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Category: Petroleum Engineering

Zeroing in on the potential of solar energy to meet industrial process heat demand

Credit: Unsplash/CC0 Public Domain Today, natural gas and coal combustion supply most demand for industrial process heat (IPH), or the transfer of heat to a material within a production process. With the emergence of low-cost solar photovoltaic (PV) technologies, interest has grown in solar as an IPH option and decarbonization pathway for the industrial sector. However, industry’s thin margins and tight production schedules have raised questions about the reliability of on-site solar energy to meet required temperatures in industrial processes.…

Hydrogen gas-fueled airships could spur development in remote communities

Hydrogen gas was banned for use in airships based on misinformation and outright falsehoods 100 years ago. Credit: Piqsels What do tomatoes, hemp and hydrogen gas have in common? Only one thing: they were all victims of misinformation that banned their use. Harmless products that could have had a positive role in the economy and society were shunned for generations. It seems incredible today to think that Europeans believed tomatoes were poisonous for about 200 years. People did get sick,…

Lubricants for Electric Cars and Trucks

As the number of electric and hybrid-electric vehicles increases and their use spreads, it becomes more important for lubrication/tribology firms to explore and develop the lubricants and fluids these vehicles will need. “On an absolute basis, electric vehicles need less lubricants and additives,” says Jeff Hemphill, CTO of Schaeffler Group, an automotive supplier. “But where does the energy get used in electric vehicles compared to conventional ones? Does this make lubrication more important or less important? Where are the points…

The Basics of Lubricating Bearings

Specifying the right lubricants for bearings can be confusing. After all, many types of lubricants exist, and application-specific factors can range from the bearing’s relative positioning of the bearings to the seal type to the ease of relubrication. Operating conditions such as extreme weather, dirty factory environments and heavy loads add another layer of complexity to the decision. Still, it’s critical to get the right match between lubricant and application; getting it wrong can mean the difference between a long…

Resistance Beyond the Four Walls

What you’ll learn: The role of resistors in renewable energy. The applications of resistors out at sea. Resistors are commonplace power components in industrial buildings, but their use isn’t limited to the factory floor. In many industries, resistors play a vital role in the power management of electrical equipment. Resistors are passive electronic components that primarily create resistance to limit the flow of electric current. They also have many other uses, including adjusting signal levels, dividing voltages, and handling unnecessary…

Hang Out Zone #40 “Engineering Practice Experience Sharing”

This is UTM Faculty of Engineering’s Hang Out Zone #40 talk by me titled “Engineering Practice Experience Sharing”. In this talk, I shared in about 1 hour an example of engineering career sharing, which was my own personal experience. The case study of engineering career dwells around my adventure in the (1) oil and gas, and (2) oil and fats industry. It’ difficult to share the experiences in 1 hour, but at least this is something that can be considered…

Want cheaper nuclear energy? Turn the design process into a game

In this AI-designed layout for a boiling water reactor, fuel rods are ideally positioned around two fixed water rods to burn more efficiently. MIT researchers ran the equivalent of 36,000 simulations to find the optimal configurations, which could extend the life of the rods in an assembly by about 5 percent, generating $3 million in savings per year if scaled to the full reactor. Colors correspond to varying amounts of uranium and gadolinium oxide in each rod. Credit: Majdi Radaideh/MIT…

Solid-State Batteries Advancing Toward Promise of Fast Charging, Long Life, Safer Use

What you’ll learn: Properties of wide-bandgap materials, with a focus on SiC. How a bridgeless totem-pole topology can help cut losses. A breakdown of the half-bridge inverter topology The efficiency of power-conversion systems is getting attention and becoming increasingly important for economic and environmental concerns. The efficiency levels defined in the 80 PLUS standard class Titanium require up to 96% (at 50% load): alternative, more efficient topologies and the adoption of transistors based on wide-bandgap (WBG) materials can help minimize…

How SiC Transistors Can Improve Power-Conversion Efficiency

Download this article in PDF format. What you’ll learn: Properties of wide-bandgap materials, with a focus on SiC. How a bridgeless totem-pole topology can help cut losses. A breakdown of the half-bridge inverter topology The efficiency of power-conversion systems is getting attention and becoming increasingly important for economic and environmental concerns. The efficiency levels defined in the 80 PLUS standard class Titanium require up to 96% (at 50% load): alternative, more efficient topologies and the adoption of transistors based on…

Open- Versus Closed-Circuit Filtration for Hydraulics Performance

At a Glance: Know the basics of open- and closed-circuit filtration designs. Factors to consider when specifying a return line filter system. Selecting the appropriate filtration system when designing a hydraulic circuit is critical for maintaining fluid cleanliness and preventing premature wear, both of which contribute to optimal system operation and service life. Contamination of the hydraulic system can occur during assembly and during operation. Contamination can come in many forms, including water or other fluids, air, solid particles, or…