Corner Posts

Journal bearing design criteria - VII Measuring oil film thickness

Journal bearing design criteria - VII Measuring oil film thickness

As stated in the previous articles, radial journal bearings have operating parameters sufficient to carry the bearing load between the journal (shaft) and the bearing surface. These parameters include speed, load, oil flow, oil viscosity, bearing ...

25.11.2020 12:28:00
Prof. Dr. Ertuğrul Durak     423
Used oil management and upcycling

Used oil management and upcycling

Waste management should be done in the best way within the lubricant life cycle. According to the waste hierarchy, waste is managed through the following phases: prevention, reduction, reusing if possible, recycling, chemical/material recovery, ...

23.11.2020 12:23:00
Prof. Dr. Filiz Karaosmanoğlu     518
Lubricants and biodiversity

Lubricants and biodiversity

Soil and water pollution caused as a result of production, transportation and consumption of lubricants throughout their life cycle and dispersion, leakage and spillage of lubricants in waste oil management have been a threat against the ...

11.7.2020 09:35:00
Prof. Dr. Filiz Karaosmanoğlu     781
Journal bearing design criteria - VI Oil flow in bearing and leak flow at bearing edges

Journal bearing design criteria - VI Oil flow in bearing and leak flow at bearing edges

Sufficient amount of oil should enter the bearing in order to form a hydrodynamic oil layer with the bearing operation parameters (such as speed, lead, oil viscosity, bearing width, bearing diameter, etc.) that are sufficient to carry the bearing ...

13.3.2020 14:53:00
Prof. Dr. Ertuğrul Durak     1724
Lubricant packages

Lubricant packages

“The Lubricant Packaging Market 2019 In-Depth Analysis of Industry Growth Trends & Forecast up to 2024” indicates that plastic dominated over seventy percent of the packaging market in 2016 with its durability, accessibility and cost ...

1.1.2020 11:01:00
Prof. Dr. Filiz Karaosmanoğlu     1380
Journal bearing design criteria - V Bearing Width / Diameter (B/D) Ratio

Journal bearing design criteria - V Bearing Width / Diameter (B/D) Ratio

In journal bearings, bearing width (length) / bearing diameter (B/D) ratio is an important parameter for determining the load carrying capacity of the bearing. Usually the bearing diameter is known at the outset of calculations for the bearing in ...

22.12.2019 17:13:00
Prof. Dr. Ertuğrul Durak     2385
Journal bearing design criteria IV - Bearing clearance

Journal bearing design criteria IV - Bearing clearance

Elements that carry power transmission elements such as gear wheel, belt and pulley or chain wheel mechanisms are called shafts. Shafts that assume this carrying task are supported with journal bearings and ball bearings (rollers). Part of shafts ...

11.11.2019 12:02:00
Prof. Dr. Ertuğrul Durak     5518
Fossil resources: Environment and climate change

Fossil resources: Environment and climate change

The cost of providing welfare and comfort in our lives by using coal, oil, natural gas, and the products made from these fossil resources is very high for our planet. Therefore, it is indisputable to minimize the greenhouse gas emissions, ...

11.11.2019 11:56:00
Prof. Dr. Filiz Karaosmanoğlu     1868
Journal bearing design criteria III / Oil galleries

Journal bearing design criteria III / Oil galleries

The main purpose of lubrication is to form an oil film between the two surfaces, which has sufficient thickness and is resistant to operating conditions. It aims to transform the mechanical friction that causes loss of energy into internal friction ...

2.9.2019 16:30:00
Prof. Dr. Ertuğrul Durak     2601
Journal bearing design criteria - II

Journal bearing design criteria - II

Bearing selection and design processes can be summarized as: -Selecting the optimum bearing type, -Calculating bearing sizes that will ensure safety, -Reviewing the performance analysis of bearing if it fulfils the needs, -Modifying the design ...

21.8.2019 16:33:00
Prof. Dr. Ertuğrul Durak     4218
Journal bearing design criteria - I

Journal bearing design criteria - I

In general, design is a production process that aims to find a solution for a specific function. Several alternative solutions can be offered to solve the problem in design because design requirements can be interpreted in many different ways. Main ...

30.5.2019 11:52:00
Prof. Dr. Ertuğrul Durak     4192
Plant-oil-based lubricants - II

Plant-oil-based lubricants - II

Technical terms such as biodegradable, bio-based, environment-friendly, recyclable, renewable, non-toxic, green, etc. are frequently used in the industry as well as in our daily lives. These terms are becoming a key sales tool and sales criteria for ...

1.4.2019 17:16:00
Prof. Dr. Ertuğrul Durak     4060
Climate Action 100+

Climate Action 100+

The 24th Conference of the Parties to the United Nations Framework Convention on Climate Change (COP24) was held in Katowice, Poland on December 2-14, 2018. At the Conference, the Paris Agreement Work Programme (Paris Rulebook) was adopted to be ...

