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2015-11-11
Book
George Nicholas Bullen
Fusing aluminum in a multi-material lightweight vehicle is presented via studies on joining dissimilar materials, joining methods, and the performance of the joined materials. The use of aluminum offers a material that embodies properties to meet new standards as the automotive industry continues to pursue improvements in fuel efficiency and emissions. Aluminum’s strength, light weight, and corrosion resistance offers manufacturers a material alternative to steel and an additional material, which has long been known in the industry, to be employed in automotive construction. Topics of technical interest include: • Forming • Galvanic Corrosion • Welding, Fastening, Bonding • Maximizing Weight Benefits Production of strong, lightweight structures will contribute significantly to automobile manufacturers meeting mandated fuel economy standards, as well as customer preferences for utility, comfort, and safety.
2015-11-10
WIP Standard
J1468
This SAE Recommended Practice is applicable to oil-to-air oil coolers installed on mobile or stationary equipment. Such oil coolers may be used for the purpose of cooling automatic transmission fluid, hydraulic system oil, retarder system fluid, etc. This document outlines the methods of procuring the test data to determine the operating characteristics of the oil cooling system and the interpretation of the results. For information regarding application testing of oil-to-water oil coolers for heat transfer performance, see SAE J2414.
2015-11-10
Standard
J826_201511
The devices of this SAE Standard provide the means by which passenger compartment dimensions can be obtained using a deflected seat rather than a free seat contour as a reference for defining seating space. All definitions and dimensions used in conjunction with this document are described in SAE J1100. These devices are intended only to apply to the driver side or center occupant seating spaces and are not to be construed as instruments which measure or indicate occupant capabilities or comfort. This document covers only one H-point machine installed on a seat during each test. Certified H-point templates and machines can be purchased from: SAE International 400 Commonwealth Drive Warrendale, PA 15096-0001 Specific procedures are included in Appendix A for seat measurements in short- and long-coupled vehicles and in Appendix B for measurement of the driver seat cushion angle. Specifications and a calibration inspection procedure for the H-point machine are given in Appendix C.
2015-11-09
WIP Standard
J3114
The Task Force covers human factors issues involving the integration of automated driving systems into the vehicle, focusing on issues that affect driver performance and experience through the driver-vehicle-interface (DVI). The Task Force will address the associated human factors issues within Levels 2 through Level 4 as defined by SAE J3016.
2015-11-09
Technical Paper
2015-22-0008
Jérôme Uriot, Pascal Potier, Pascal Baudrit, Xavier Trosseille, Philippe Petit, Olivier Richard, Sabine Compigne, Mitsutoshi Masuda, Richard Douard
Sled tests focused on pelvis behavior and submarining can be found in the literature. However, they were performed either with rigid seats or with commercial seats. The objective of this study was to get reference tests to assess the submarining ability of dummies in more realistic conditions than on rigid seat, but still in a repeatable and reproducible setup. For this purpose, a semi-rigid seat was developed, which mimics the behavior of real seats, although it is made of rigid plates and springs that are easy to reproduce and simulate with an FE model. In total, eight PMHS sled tests were performed on this semi-rigid seat to get data in two different configurations: first in a front seat configuration that was designed to prevent submarining, then in a rear seat configuration with adjusted spring stiffness to generate submarining. All subjects sustained extensive rib fractures from the shoulder belt loading.
2015-11-06
Article
Lightweighting and design customization are focus areas for SABIC's new material solutions for aircraft cabins.
2015-11-04
WIP Standard
J2918
This SAE Recommended Practice establishes uniform test procedures and per¬formance requirements for engine-off heating, ventilation, and air conditioning (HVAC) systems in order to achieve driver thermal comfort in both winter and summer rest periods. This specification will apply to heavy trucks with and without sleeper compartments, including but is not limited to Class 6, 7, and 8 powered vehicles.
2015-11-04
WIP Standard
J2646
This SAE recommended practice establishes a uniform test procedures for on highway trucks equipped with an air-conditioning system used to condition the air in the cabin and sleeper compartment of the vehicle. This specification will apply to heavy trucks with and without sleeper compartments.
2015-11-03
Magazine
Active in aero Several automakers-notably Mercedes-Benz and Audi - used the Frankfurt Motor Show stage to reveal sleek vehicles that aggressively employ active aerodynamic elements and other advances to reduce drag. Composites permeate inside and out Composite materials are gaining popularity for both unseen structural components and for exterior eye candy. Powertrain testing: coping with complexity With increasing use of electrical components to extend the performance of conventional combustion engines, powertrain development has never been more complicated. The good news is that test and development engineers are harnessing advanced simulation techniques and computer processing to develop the most efficient and fun powertrains ever. Can ads help in vehicle-to-vehicle rollout? Porsche unveils new downsized, boosted 3.0-L boxer six. Johnson Controls, Faurecia envision interiors for autonomous driving. Jaguar enters performance crossover SUV segment.
