Material Engineers Looking to Future: Solar Assisted Electric Vehicles  (SAEVs)

2018-08-02T09:23:52+00:00

Material Engineers : A Pipedream?  Solar-powered cars have been thought of by many as an impossible pipedream. But the innovators behind, a fully solar-powered vehicle to be released in 2019.  GOING FULLY SOLAR A Car whose ability to use solar power has been thought of as an impossible feat.  Designed by the Dutch startup Lightyear, the “car that charges itself” can supposedly drive for months without charging and has a 400 – 800 km range. But is a solar-powered car feasible?Up until now fully solar-powered cars were not considered a realistic prospect, Solar Assisted Electric Vehicles (SAEVs) were considered the best possible option for solar cars, adding up to hundreds of miles to a cars range. But the Dutch Lightyear promises [...]

Material Engineers Looking to Future: Solar Assisted Electric Vehicles  (SAEVs) 2018-08-02T09:23:52+00:00

Engineering Advances: Degradation and Saving Electric Vehicle Batteries

2018-07-10T15:47:30+00:00

Degradation of EV Lithium Batteries  Battery degradation in Electric Vehicles (See Figure 1. to Right) leads to capacity fade, thereby shortening the vehicle’s possible range.  Patterns are beginning to emerge and provide valuable insight into EV battery capacity and lifetime.  Most drivers are retaining over 90% of original capacity Range Anxiety Some cars have a range of only 106 miles, equivalent to just over three times the average daily drive in the US. New Electric Vehicles are expected to have a range of up to 235 miles, a 220% increase, therefore, range is constantly improving to address consumer concerns. Charging an EV takes time, and unless you have fast in-home charging infrastructure or public charging infrastructure it will remain a barrier. [...]

Engineering Advances: Degradation and Saving Electric Vehicle Batteries 2018-07-10T15:47:30+00:00

Electric Vehicle Battery: Electronic Materials, Cost, and Lifespan

2018-07-03T15:48:21+00:00

(Figure 1 - Electric Vehicle on Fire)  Electric Vehicle Battery Materials Most electric vehicle batteries are lithium based and rely on a mix of cobalt, manganese, nickel, and graphite and other primary components, can be very dangerous, battery fires could occur (See Figure 1. Above).  Some of these materials are harder to find than others, though none should be classified as "rare earth metals" ( http://glewengineering.com/the-impact-of-chinese-export-restrictions-on-rare-earth-elements/) . Over 60% of the  global supply for cobalt comes from the Democratic Republic of Congo (DRC), which has a poor human rights track record; international organizations have denounced for years the exploitative labor practices involved in cobalt production.  Cobalt deposits can be found throughout the world and are most prominent in the African Copper [...]

Electric Vehicle Battery: Electronic Materials, Cost, and Lifespan 2018-07-03T15:48:21+00:00

NAND Flash – 11 Myths Still Floating Around

2018-06-27T16:21:57+00:00

Think You Know NAND Flash?  NAND flash has become the de facto memory standard in the years since Toshiba first introduced it almost three decades ago. However, many misconceptions remain to this day about its use. A wide variety of NAND flash-memory products are available, all with significantly different features and capabilities.    All NAND flash has the same interface. NAND flash, introduced by Toshiba more than 20 years ago, is available in both the asynchronous and toggle-mode interfaces. The original asynchronous interface is found mostly in lower-density devices (<32 Gb), while high-density NAND flash (≥64 Gb) is typically used in the toggle-mode interface.( http://glewengineering.com/tester-prober-interfaces-direct-probe-part-1/  UFS memory is primarily just for smartphones. Universal Flash Storage (UFS), while smartphones [...]

NAND Flash – 11 Myths Still Floating Around 2018-06-27T16:21:57+00:00

Semiconductor Worldwide: Samsung Takes Over

2018-06-22T11:44:20+00:00

Samsung topples Intel as top dog semiconductor market share  Gartner beancounters say price rises driven by memory shortages propelled Samsung into the lead based on semiconductor vendor revenue, vaulting past Intel and its CPUs. The largest memory supplier, Samsung Electronics, gained the most semiconductor market share and took the No. 1 position from Intel – the first time Intel has been toppled since 1992. Memory accounted for more than two-thirds of all semiconductor revenue growth in 2017, and became the largest semiconductor category.  DRAM prices rose 44 per cent from 2016 to 2017, and NAND flash prices went up 17 per cent year-over-year for the first time. (See Figure Below)   A Gartner table provides the numeric nitty-gritty [...]

