Oil-Consumption Measurements of Individual Cylinders in Automotive Engines

1970 ◽  
Author(s):  
W. J. Mayer ◽  
D. P. Krause ◽  
C. P. Moore ◽  
C. B. Murphy
Keyword(s):  
Oil Consumption ◽  
Automotive Engines

scholarly journals Selection of Parameters for Diagnostics of Parts of Cylinder-piston Group of Automotive Diesel Engines

2020 ◽  
Author(s):  
Б.С. Антропов ◽  
В.В. Капралов ◽  
В.В. Гумённый ◽  
В.А. Генералов
Keyword(s):  
Service Life ◽  
Information Value ◽  
Dust Particles ◽  
Inertial Forces ◽  
Oil Consumption ◽  
Automotive Engines ◽  
Piston Group ◽  
Cylinder Piston ◽  
Quality Check ◽  
Selection Of

Детали цилиндропоршневой группы (ЦПГ) определяют ресурс автомобильных двигателей, так как они являются наиболее нагруженными газовыми и инерционными силами, имеющими переменный и знакопеременный характер изменения. К тому же эти детали имеют контакт с горячими газами и атмосферным воздухом, содержащим абразивные частицы пыли, что интенсифицирует их износ. Достоверность диагностирования состояния деталей ЦПГ зависит от информативности выбранных параметров, которыми являются показатели качества работы двигателей. Проверка двигателей из эксплуатации с пробегами, близкими к их ресурсу, на тормозном стенде при работе на номинальном режиме, показала, что самым информативным является расход масла на долив (на угар). Он рекомендован как основной диагностический параметр деталей ЦПГ. Вспомогательными параметрами рекомендуются компрессия и расход картерных газов, которые целесообразно использовать при углублённом диагностировании указанных деталей с целью определения неисправных цилиндров двигателя. Parts of cylinder-piston group determine service life of automotive engines as they are the most loaded gas and inertial forces, having variable and sign-alternating character of change. In addition, these parts have contact with hot gases and atmospheric air containing abrasive dust particles which intensifies their wear. Reliability of diagnostics of CPG parts condition depends on information value of selected parameters which are indicators of engines operation quality. Check of engines out of service with runs close to their service life on the brake stand bench during operation at nominal conditions has showed that the most informative is oil consumption through burning. It is recommended as the main diagnostic parameter of CPG parts. The auxiliary parameters are recommended compression and flow rate of crankcase gases which are useful for deep diagnostics of the specified parts in order to determine faulty cylinders of the engine.

Self-lubricating chromium carbide/amorphous hydrogenated carbon nanocomposite coatings: A new alternative to tungsten carbide/amorphous hydrogenated carbon

2009 ◽  
Vol 223 (5) ◽  
pp. 751-757 ◽  
Author(s):  
C Mitterer ◽  
M Lechthaler ◽  
G Gassner ◽  
G A Fontalvo ◽  
L Tóth ◽  
...  
Keyword(s):  
Sliding Friction ◽  
Nanocomposite Coatings ◽  
Oil Consumption ◽  
Wear Rates ◽  
Mechanical And Tribological Properties ◽  
Automotive Engines ◽  
Production Type ◽  
Increasing Demand ◽  
Amorphous Hydrogenated Carbon ◽  
Hardness Values

In the automotive industry, there is an increasing demand to apply self-lubricious coatings to reduce fuel and oil consumption. Within this work, self-lubricious nanocomposite coatings consisting of 1-3.5 nm sized CrC nanocrystals embedded in an amorphous hydrogenated carbon (a-C:H) matrix have been developed in a laboratory-scale sputtering system and up-scaled to a production-type plant. The nanostructure and composition of these coatings are presented and correlated to mechanical and tribological properties. With hardness values of about 11 GPa, dry-sliding friction coefficients between 0.08 and 0.18, and wear rates between 3.9×10−16 and 2.8×10−15 m3/N/m, the coatings outperform present state-of-the-art WC/a-C:H coatings and seem to be excellent candidates for applications in automotive engines and drivetrain systems.

