Citations with the tag: SERVICE life (Engineering)
Results 51 - 100
- The Final Check.
Johnson, Steve // Plastics Technology; Mar2008, Vol. 54 Issue 3, p53
The article focuses on the fundamentals of repetitive maintenance which often get overlooked. The article advocates using signs for final-check procedures posted where it cannot be missed that should be made of hard plastic, not the common foam board or poster board which is easily damaged. This...
- LISTEN TO THE VOICES OF EXPERIENCE.
Johnson, Steve // PS: Preventive Maintenance Monthly; Dec2003, Issue 613, p22
Provides tips on how to properly operate the MLRS units. Need to look for cab hold-fown bolts before using the vehicle; Way of preventing hand microphones from tangling each other up; Securing equipment inside the vehicle with the use of several tiedown straps.
- EXPERT ADVICE FROM THE EXPERTS.
Johnson, Steve // PS: Preventive Maintenance Monthly; Dec2003, Issue 613, p50
Provides suggestions for decontaminating potential problems for the M12A1 decons. Need to have extra hoses; Avoid having to put hoses together without assistance; Need to put plumber's tape on the hose connections for the upper and lower hose reels; Need to check that the dust covers for the...
- The Secrets for Deconning Success.
Johnson, Steve // PS: Preventive Maintenance Monthly; Dec2003, Issue 613, p52
Presents deconning tips that could get the most out of M17 Decons. Need to take apart the igniter tube every six months and clean out all the carbon with a wire brush; Engine spark plug gap measurement; Need to take off the air filter if you have trouble starting the M17; Need to tie off the...
- How's the condition of your monitoring?
Baker, Paddy // Works Management; Sep97, Vol. 50 Issue 9, p20
The article explains the purpose of condition monitoring and discusses its pros and cons. Condition monitoring is when engineers use a battery of techniques to determine the health of machinery instead of waiting for them to break down. The author discusses the pitfalls of the technique, its...
- Bearing, aluminum improve pump's power density.
Baker, Paddy // Hydraulics & Pneumatics; Sep2005, Vol. 58 Issue 9, p14
The article discusses the use of aluminum to improve pump's power density. To squeeze a little more power density into its KVA-7VO series of variable-displacement axial-piston pumps, Bosch Rexroth, Hoffman Estates, Illinois, constructs pump housings with aluminum alloy. The pump also features an...
- CALIFORNIA USING RAPID-SETTING CONCRETE IN HIGHWAY REHABILITATION.
Baker, Paddy // Concrete International; Mar2004, Vol. 26 Issue 3, p134
Reports that the California Department of Transportation's freeway pavement rehabilitation program has reached another milestone in replacing broken concrete pavement sections by night with a rapid-setting concrete. Maker of the rapid-setting concrete; Removal of broken concrete; Installation...
- Tata Motors launches 'Prolife' engine recon initiative.
Baker, Paddy // Commercial Vehicle; Jul2013, Vol. 7 Issue 10, p24
The article reports on the launch of the Prolife service programme by Tata Motors Ltd. on June 5, 2013, the World Environment Day, to recondition automobile engines.
- Modeling the deformation of RBMK graphite columns surrounding a damaged cell with a ruptured channel pipe taking aging into account.
Tkachev, V.; Mikhailov, D.; Zheltukhin, K.; Afanasiev, A.; Tkacheva, N. // Atomic Energy; Feb2011, Vol. 109 Issue 4, p252
The results of modeling of the deformation of RBMK graphite columns surrounding a damaged cell with a rupture channel tube and analysis of the possibility of multiple rupture of the tubes in such columns as a result of the action of the steam-water mixture flowing out of the rupture are...
- As Navy Defines Open Architecture, Managing The Process Is Important, SECNAV Says.
Fein, Geoff // Defense Daily; 11/6/2006, p5
This article stresses the need for the U.S. Navy to examine how best to manage the disconnect that exists between the service life of platforms and technology incorporated into them. The advise came from U.S. Navy Secretary Donald Winter. One way is to take advantage of new technologies as they...
- Choose the right pump and slash your costs.