1.4.2019 17:11:00
Prof. Dr. Filiz Karaosmanoğlu     3136
Lubricants and lubrication from mechanical engineering students’ perspective

Lubricants and lubrication from mechanical engineering students’ perspective

Mechanical engineering is a field of engineering which studies, researches and provides training about the construction, manufacturing, manufacturing planning, assembly, maintenance-reparation and operation of all kinds of mechanisms, mechanical ...

1.12.2018 17:41:00
Prof. Dr. Ertuğrul Durak     4270
Plant-based lubricants - I

Plant-based lubricants - I

PETDER’s 2017 Sector Report reveals that 51 percent of the lubricant consumption in Turkey is composed of automotive lubricants, whereas 40 percent is industrial lubricants, 4 percent is marine lubricants, and 5 percent is greases. In this ...

13.11.2018 11:54:00
Prof. Dr. Ertuğrul Durak     3746
Electric vehicles and engine oils market

Electric vehicles and engine oils market

The number of electric cars on the world’s roads reached 3,109,050 in 2017 with a 55 percent increase compared with 2016, according to the latest edition of the International Energy Agency’s “Global Electric Vehicles Outlook” ...

13.11.2018 11:52:00
Prof. Dr. Filiz Karaosmanoğlu     5937
Hydraulic oils and oil additives

Hydraulic oils and oil additives

Hydraulic fluid selection is very important because today's hydraulic systems operate at harsh conditions consisting of high pressure, high temperature and high speed. An effective fluid should improve the hydraulic system's operating performance, ...

1.6.2018 16:53:00
Prof. Dr. Ertuğrul Durak     20586
Republic of Kazakhstan and green economy

Republic of Kazakhstan and green economy

The Republic of Kazakhstan has an enviable “Transition to Green Economy Plan” as a country which has a rapidly growing economy and holds the highest volume of greenhouse gas emission in Central Asia. Green policy was adopted in 2013. ...

1.6.2018 16:39:00
Prof. Dr. Filiz Karaosmanoğlu     5513
Vergide güncel gelişmeler

Vergide güncel gelişmeler

1- Katma Değer Vergisi Kanununda Değişiklik Yapılmasına Dair Kanun Tasarısı TBMM’ye Sevk Edilmiştir. Katma Değer Vergisi Kanunu’nda önemli değişiklikler öngören “Katma Değer Vergisi Kanunu İle ...

9.4.2018 16:45:00
Mehmet Erkan     8167
Lubrication power for wind power

Lubrication power for wind power

We started this year with 6872 MW installed power, in which the wind industry as the locomotive of renewable energy investments of our country has gained momentum for nationalization. In line with the goal “creating a sustainable and ...

9.4.2018 16:39:00
Prof. Dr. Filiz Karaosmanoğlu     5424
2D nanomaterials as lubricant additives

2D nanomaterials as lubricant additives

Heat generation and distribution during friction can lead to a large amount of energy loss. Friction-related wear can lead to serious problems such as damage to surfaces, reduced performance and reduced reliability of the devices. Approximately one ...

1.4.2018 16:34:00
Prof. Dr. Ertuğrul Durak     6243
Energy efficient, climate change-resistant production

Energy efficient, climate change-resistant production

Energy consumption in the industry has a cost in two dimensions: the cost of production and the impact of production on our earth. For resource efficiency in production, energy -one of the most fundamental inputs- must be consumed efficiently. For ...

1.2.2018 17:06:00
Prof. Dr. Filiz Karaosmanoğlu     5388
Additive types

Additive types

Today, extensive research continues to achieve high performance in lubricants, because the properties of current lubricants in today's technology are still not perfect. Lubricant additives are an effective way to improve performance. At present, ...

1.2.2018 16:52:00
Prof. Dr. Ertuğrul Durak     2175
Lubricants and innovation

Lubricants and innovation

The importance of innovation for lubricant manufacturing was discussed at the UEIL (Union of European Lubricants Industry) Annual Congress held on 25-27 October 2017 in Bologna, Italy. UEIL represents more than 450 companies and 100,000 employees, ...

1.12.2017
Prof. Dr. Filiz Karaosmanoğlu     7368
Additive types 3

Additive types 3

Detergent and dispersant additives: Detergent and dispersant additives are designed to control the carbon and oxidation, sludge, varnish, lacquer and other solid materials that are formed in lubricants due to various reasons. They are used to ...

10.10.2017
Prof. Dr. Ertuğrul Durak     6516
Waste lubricants

Waste lubricants

Unfortunately, we see lots of consecutive news and reports about a beautiful city of our beautiful country, with the titles of “Waste Oil Operation”, “Waste Oil Confiscated”, “Raid on Illegal Oil” and so on. There ...