MANIFLEX-FM

Alloy Digest ◽  
1974 ◽  
Vol 23 (2) ◽  
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
High Temperature ◽  
Austenitic Stainless Steel ◽  
Heat Treating ◽  
Combustion Products ◽  
High Temperature Strength ◽  
Automotive Engines ◽  
Good Corrosion Resistance ◽  
Temperature Performance

Abstract MANIFLEX-FM is a free-machining chromium-nickel austenitic stainless steel which offers excellent high-temperature strength and hardness with good corrosion resistance to combustion products. It is widely used exhaust components in automotive engines. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-291. Producer or source: Carpenter.

Influence of Household Incomes on the Level of Vegetable Oil Consumption

2018 ◽  
pp. 39-44
Author(s):  
V.D. Goncharov ◽  
◽  
S.V. Koteev ◽  
S.G. Salnikov ◽  
◽  
...  
Keyword(s):  
Vegetable Oil ◽  
Oil Consumption ◽  
Household Incomes

IDENTIFICATION OF LEYDERMAN FUNCTIONS WHEN CALCULATING AUTOMOTIVE ENGINES

2020 ◽  
Vol 68 (1) ◽  
pp. 3-10
Author(s):  
A.O. KHARCHENKO ◽  
◽  
V.P. DOLGIN ◽  
A.A. KHARCHENKO ◽  
◽  
...  
Keyword(s):  
Automotive Engines

IMPROVEMENT OF THE TECHNOLOGICAL PROCESS AND OIL COMPOSITION FOR BENCH RUN-IN OF THOROUGHLY REPAIRED AUTOMOTIVE ENGINES

2020 ◽  
Vol 15 (3) ◽  
pp. 368-377
Author(s):  
Valery Ostrikov ◽  
◽  
Valentin Safonov ◽  
Alla Zabrodskaya ◽  
Konstantin Safonov ◽  
...  
Keyword(s):  
Technological Process ◽  
Oil Composition ◽  
Automotive Engines

scholarly journals Olive Fruit and Leaf Wastes as Bioactive Ingredients for Cosmetics—A Preliminary Study

Antioxidants ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 245
Author(s):  
María de la Luz Cádiz-Gurrea ◽  
Diana Pinto ◽  
Cristina Delerue-Matos ◽  
Francisca Rodrigues
Keyword(s):  
Olive Oil ◽  
High Performance ◽  
Value Added ◽  
Bioactive Compound ◽  
In Vitro Assays ◽  
Oil Consumption ◽  
Cosmetic Ingredients ◽  
Bioactive Ingredients ◽  
Olive Industry

Olea europaea cultivar, native in the Mediterranean basin, has expanded worldwide, mainly due to the olive oil industry. This expansion is attributed to the benefits of olive oil consumption, since this product is rich in nutritional and bioactive compounds. However, the olive industry generates high amounts of wastes, which could be related to polluting effects on soil and water. To minimize the environmental impact, different strategies of revalorization have been proposed. In this sense, the aim of this work was to develop high cosmetic value added oleuropein-enriched extracts (O20 and O30), a bioactive compound from olive byproducts, performing a comprehensive characterization using high performance liquid chromatography coupled to mass spectrometry and evaluate their bioactivity by in vitro assays. A total of 49 compounds were detected, with oleuropein and its derivatives widely found in O30 extract, whereas iridoids were mainly detected in O20 extract. Moreover, 10 compounds were detected for the first time in olive leaves. Both extracts demonstrated strong antioxidant and antiradical activities, although O30 showed higher values. In addition, radical oxygen and nitrogen species scavenging and enzyme inhibition values were higher in O30, with the exception of HOCl and hyaluronidase inhibition assays. Regarding cell viability, olive byproduct extracts did not lead to a decrease in keratinocytes viability until 100 µg/mL. All data reported by the present study reflect the potential of industrial byproducts as cosmetic ingredients.

Maternal fish oil consumption has a negative impact on mammary gland tumorigenesis in C3(1) Tag mice offspring

2021 ◽  
Author(s):  
Gabriela Ion ◽  
Juliana A. Akinsete ◽  
Theodore R. Witte ◽  
Marinela Bostan ◽  
W. Elaine Hardman
Keyword(s):  
Mammary Gland ◽  
Fish Oil ◽  
Negative Impact ◽  
Oil Consumption
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