Fleet Test Evaluations of an Automotive and Medium-Duty Truck Coolant Filter Conditioner PDF Download
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Author: AB. Wright Publisher: ISBN: Category : Antifreeze solutions Languages : en Pages : 22
Book Description
The use of coolant filtration and supplemental coolant additives (SCA) to replenish depleted protective chemistry has been applied in the heavy duty diesel arena for many years. Some filtration of coolant and SCA usage in light gasoline engine and automotive diesel engine vehicles has taken place using off-board equipment to filter and recondition coolant. As concerns about the environment have increased, disposal of spent coolant that is replaced on a scheduled basis is a burden on fleets as well as individuals. In addition, as the efforts by vehicle manufacturers to extend or eliminate routine service intervals of vehicle systems increase, the use of an on-board system has become more attractive.
Author: AB. Wright Publisher: ISBN: Category : Antifreeze solutions Languages : en Pages : 22
Book Description
The use of coolant filtration and supplemental coolant additives (SCA) to replenish depleted protective chemistry has been applied in the heavy duty diesel arena for many years. Some filtration of coolant and SCA usage in light gasoline engine and automotive diesel engine vehicles has taken place using off-board equipment to filter and recondition coolant. As concerns about the environment have increased, disposal of spent coolant that is replaced on a scheduled basis is a burden on fleets as well as individuals. In addition, as the efforts by vehicle manufacturers to extend or eliminate routine service intervals of vehicle systems increase, the use of an on-board system has become more attractive.
Author: Roy E. Beal Publisher: ASTM International ISBN: 0803118511 Category : Aluminum alloys Languages : en Pages : 308
Book Description
Annotation Emerging from a November 1991 symposium in Scottsdale, Arizona, 19 papers report on advances in developing, testing, and applying engine cooling fluids for automobiles and heavy duty engines. Among the topics are carboxylic acids as corrosion inhibitors in engine coolant, phosphate-molybdate supplements to heavy duty diesel engines, the toxicity and disposal of engine coolants, and the characterization of used engine coolant by statistical analysis. Annotation copyright by Book News, Inc., Portland, OR.
Author: RA. Frost Publisher: ISBN: Category : Antifreeze solutions Languages : en Pages : 22
Book Description
A 240 000 mile (386 232 km) fleet test was conducted to evaluate recycled engine coolant against factory fill coolant. The fleet consisted of 12 new Navistar International Model 9600 trucks equipped with Detroit Diesel Series 60 engines. Six of the trucks were drained and filled with the recycled engine coolant that had been recycled by a chemical treatment/filtration/reinhibited process. The other six test trucks contained the factory filled coolant. All the trucks followed the same maintenance practices which included the use of supplemental coolant additives. The trucks were equipped with metal specimen bundles. Metal specimen bundles and coolant samples were periodically removed to monitor the cooling system chemistry. A comparison of the solution chemistry and metal coupon corrosion patterns for the recycled and factory filled coolants is presented and discussed.
Author: SS. Aroyan Publisher: ISBN: Category : Antifreeze solutions Languages : en Pages : 9
Book Description
This paper is a controlled extended service interval (ESI) study of the comparative behaviors of a nitrite/borate/low-silicate, low total dissolved solids (TDS) coolant maintained with delayed-release filters, and an organic acid inhibited coolant technology in heavy-duty engines. It reports both laboratory and fleet test data from 66 trucks, powered with different makes of heavy-duty diesel engines. The engines were cooled with three different types of inhibitors and two different glycol base (ethylene glycol and propylene glycol) coolants for an initial period exceeding two years and 500 000 km (300 000 miles). The data reported include chemical depletion rates, periodic coolant chemical analyses, and engine/cooling system reliability experience. The ongoing test will continue for approximately five years and a 1.6 million km (1 million miles) duration. Thirteen trucks were retained as controls, operating with ASTM D 4985 specification (GM-6038 type) coolant maintained with standard ASTM D 5752 supplemental coolant additive (SCA). Engines produced by Caterpillar, Detroit Diesel Corp., Cummins Engine Co., and Mack Trucks are included in the test mix.