Semiconductor Worldwide: Samsung Takes Over 2018-06-22T11:44:20+00:00

Licensed Mechanical Engineer Reviews a Modified Electric Vehicle – Part 1

2018-03-05T17:14:11+00:00

A Licensed Mechanical Engineer at Glew Engineering Consulting was asked by a company in Southern California to provide a Professional Engineer (P.E.) review of body modifications that they made to a theme park owned 1983 Sport Utility Vehicle (SUV) that they had converted to an electric vehicle. Figure 1. A Mechanical Engineer Analyzed the Front of Custom Sport Utility Vehicle  Licensed Mechanical Engineer Reviews a Modified Electric Vehicle The client had already designed and built a vehicle, so Glew Engineering analyzed an “as built” vehicle.  The company hoped to repurpose a float/SUV that they had used previously in parades.  Our client was requested by the theme park to repurpose the SUV, and perform cosmetic alterations [...]

Licensed Mechanical Engineer Reviews a Modified Electric Vehicle – Part 1 2018-03-05T17:14:11+00:00

Mechanical Engineers Engaged for Cause Investigation

2018-03-06T10:44:02+00:00

At Glew Engineering, our highly trained staff has the know-how to assist in any type of cause investigation.

Mechanical Engineers Engaged for Cause Investigation 2018-03-06T10:44:02+00:00

Introduction to IC Thermal Management and Heat Transfer

2018-04-05T15:35:55+00:00

IC thermal management introduction. This relates to the heat transfer problems encountered by an electrical engineer in semiconductor design.

Introduction to IC Thermal Management and Heat Transfer 2018-04-05T15:35:55+00:00

Mechanical Engineers Support the Film Industry

2018-02-09T23:06:34+00:00

The entertainment industry relies on "entertainment engineers," e.g. mechanical engineers, electrical engineers, and others for standards https://www.smpte.org. Perhaps more importantly,  the movie industry requires Licensed Mechanical Engineers to safely innovate and amaze.  Film sets are complex physical productions, most of which are not digital special effects.  The film industry utilizes Licensed Mechanical Engineers to create complex props and various special effects that move, exploded, burn, and fly.  The mechanical engineers specializes in designing and making a wide range of mechanical devices that fulfill a specific purpose for the film or set they are engaged, or modify available technology to quickly achieve stupendous results.  Licensed Mechanical Engineers also help in structural aspects of heaving rigging, such as lighting (See above Fig. 1 [...]

Mechanical Engineers Support the Film Industry 2018-02-09T23:06:34+00:00

Glew Engineering Expert Witness Profile

2018-02-14T10:56:14+00:00

Alexander Glew, Ph.D., P.E. established Glew Engineering Consulting 20 years ago. Since then, it has successfully served clients world-wide with mechanical engineering, electrical engineering, and materials science engineering expertise.  Dr. Glew has provided testimony multiple times for Intellectual Property (IP) litigation matters, International Trade Commission (ITC) cases, and International arbitration. Fig. 1 Litigation Support Glew Engineering Expert Witness Profile Glew Engineering is located in Silicon Valley, California Alexander Glew, Ph.D., P.E. established Glew Engineering Consulting 20 years ago. Since then, it has successfully served clients world-wide with mechanical engineering, electrical engineering, and materials science engineering expertise.  Dr. Glew has provided testimony multiple times for Intellectual Property (IP) litigation matters, International Trade Commission (ITC) cases, and International arbitration. [...]

Glew Engineering Expert Witness Profile 2018-02-14T10:56:14+00:00

Licensed Mechanical Engineers Create Animal Prosthetics

2018-02-15T11:11:34+00:00

Animal Prosthetics are a widely varying field with many different interfaces.  Licensed Mechanical Engineers add immense insight into material selections, gearing, wear, and vibration response.   From disease prevention (heating, ventilation, hospital room design) to surgical tools, mechanical engineering has vastly changed the art of healing sick and injured animals.  A Licensed Mechanical Engineer can develop a variety of apparatus' for the Animal Kingdom to increase   mobility. Animal prosthetics are a relatively new phenomenon, and their technology is improving at a rapid pace.  Animal Prosthetics are Designed by Licensed Mechanical Engineers Animal Prosthetics are a widely varying field with many different interfaces.  Licensed Mechanical Engineers add immense insight into material selections, gearing, wear, and vibration response. An actuated prothetic [...]