Moszkal, Frank // Heating & Ventilating Review; Aug2012, p20
The article reports on the need for users to consider the operating efficiency and energy consumption of pump systems in the face of rising energy prices in 2012. A pump that is matched to the application will reportedly save energy because its performance will fit the need, but failure to check...
- Accelerated UV Weathering of Polymeric Systems: Recent Innovations and New Perspectives.
Chin, Joannie W.; Tinh Nguyen; Xiaohong Gu; Byrd, Eric; Martin, Jonathan // JCT CoatingsTech; Feb2006, Vol. 3 Issue 2, p20
Polymeric materials used in an outdoor environment are subjected to a wide variety of environmental factors, including solar ultraviolet (UV) radiation, temperature, and moisture, in a process known as weathering. Understanding the factors that govern the weathering performance of commercial...
- Antimicrobial Tile: An Overview.
Rangineni, Jyothi; Astrachan, Eric // Tile Magazine; Jul2011, Vol. 8 Issue 4, p56
The article presents questions and answers related to antimicrobial tiles including the definition of antimicrobial, the antimicrobial mechanism of tiles and tile coatings, and their efficiency and durability.
- An Agent-based Model to Study the Evolution of Service Systems through the Service Life Cycle.
Chathura Rajapakse; Takao Terano // International Journal of Energy, Information & Communications; Oct2013, Vol. 4 Issue 5, p45
We introduce a unified concept of service life cycle (SLC) for the study of service system evolution. The need for this research arises from the fact that studying service ecosystems has become a critical need in the modern service economy. Adopting the view that a service ecosystem is a complex...
- Rate Process Method Applied To Service Life Forecast Of PE Molded Fittings.
Palermo, Gene; Chung, Sarah // Pipeline & Gas Journal; Dec2009, Vol. 236 Issue 12, p42
The article explores several applications for the Rate Process Method (RPM) of older-generation polyethylene (PE) pipes. It discusses an application in which RPM was used to identify the service life forecast of a molded PE heat fusion fitting. Furthermore , it also notes the validation of the...
- Methods for analysis of the remaining service life of pipelines and pressure vessels operating at low climatic temperatures.
Bolshakov, A. // Chemical & Petroleum Engineering; Nov2011, Vol. 47 Issue 11/12, p766
A method of evaluating remaining service life for structures after a certain period of service is proposed on the basis of investigations of plasticity loss.
- Accelerated life tests yield failure data fast.
Federio, Joseph G. // Test & Measurement World; May2004, Vol. 24 Issue 4, p19
Provides tips on assessing the operating life of the electronic circuits. Details on the exponential function of a stress voltage; Need of learning more about the degradation models; Causes of power failure.
- DK6: France's first large independent CCGT plant.
Federio, Joseph G. // Modern Power Systems; Apr2003, Vol. 23 Issue 4, p23
Highlights the development of the Dunkirk six combined cycle power plant in France. Assumed operating life of the plant; Use of natural gas in the plant; Concept of plant operation.
- Importance of Thermal Balance for Hydraulic Elevators.
Celik, K. Ferhat; Kucur, Murad // Elevator World; Feb2011, Vol. 59 Issue 2, p84
Heat generation of hydraulic elevator power units is a very important phenomenon and should be kept under control for good ride performance and longer service life. Very low and very high oil temperatures decline ride quality of the elevator. Very low oil temperatures cause sluggish behaviour of...
- Mechanical Properties and Durability Issues of Ultra-High Performance Concrete - An Overview.
Allena, Srinivas; Newtson, Craig M.; Weldon, Brad D.; Jauregui, David V. // International Review of Civil Engineering; Jul2011, Vol. 2 Issue 4, p198
In the past several years, many advancements have been made in concrete technology. Sustainable use of supplementary materials and revolutionary developments in superplasticizing admixtures have facilitated improvements in the mechanical properties and durability of concrete. Ultra-high...
- YAPILAR NASIL HASTALANIR?
Ekinci&, Cevdet Emin; İşçi, Nilüfer; Alyavuz, Feyzihan // e-Journal of New World Sciences Academy (NWSA); 2007, Vol. 2 Issue 1, p9
In this study, the factors that cause the construction/building can be damaged by negative interior and exterior effects. Buildings and their components must be prevented from these effects in order to lengthen their useful service lives like living things. Unprevented building and materials...