2015-10-21
Standard
J3047_201510
This recommended practice will promote a temperature and duration guideline that mitigates the risk of thermal injuries to the heated seat user. In addition, recommendations are established to indicate to the user when the heater is operating, and warnings that should be included in the vehicle literature.
2015-10-14
Article
Mobileye’s unique perspective on a smart camera/system-on-a-chip technology is bringing safety-assisted and next semi-automated highway driving to production cars.
2015-10-12
Article
Webasto Polar Cab TS uses patented thermal storage technology to provide greater comfort for off-highway equipment operators, while reducing idle time and saving fuel.
2015-10-12
Article
TRB Lightweight Structures recently released an aerospace-grade lightweight honeycomb composite panel designed for interior applications, expanding the application areas for its range of composite flat panels. Recent investments for manufacturing composites include the procurement of a new 3- x 1.5-m autoclave system.
2015-10-08
Standard
J3078/6_201510
SAE J3078/6 specifies a test method for simulating solar heating in the laboratory and measuring the radiant heat energy from a natural or simulated source. It is applicable to Off-Road Self-Propelled Work Machines as defined in SAE J1116 and Agricultural Tractors as defined in ANSI/ASAE S390.
2015-10-08
Standard
J1810_201510
This SAE Standard describes those factors which affect the accuracy and reliability of voltage indicating units and electrical indicating and sending units for fuel level, pressure, and temperature suitable for off-road, self-propelled work machines as described in SAE J1116 and agricultural tractors as defined in ASAE S390. Indicating units are divided into two groups, fully sealed and partially sealed. Serviceable lighting is not covered by this document unless otherwise specified. No ISO document has been found to be compatible.
2015-10-07
WIP Standard
J3113
SAE Jxxxx provides principles and a process for developing icons for use in electronic displays related to Off Road Work Machines as stated defined in SAE J 1116. Following the process insures that icons are derived from ISO registered graphical symbols or ISO compliant non-registered graphical symbols.
2015-10-07
Magazine
HMIs extend beyond the cab Telematics functions are being integrated into multi-function user interfaces. Standards step forward in design of off-highway electronics Functional safety standards are starting to impact many development projects, while the auto industry's AUTOSAR standard is being deployed to help enable software reuse and simplify designs. Leveraging automotive lightweighting techniques to improve off-highway emissions Where systems engineers can gain efficiencies in off-highway equipment is agnostic, they'll take it anywhere, and so they should, but one of the ways, often underestimated, is through the use of strong and lightweight advanced materials. Waste heat recovery for the long haul A WHR system based on an organic Rankine cycle has been developed for a long-haul Iveco Stralis truck.
2015-10-06
Magazine
2016 Malibu sheds 300 lb, adds new hybrid system More wheelbase, style, fuel economy, and comfort aim to move GM's volume midsize sedan from the sidelines to the fast lane. Lighter, more powerful 2016 Honda Pilot The third-generation SUV gets a sleek new look and plenty of slick technology for enhanced performance and safety. 2016 Mazda MX-5 stays true to its roots Mazda engineers give the industry a lesson in getting more from less. 2016 Land Rover Discovery Sport spearheads more efficient Land Rovers JLR's space-efficient, flexible SUV moves to JLR's new Ingenium modular engines. Audi chooses high technology, cautious design evolution for new A4 In addition to lighter weight and significant improvements in efficiency, the new car employs plenty of technology and driver support.
2015-10-05
WIP Standard
J3112
Test standard to test effectiveness of a/c compressor with oil separator for reducing the oil circulation rate through the refrigerant loop of a mobile air conditioning system
2015-10-05
WIP Standard
AS8047A
This aerospace standard (AS) defines the requirements of portable protective breathing equipment for use during smoke/fire conditions on board an aircraft.
2015-10-01
Article
Both suppliers revealed futuristic demonstrators at the Frankfurt Motor Show that portend what vehicle cabins will look like when fully autonomous cars hit the road. Comfort and connectivity are major themes.
2015-09-29
Article
Covestro’s Makrofol SR906 is a polycarbonate film that offers good scratch and weathering resistance, making it suitable for use in automotive instrument panels.
2015-09-29
Technical Paper
2015-01-2838
Dharmar Ganesh, Riyaz Mohammed, Hareesh Krishnan, Radakrishnan Rambabu
Abstract In-vehicle displays such as an instrument cluster in a vehicle provide vital information to the user. The information in terms of displays and tell-tales needs to be perceived by the user with minimal glance during driving. Drivers must recognize the condition of the vehicle and the state of its surroundings through primarily visual means. Drivers then process this in the brain, draw on their memory to identify problem situations, decide on a plan of action and execute it in order to avoid an accident. There are visual hindrances seen in real world scenario such as obscuration, reflection and glare on the instrument cluster which prevents the vital information flow from vehicle to the driver. In order to ensure safety while driving, the instrument cluster or driver displays should be placed in an optimized location.