10.10.2017
Prof. Dr. Filiz Karaosmanoğlu     6757
Global lubricant manufacturers and sustainability

Global lubricant manufacturers and sustainability

“Sustainability” methods and targets of global lubricant manufacturers are strong. Ensuring sustainability in lubricant production and consumption is a priority for today, and a must for tomorrow. Lubricants are used in almost every ...

25.8.2017
Prof. Dr. Filiz Karaosmanoğlu     6503
Additive types

Additive types

Oxidation inhibitors: Oxidation reactions are exothermic and very complex reactions. Oxidation in lubricants that contain paraffinic and naphthenic hydrocarbons may lead to the formation of acidic or soluble products in lubricants, and oxidation in ...

23.8.2017
Prof. Dr. Ertuğrul Durak     7278
Carbon management in lubricant plants

Carbon management in lubricant plants

The carbon footprint of the lubricating oil affects the carbon footprint at the site where it is used. For this reason, reducing the carbon footprint before use gives a green advantage to the lubricant. In the lifecycle of the lubricant from the ...

1.6.2017
Prof. Dr. Filiz Karaosmanoğlu     6384
Additive types

Additive types

Freezing Point Depressants (FPD): Hydrocarbons, which form the basis of lubricating oils, tend to solidify at low temperatures. Such additives are high molecular weight polymers. This additive prevents formation of a wax crystal structure that will ...

1.6.2017
Prof. Dr. Ertuğrul Durak     2292

Last Added

NYCO invites you to attend their forth webinar on synthetic esters on March 16th

NYCO invites you to attend their forth webinar on synthetic esters on March 16th

NYCO announced their new webinar on synthetic esters. The webinar “Understanding and balancing interactions between esters and elastomers” will take place on March ...

22.2.2021 12:13:00
Worldwide     147
Airbus updates production rates in response to market environment

Airbus updates production rates in response to market environment

Airbus SE is updating its production rate planning for its A320 Family aircraft in response to the market environment. The new average production rates for the A320 Family will ...

25.1.2021 12:03:00
OEM News     326
SGS acquires SYNLAB Analytics & Services

SGS acquires SYNLAB Analytics & Services

SGS, the leading global testing, inspection and certification company, announced the acquisition of SYNLAB Analytics & Services (A&S), a leading European environmental, food ...

15.1.2021 10:37:00
Worldwide     221
Delphi Technologies Aftermarket returns to the lubricants market with ”D” brand

Delphi Technologies Aftermarket returns to the lubricants market with ”D” brand

BorgWarner, a world leader in clean and efficient technology solutions for internal combustion, hybrid and electric vehicles, continues to expand its aftermarket product range in ...

14.1.2021 13:37:00
From Turkey     448
Evonik opens Asia Pacific Oil Additives Performance Test Lab

Evonik opens Asia Pacific Oil Additives Performance Test Lab

Evonik announced the opening of a new Asia Pacific Oil Additives Performance Lab in Shanghai. This new performance test lab, housing state-of-the-art laboratory facilities and ...

12.1.2021 10:01:00
Worldwide     270
Rethinking virtual events

Rethinking virtual events

At 9am CET on Tuesday January 19th 2021, up to 500 attendees will convene for the launch of ACI’s European Base Oils & Lubricants Online series. They will, however, not be ...

11.1.2021 17:38:00
Worldwide     141
Windrose Airlines selects NYCO turbine oil for its mixed fleet

Windrose Airlines selects NYCO turbine oil for its mixed fleet

NYCO announces that Windrose Airlines, a Ukrainian airline based in Kiev, selected Turbonycoil® 600, a synthetic turbine oil, to lubricate the engines of its whole fleet. ...

31.12.2020 12:33:00
Worldwide     300
Energy-efficient hydraulic fluids in industrial equipment

Energy-efficient hydraulic fluids in industrial equipment

Energy efficiency is one of the most important topics of this era. Dr. Holger Pletsch from Evonik Oil Additives, a leading German company which is an expert in the field of ...

31.12.2020 12:15:00
Articles     304
Shell develops solutions for Scuderia Ferrari since 1950

Shell develops solutions for Scuderia Ferrari since 1950

Shell, which has been Scuderia Ferrari's "Innovation Partner" for over 70 years, continues to power up Scuderia Ferrari on the track with Shell V-Power and Shell Helix Ultra, ...

31.12.2020 12:06:00
Product Review     230
A new and powerful player in the field of special greases: Vario

A new and powerful player in the field of special greases: Vario

Vario Engineering, established with the aim of meeting the need for special greases within Turkey and offering more accessible and high quality products while reducing foreign ...

31.12.2020 11:58:00
Facility Review     540