- The Art of Building A 313-Ship Fleet: Balancing Navy And Industry Needs.
Fein, Geoff // Defense Daily; 5/1/2006, Vol. 230 Issue 21, p2
The article reports that the U.S. Navy's 30-year shipbuilding plan, calling for an increase to 313 ships, required an understanding of each ship yard's pricing agreements as well as having a modernization program in place to ensure ships are supported to the end of their service life and capable...
- BUT THEY DON'T MAKE ONE OF THOSE TO FIT THAT!
Fein, Geoff // Motorcycle Cruiser; Feb2011, Vol. 16 Issue 1, p55
The article offers suggestions for motorcycle enthusiasts on how to upgrade a battery from the factory-recommended wet cell to a version that is maintenance-free and has more capacity. One is to know the basic physicals dimensions of the battery to avoid shoehorning it into a space that is too...
- Preventing fan motors failure.
Fein, Geoff // Electrical & Automation Technology; Feb/Mar2008, p24
The article discusses how to solve the problem of electric motors affected by stray currents. Noted in this entry is the situation of a pulp and carbonboard mill that was losing productivity due to bearing problems in the pulp boiler flue gas recirculation fan motors. Also cited are the...
- Services Acquisition in the DoD: A Comparison of Management Practices in the Army, Navy, and Air Force.
Rendon, Rene G.; Apte, Uday M.; Apte, Aruna // Defense Acquisition Research Journal: A Publication of the Defen; Jan2012, Vol. 19 Issue 1, p3
This article presents the results of empirical studies of current practices in services acquisition in the Army, Navy, and Air Force. The authors studied the management practices in areas such as contract characteristics, acquisition management methods, use of the project management approach,...
- Taking Roof Maintenance to the Next Step.
D'Annunzio, John A. // Roofing Contractor; Jun2011, Vol. 31 Issue 6, p18
The article describes a roof maintenance program that roof contractors can implement to help clients get the maximum value out of existing roofs. It shows how to extend the service life of existing roof systems, and presents a systematic, cost-effective approach to roof maintenance. It...
- REALIZATION OF ELECTROMECHANICAL AND CHEMICAL WAYS FOR INCREASING MINERAL BINDER'S ACTIVITY.
UDERBAYEV, Saken Seitkanovich // Nanotechnologies in Construction; 2014, Vol. 6 Issue 2, p53
The article highlights the problem of obtaining high density and high strength building materials by developing and implementing electromechanical and chemical ways to increase the activity of the mineral binder and thus increase the durability of building materials based on it.
- Guest Editorial.
Zhu, Songye; Xia, Yong // Advances in Structural Engineering; Apr2014, Vol. 17 Issue 4, pi
An introduction is presented in which the guest editors discuss various papers within the issue on topics including the life-cycle performance assessment, performance-based design, and structural performance.
- Thin Elevator Ropes on Small Sheaves.
Franz, Andreas // Elevator World; Jul2011, Vol. 59 Issue 7, p96
The article examines the correlation of the sheave diameter ratio to nominal rope diameter and service life. It explains how ropes are able to move over sheaves. A list of examples of rope-specific influencing factors is given, including wire strength, rope construction and core. A discussion of...
- THE METHOD BY FACTORS TO ESTIMATE SERVICE LIFE IN BUILDINGS PROJECTS ACCORDING TO NORM ISO 15686.
MORENO, Silverio Hernández // Management Research & Practice; Dec2012, Vol. 4 Issue 4, p5
This paper approaches the review and explanation of the method for estimating factors for service life on buildings projects in accordance with ISO 15686. This paper discusses generally the most important factors affecting the durability of buildings and addresses an example of a case study...
- Polysiloxane Coating Technology: A review.
Ghosh, Sangram // Paintindia; Jun2014, Vol. 64 Issue 6, p51
Polysiloxane topcoats offer unique properties such as long life expectancy, low maintenance cost, superior weatherability, good corrosion protection, fast dry to handle properties, low VOC content, non-isocyanate regulation compliance and extreme durability. Many specifiers and applicators have...