Author: NC. Adamowicz Publisher: ISBN: Category : Aluminum Languages : en Pages : 19
Book Description
A three-year, twelve-car municipal fleet test was conducted to compare the relative merits of an extended life sebacic acid coolant and current high silicate alkaline phosphate coolant used in North America. The test was conducted under rigidly controlled conditions in accordance with ASTM Practice for Testing Engine Coolants in Car and Light Truck Service (D 2847).
Author: William N. Matulewicz Publisher: ASTM International ISBN: Category : Transportation Languages : en Pages : 172
Book Description
This volume consists of 14 manuscripts from the Fifth International Symposium on Engine Coolant Technology sponsored by the American Society for Testing and Materials Committee D15 on Engine Coolants, held in Toronto, Canada, in May 2006. Papers cover advances in system components, experimental testing, uses, and users' experience of automotive and heavy-duty applications. They focus on international coolant development, field testing of additives, recycling, additive compatibility, alternate coolant base technology, extended life oxidation and thermal stability, and new testing methods of cavitation, erosion, and localized corrosion. Contributors are international technical representatives from OEM and engine coolant producers. There is no index.
Author: AV. Gershun Publisher: ISBN: Category : Accelerated aging test Languages : en Pages : 20
Book Description
The objective of this study was to develop an accelerated aging test (AAT) for conventional and extended life coolants that will predict coolant composition and performance after 100 000 or more miles (160 930 km) of use. The procedure was developed by examining the effects of a series of cooling system metals, their surface area and the amount of each used, test temperature, glycol concentration, and test time on important chemical and physical properties of the test coolant. The chemical and physical properties evaluated included the accumulation of glycol degradation products, the depletion rate of active inhibitors, the pH drop, and the presence of corrosion products in solution. In addition, the test coolant performance was evaluated in ASTM D 1384 and D 4340. The effects of variation in the test procedure on the coolant were compared to actual coolant from extended duration fleet tests. The test procedure selected gave test coolant with composition, physical properties, and performance that compared favorably with the fleet test fluid. The test performance was validated by comparing the properties of a series fluids after this test to corresponding fluids removed from vehicles after extended use. An example of fluid development using this procedure is presented. Further areas of investigation are suggested. It is recommended that the general test procedure be considered for adoption as an ASTM test method for evaluation of the extended performance of fluids in automotive and light duty cooling systems.
Author: ER. Eaton Publisher: ISBN: Category : Aluminum radiators Languages : en Pages : 9
Book Description
In 1995, a universal "fully formulated" antifreeze/coolant specification was published for the first time in The Maintenance Council (TMC) Recommended Practices (RP) 329 and 330. It was the intent of TMC to provide a coolant that could be used in both automotive light-duty engines and heavy-duty diesel engines. This simple, one-step coolant would allow fleet managers to decrease maintenance while complying with OEM warranty requirements. In addition, fleet managers would have only one coolant to inventory. Extensive data have been presented by various authors and are recorded in the literature regarding the application of this type of coolant in heavy-duty diesel engines. Herein are reported the positive results and documentation of the successful extended service interval (ESI) application of this coolant in light-duty automobile engines, complementing the heavy-duty performance database. Vehicles from the "Big Three" American car manufacturers were operated for a distance exceeding 100 000 km (62 000 miles) with excellent experience. This paper reports the test parameters, test methods, test data and concludes that both TMC RP-329 and RP-330 compliant, phosphate-free low-silicate coolants offer ESI performance for light-duty as well as heavy-duty applications.
Author: AB. Wright
Author: AB. Wright
Author: Roy E. Beal
Author: Roy E. Beal
Author: RA. Frost
Author: SS. Aroyan
Author: NC. Adamowicz
Author: William N. Matulewicz
Author: 
Author: AV. Gershun
Author: ER. Eaton