2015-09-29
Technical Paper
2015-01-2873
Sumit Sharma, Sandeep Sharma, Sanjay Tiwari, Umashanker Gupta
Abstract The safety of the heavy duty commercial vehicle (HCV) occupants in an accident is an imperative task and should be considered during the design and development of cabins. The sufficient cabin survival space must be remained after the accident. The main aim of this study is to develop a Finite Element (FE) model of HCV cabin and validate to the test as per AIS029. The present study also includes the assessment of the energy absorption capabilities of the HCV cab during the pendulum impact test. Initially a detailed 3D FE model of a fully suspended HCV cabin was developed and then pendulum impact test simulation was carried out using LS-Dyna explicit solver. Simulation results were compared with the test results and were found in a great agreement in terms of survival space and overall deformation behavior. The load transfer path was described at the time of pendulum impact. The largest amount of impact energy was absorbed by the frontal region of the cabin.
2015-09-29
Technical Paper
2015-01-2792
Olof Erlandsson, Thomas Skare, Arnaud Contet
Abstract The automotive industry have become more and more interested in recovering waste heat from internal combustion engines, especially with future, tighter fuel and CO2 emission regulations in sight. In this study, we consider an automotive Rankine Waste Heat Recovery System on a long-haulage truck. This system transforms some of the combustion engine's waste heat into useful energy, but it still needs to return remaining heat to the surrounding, either through a direct condenser or from an indirect condenser via a Low Temperature Radiator, and this in the regular cooling module of the vehicle. We focus on the integration of WHR-dedicated LTR or condenser into a generic, conventional truck-cooling module with an AC condenser, a cross-flow Charge Air Cooler, a down-flow High Temperature Radiator, and a fan. WHR cooling concepts considered are an indirect system with LTR; either in front or back of CAC, a direct system with condenser either in front or back of CAC.
2015-09-29
Technical Paper
2015-01-2809
Sajit Pillai, Julian LoRusso, Matthew Van Benschoten
Abstract Cylinder deactivation was evaluated both analytically and experimentally on a six cylinder diesel engine to understand potential fuel economy and emission improvements. The benefits of cylinder deactivation in Spark Ignited (SI) engines are well documented, however there is little information on the application of the technology for diesel engines. The analytical model was evaluated at low load, steady state conditions. The modified baseline model that includes cylinder deactivation maintains comparable emission levels through the optimization of Exhaust Gas Recirculation (EGR) and Variable Geometry Turbocharger (VGT). The results demonstrated reductions in Brake Specific Fuel Consumption (BSFC) and higher exhaust gas temperatures for low and part load operating points. An experimental test validated the analytical results. Disabling fuel injectors and the valve train on half of the engine's cylinders allowed for the implementation of cylinder deactivation.
2015-09-29
Technical Paper
2015-01-2869
Sumit Sharma, Sandeep Sharma, Umashanker Gupta, Ravi Joshi, Shailesh Pawar
Abstract Buses are always one of the main and favorite sources of public transit. Thousands of people die or injure every year in bus accidents. Bus seat can also cause severe injury to the occupants in case of frontal impact. Seat structure of the bus should absorb sufficient energy to minimize the passenger injury. Most of the occupants seated in the second row or further back were injured by hitting the seat back in the row in front of them. In India, AIS023 (Automotive Industry Standards) is one of the several mandatory standards from CMVR (Central Motor Vehicles Rules) to ensure the seat strength and occupant safety during accidents. This standard specifies minimum and maximum deformations range for the seat back to minimize the passenger injury with adequate seat strength. Present study includes the Finite Element Analysis (FEA) and correlation of bus seat as per AIS023 test setup with LS-Dyna explicit tool. Reasonable correlation was found between test and simulation results.
2015-09-29
Technical Paper
2015-01-2888
Devadatta Mukutmoni, Tristan Donley, Jaehoon Han, Karthik Mahadevan Muthuraman, P. David Campbell, Tom Mertz
Abstract Design and evaluation of construction equipments and vehicles in the construction industry constitute a very important but expensive and time consuming part of the engineering process on account of large number of variants of prototypes and low production volumes associated with each variant. In this article, we investigate an alternative approach to the hardware testing based design process by implementing a Computational Fluid Dynamics (CFD) simulation based methodology that has the potential to reduce the cost and time of the entire design process. The simulation results were compared with test data and good agreement was observed between test data and simulation.
2015-09-22
Article
Without idling the truck’s main engines, an auxiliary power unit can provide heating and cooling to maintain a comfortable temperature in the cab and sleeper, as well as power laptops, gaming machines, and microwaves. Fleets need to provide drivers with the ability to maintain their wanted comfort level on the road while also ensuring resources are being used wisely.
2015-09-22
WIP Standard
AIR6256
The aim of this document is to provide a comprehensive synopsis of regulations applicable to aircraft oxygen systems. The context of physiological requirements, international regulations, operational requirements and airworthiness standards is shown to understand the role of aircraft oxygen systems and to demonstrate under which circumstances is needed on aircraft. With regards to National Aviation Regulations States are committed to the Convention on International Aviation (Chicago Convention). The majority of states have adopted, with some deviations, FAA and EASA systems including operational and airworthiness requirements. Accordingly the extent of this document is primarily focused on FAA/EASA requirements.
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