- Research, standardization and practice in accelerated ageing tests.
Jakubowicz, Ignacy // Polimery; 2004, Vol. 49 Issue 5, p321
The increasing use of polymers in various technological environments requires understanding of the degradation phenomena and ultimately controlling them. Questions associated with performance, cost, durability and environmental effects are closely related to each other and must be answered...
- 5 essentials for calculating respirator cartridge service life.
Parham, Michael; Cornagie, Jenny // Industrial Safety & Hygiene News; May2009, Vol. 43 Issue 5, p54
The article focuses on the things to consider by users before using a service life calculation tool. They need to know the contaminant physical properties of the tool given the fact that volatility affects service life. They should be aware that the worksite conditions influence the service life...
- Effect of plant-derived organic binders on fracture toughness and fatigue of kaolin-based refractories.
Njogu, M.; Nyongesa, F.; Aduda, B. // Journal of Materials Science; Jun2008, Vol. 43 Issue 12, p4107
The fracture properties of kaolin-based refractories prepared using plant-derived binders from okra and â€œmrendaâ€ have been investigated and compared. It was observed that the MOR of fired samples improved from 37.5 Â± 0.1 MPa (for binder-free samples) to 69.6 Â± 0.1 MPa, and to...
- NRMCA CALLS FOR HPC SYMPOSIUM PRESENTATIONS.
Njogu, M.; Nyongesa, F.; Aduda, B. // Concrete Products; Sep2006, Vol. 109 Issue 9, p14
The article reports that the National Ready Mixed Concrete Association is accepting abstracts of candidate papers for the Concrete Technology Forum: Focus on High Performance Concrete which will be held in Dallas, Texas on May 22-24, 2007. The suggested track and topics include self...
- PLANT OPERATION.
Njogu, M.; Nyongesa, F.; Aduda, B. // New Equipment Digest; Jan2005, Vol. 70 Issue 1, p58
The article presents information about various new technological products used in industry. Portable hot water pressure washers combine large water volume and the ability to support 2-gun operation. Resilient-seated 410/412 Series butterfly valves offer a bi-directional bubble-tight shutoff...
- New Products Electronic Components: Enhanced Operating Life.
Njogu, M.; Nyongesa, F.; Aduda, B. // Product Design & Development; Nov2011, Vol. 66 Issue 10, p26
The article evaluates several products namely the KMT 0X2 Series miniature tactile switch by C&K Components, the wSeries wireless transmitters by Omega, and the 4:1 input DC/DC converters by CUI.
- Potential for Use of Time-Analogy Methods in Mechanics of Frozen Soils.
Roman, L. T. // Soil Mechanics & Foundation Engineering; Jul2003, Vol. 40 Issue 4, p146
The possibility of using time-analogy methods to predict the long-term strength and long-term deformation of a foundation bed in a period equal to the service life of the structures is demonstrated on the basis of experimental and theoretical data.
- Take a Seat.
Grant, Deborah R. // American School & University; Dec99, Vol. 72 Issue 4, p26
Discusses the factors involved in purchasing school furnishings. Evaluation of product's durability; Importance of styles and colors; Wire management; Comfort and safety of the furnishings.
- Periclase for Use in Electrical Tube Heater.
Perepelitsyn, V. A.; Sivash, V. G. // Refractories & Industrial Ceramics; Jan/Feb2003, Vol. 44 Issue 1, p7
Phase and structural transformations occurring in the periclase material during its extended service life in an electric tube heater are considered. The physicochemical processes involved in the overheat of the heating coil, the thermochemical aging of periclase, and the failure of the electric...
- New methods for monitoring the technical state of blast furnace enclosure without stopping the technological process.
Bol'shakov, V. I.; Chaika, A. L.; Sushchev, S. P.; Suslonov, A. A.; Yur'yev, A. B.; Bugaev, S. F.; Panchokha, G. V.; Borodulin, A. V. // Refractories & Industrial Ceramics; May2007, Vol. 48 Issue 3, p178
The problem of technical monitoring of the state of blast furnaces are considered in the context of extending the service life of furnaces, and estimating the reliability of their structural elements. The method of videomonitoring of the technical state of the blast furnace enclosure without...
