ inspection/condition assessment system for underground storage tanks ( Book )
2 editions published in 2004 in English and held by 2 libraries worldwide
The Code of Federal Regulations (40 CFR 280-281) required all underground storage tanks (USTs) containing petroleum products to be brought into compliance to prevent environmental contamination through leakage. Replacing all older USTs can, in some cases, be prohibitively expensive. One alternative to requiring that tanks pass a precision tightness test is to retrofit USTs with cathodic protection for continued use. This report introduced a remote, robotic UST condition inspection/assessment system named Fury, developed to meet the need for more cost-effective and reliable tank condition assessment methods. Fury is a robotic crawler that moves inside a UST by means of magnetic wheels. It includes 90-degree transition arms for robot positioning on tank end caps and has a central pivot to allow for full motion of the steering head. The robot is designed to fit through an existing small-diameter pipe, which mitigates invasive tank entry during assessment and allows for non-destructive evaluation. Control of the Fury is accomplished through a tether attached to the rear of the robot. Fury uses ultrasonic transducers on a sensor sled to obtain approximately 90,000 wall thickness measurements per hour at over 95% of cylindrical-wall or end-cap locations. (5 tables, 12 figures, 13 refs.)
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