Licensed Mechanical Engineers Create Animal Prosthetics 2018-02-15T11:11:34+00:00

Licensed Mechanical Engineers Design Zoo Habitats

2018-04-06T13:48:23+00:00

Licensed Mechanical Engineers Design Zoo Habitats Licensed Mechanical Engineers with Innovative Ideas Licensed Mechanical Engineers design habitats for Zoo Animals (see: Licensed Mechanical Engineers) accommodating all animals large and small.  Zoo care is a booming industry since the past decade.   Mechanical Engineers with innovative ideas can create sanctuaries for wildlife conservation.  Architects design the Facility Aesthetics of the Zoo.  Engineers keep the animals and public safe, and design technical aspects of the zoo enclosures.  Licensed Mechanical Engineers build habitats for animals using the most updated technical information available. Engineers ensure that the animal is content and cannot escape from its new habitat. Guests have a viewing area without encroaching the animals' personal space.  Mechanical Engineers need information such as how [...]

Licensed Mechanical Engineers Design Zoo Habitats 2018-04-06T13:48:23+00:00

Licensed Mechanical Engineer Supports Restaurants with Ventilation Exemption Letters

2018-02-02T14:22:15+00:00

Mechanical Engineering Consulting Firm Supports Small Restaurants Engaging a Mechanical Engineering Consulting Firm Facilitates Ventilation Exemption Approvals The Santa Clara County Department of Environmental Health, Consumer Protection Division, published a guideline “Food Facility Plan Requirements” to assist new (or remodeld) restaurant business owners meet the California Retail Food Code (CalCode).  The document facilitates obtaining a California Health and Safety Certificate; it does not discuss local planning and zoning requirements, or local fire safety requirements, etc.  The internet address www.ehinfo.org for further information.  Section 4.P. dictates ventilation standards; most cooking equipment needs hoods and ducts.  However, for smaller food preparation appliances, under certain circumstances, a ventilation hood exception can be granted.  Engaging a Licensed Mechanical Engineering Consulting firm can facilitate [...]

Licensed Mechanical Engineer Supports Restaurants with Ventilation Exemption Letters 2018-02-02T14:22:15+00:00

Mechanical Engineering Consulting Firm Solves Truck Axle Failure

2018-02-02T14:08:05+00:00

Mechanical Engineering Consulting Firm Solves an Axle Failure Attorney Requested Mechanical Engineering Consulting and Litigation Support Glew Engineering provides mechanical engineering consulting to high technology and industry.  As is often the case, an attorney asked us to provide an independent 3rd party review of the cause of repeated torsion axle failures on a semi-truck trailer that his client experienced.  We obtained the failure information and photographs from the client and researched the trailer and its axle configuration.  As mechanical design experts, we formulated an unbiased opinion on why the trailer’s axles failed multiple times despite being under the rated loads.  For the final phase of our litigation support, we wrote and expert report documenting our findings.   Litigation Support [...]

Mechanical Engineering Consulting Firm Solves Truck Axle Failure 2018-02-02T14:08:05+00:00

Mechanical Engineering Consulting Firm Evaluates 3D Software Using Motorcycle Frame – Part 1

2018-02-20T11:16:55+00:00

Fig. 1 A street bike shown in CAD mesh. Mechanical Engineering Consulting Group Evaluates 3D CAD Programs Mechanical Engineering Consulting Testing of Creo™, Solidworks™, and Inventor™ Mechanical Engineering Consulting service companies largely use one of three 3D CAD programs: Creo™, Solidworks™, and Inventor™.  At Glew Engineering, we have licensed seats of all three CAD mechanical design packages.  We reviewed the CAD workflow and feature sets of each 3D CAD program using motorcycle frame design as an example.  Also, we showed that some of the specialized commands of each 3D CAD software programs are better suited for specific tasks. Our engineers are experienced with 3D CAD,  stress analysis by Finite Element Analysis (FEA), as well as Computational Fluid Dynamics (CFD) FEA [...]