- Predicting the life of hydraulic hose.
Mramor, Ron // Machine Design; 3/3/2005, Vol. 77 Issue 5, p79
Deals with several indicators that foretell the shelf life of bulk rubber hose. Size-related factors that compromise the service life of hoses; Recommended temperature range for a typical rubber hose; Hazards of stationary indoor applications.
- Getting up to speed with wrap-spring clutch/brakes.
Mramor, Ron // Machine Design; 1/25/2007, Vol. 79 Issue 2, p52
The article focuses on the functions of wrap-spring clutch/brakes. Such equipment are suitable for machines that operate several times during a single revolution. Wrap-spring clutch/brakes provide better positioning accuracy and braking capability compared to single-revolution clutches. The...
- Modeling methods for perfecting sealing units of piston compressors at the design stage.
Prilutskii, I.; Ivanov, D.; Zamolotskaya, E.; Bessonnyi, A.; Prilutskii, A. // Chemical & Petroleum Engineering; Sep/Oct2004, Vol. 40 Issue 9/10, p545
Reports on the efficiency, reliability and operating life of piston compressors which depend on the perfection of designs of their constituent units, among them seals of pistons and glands operating with high and time-variable pressure differentials. Requirements that must be met by sealing...
- Estimating service life of technical devices with due regard for efficiency of their diagnosis.
Cherepanov, A.; Poroshin, Yu. // Chemical & Petroleum Engineering; Jan2010, Vol. 46 Issue 1/2, p103
A quantitative index of efficiency of diagnosing vessels, tanks, and pipelines is proposed, which takes account of the risk of emergency situation that may arise in case of their failure, reliability of methods, and volumes of monitoring done for diagnosing. A relationship has been established...
- Method for estimation of the average local working temperatures and the residual resource of metal coatings of gas-turbine blades.
Krukovskii, P.; Tadlya, K. // Journal of Engineering Physics & Thermophysics; May2007, Vol. 80 Issue 3, p440
A new method is proposed for estimation of the average local operating temperatures and the residual service life (resource) of protective MCrAlY metal coatings of gas-turbine blades after a certain time of operation on the basis of experimental data on the residual content of aluminum in the...
- Evaluation of the durability of a pipe of oil pipeline with surface crack under biaxial block loading.
Andreikiv, O. E.; Ivanyts'kyi, Ya. L.; Terlets'ka, Z. O.; Kit, M. B. // Materials Science; May2004, Vol. 40 Issue 3, p408
We propose an energy approach to the evaluation of the residual service life of structural elements with cracks for the two-frequency loading mode of biaxial tension-compression. This approach is applied to a pipe of oil pipeline containing a crack on its inner surface. The pipe is regarded as...
- Evaluation of Common Maintenance Methods for Flexible Pavements.
Ibraheem, Asma T.; Gani, Suda M. // American Journal of Engineering & Applied Sciences; 2011, Vol. 4 Issue 3, p413
The article presents a study which examines the status of maintenance methods for flexible road pavements in Iraq. The authors conclude that Iraqi roads do not receive an effective and proper maintenance during their service life until they reach the state that requires rehabilitation. They...
- How roof service life impacts sustainability.
Ibraheem, Asma T.; Gani, Suda M. // Roofing Contractor; Dec2008, Vol. 28 Issue 12, Special section p10
The article discusses the impact of roof service life on sustainability. It presents findings of a study on whether Life Cycle Assessment (LCA) is a better method of assessing a roof's long-term economic and environmental value that Life Cycle Costing (LCC). It notes that the Equivalent Uniform...
- Consider Below the Membrane.
Garcia, Ruben // Roofing Contractor; Dec2008, Vol. 28 Issue 12, p46
The article discusses the impact of insulation and cover boards on the overall roof performance. It states that insulation, a key component of any roofing system, delivers energy efficiency and savings through its R-value, the product's insulating effectiveness. A list of the benefits of using...