Corner Posts
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 ...
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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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” ...
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, ...
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. ...
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 ...
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 ...
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 ...
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 ...
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, ...
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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Last Added
Shell uses plastic waste to produce chemicals
Shell announced it has successfully made high-end chemicals using a liquid feedstock made from plastic waste. The technique, known as pyrolysis, is considered a breakthrough for ...
Emirates selects Rolls-Royce Trent XWB engines for its Airbus A350 fleet
The UAE-based airline announced it will power 50 new A350-900 aircraft with Trent XWB engines. Emirates confirmed an order for 50 A350-900 aircraft powered by Trent XWB ...
ICIS flagship meeting will take place on 17-21 February 2020
Each year, the same week in February is firmly etched into the base oils and finished lubricants markets' calendars. A week that provides the industry with their most important ...
Petroyağ enters Turkey’s “Best Managed Companies” list
Implemented in 20 countries by Deloitte Private and held in Turkey for the first time last year, the Best Managed Companies program winners were announced for 2019. The companies ...
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 ...
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, ...
ACEA highlights the need for accelerating efforts towards zero-emission mobility
At the start of a new EU political term, the European Automobile Manufacturers’ Association (ACEA) is urgently calling for a comprehensive plan to enable the transition to ...
PETDER publishes 2018 Sector Report
PETDER published the 2018 Sector Report, which includes detailed information and data on the oil sector. According to the report, lubricant consumption decreased by 14.04 percent ...
Naphthenics help solve the “lithium problem”
With an electric car revolution on its way and an ever-growing appetite for mobile phones, computers and other gadgets, the world needs to find solutions to increase supply and ...
Petrol Ofisi Lubricants is ready for the future needs of customers
Highlighting the fact that Petrol Ofisi is the traditional leader of fuels as well as the lubricants and chemical product markets in Turkey, Petrol Ofisi Lubricants Director ...