Mechanical Engineering Consulting Firm Evaluates 3D Software Using Motorcycle Frame – Part 1 2018-02-20T11:16:55+00:00

Comparing Wind Load Calculation Methods

2018-02-21T15:26:59+00:00

Wind Load Calculation Wind Load Calculation is an overview of the force that blowing wind exerts on a tall object.  A number of factors that influence the actual wind load on a real building, include the surrounding terrain, nearby structures,  trees, and typical weather patterns for the area.  Comparing wind load calculations are most complicated . Calculations try to account for as many of these external factors as possible, to the point where the wind load section in American Society for Civil Engineer’s ASCE 7 standard, spans five chapters and over 100 pages. Fig 1: Wind load calculation example structures ASCE 7's Applications Comparing one of ASCE 7’s Applications with the two equations [...]

Comparing Wind Load Calculation Methods 2018-02-21T15:26:59+00:00

Window Energy Efficiency: Solar Heat Gain and Visible Transmittance

2018-08-22T11:55:28+00:00

Conduction and Radiation of Thermal Energy In my last blog post, I wrote about the conduction and radiation of thermal energy through windows and the thermal transmittance value, called the U-Factor, that characterizes that heat transfer.  The U-factor is useful in evaluating window performance and making wise decisions when specifying components for a building, but it is only one piece of the puzzle.  The National Fenestration Research Council (NFRC) mandates a second value alongside U-factor in its certification process, called the Solar Heat Gain Coefficient (SHGC).  SHGC represents the ability of a window to resist heat gain from radiation, like the sunlight in Figure 1.  This is obviously a challenge, given that the entire point [...]

Window Energy Efficiency: Solar Heat Gain and Visible Transmittance 2018-08-22T11:55:28+00:00

Italian Masters: Leonardo da Vinci – Artist, Engineer, Scientist

2018-02-20T13:14:29+00:00

Figure 1: Leonardo da Vinci, by Francesco Melzi Over the course of this blog series, I have written about a number of Italian Masters of science and engineering, from astronomers like Galileo and Cassini to physicists like Torricelli and Venturi.  I’ve saved the best for last, however: Leonardo da Vinci.  He is the quintessential renaissance man who fits both our running definition of “Italian Master” as well as being included in the standard list of Masters with Rafael, Donatello and Michelangelo  Leonardo’s incredibly broad array of talents and interests have long been the subjects of movies, books, TV shows, and, of late, video games.  Throughout his life, he had one hand in the arts, ranging from painting, sculpting, music, history, and literature, [...]

Italian Masters: Leonardo da Vinci – Artist, Engineer, Scientist 2018-02-20T13:14:29+00:00

Italian Masters: Volta Jump-Starts Electrical Engineering

2018-02-21T10:28:40+00:00

Italian Masters: Volta Jump-Starts Electrical EngineeringFigure 1: Girolamo Cardano (1501-1576) Welcome back to our series on Italian Masters of math and science.  Last week I wrote about Galileo’s extensive accomplishments both in the field of astronomy and beyond.  This week, I’ll take a look at another renaissance polymath who dabbled in astronomy, along with his work in mathematics, medicine, biology, chemistry, philosophy, and gambling (yes, seriously): Girolamo Cardano.  Cardano is a less well-known figure than Galileo or some of the other scientists I’ve written about who have famous equations or units of measurement named after them, like Volta or Torricelli.  He is regarded as one of the greatest mathematicians of his age, however, and made a great many contributions to science, [...]

Italian Masters: Volta Jump-Starts Electrical Engineering 2018-02-21T10:28:40+00:00

Italian Masters: Galileo’s Stellar Science and Engineering

2018-02-21T10:55:17+00:00

Portrait of Galileo Galilei Justus Sustermans [Public domain], via Wikimedia Commons I’d like to return to our previous series on the Italian Masters, focused not on the usual masters or painting and sculpture but on the masters or science, mathematics, and engineering.  So far in the series I’ve written about the accomplishments of Volta, Cassini, Venturi and Torricelli.  Today, I’d like to look at one of the greats: Galileo Galilei.  Galileo is most famous today for standing up for heliocentrism against the Catholic Church and spending the last years of his life under house arrest as punishment.  However, Galileo didn’t let controversies or confinement stop him, and accomplished a great amount of research in not only [...]

Italian Masters: Galileo’s Stellar Science and Engineering 2018-02-21T10:55:17+00:00