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2015-10-06
Event
Hybrid drive trains combine combustion engines and electric/hydraulic motors. Sophisticated energy management of both propulsion systems in the context of drive train and vehicle operation is required for maximum fuel efficiency and minimum CO2 emissions. This session discusses the latest developments in regard to energy management, optimization potential for combustion engine within electric/hydraulic drive trains and considers the impact on emissions, certification, and fuel consumption/CO2.
2015-10-06
Event
This session covers advanced technologies and analysis/design/testing techniques related to cooling system performance. It includes both system-level and component-level contents. Market conditions and government legislation are driving the demand for more power, better fuel economy and lower emissions. Simultaneously, the space available for arranging cooling systems is shrinking. These performance and emissions constraints emphasize the need for integrated engine/vehicle procedures or techniques for developing cooling systems and problem solving. This session is designed to examine the trends in cooling system design and implementation strategies to meet these new requirements.
2015-09-29
Event
Underhood thermal management and its impact on powertrain cooling is a key aspect of the vehicle development process. Controlling the underhood thermal environment has a significant impact on powertrain cooling. This session is devoted to thermal aspects the underhood environment and its impact on powertrain cooling.
2015-09-29
Event
Thermal Management represents one of the key aspects of the vehicle development. It ensures that the temperatures in the underhood and underbody areas are in desired ranges, that thermal systems operate as designed, and that no component operation is at risk due to excessive temperatures. This session covers the design of thermal components and systems and their vehicle integration.
2015-09-29
Event
Legislation, Service Cost, Thermal Performance, Safe Vehicle Operation and Vehicle Fuel Economy are but several of the areas where the mobile air conditioning refrigerant selection impacts the customer experience. Topics of interest in this session include design guidance, valves to control flow, and refrigerant blends.
2015-09-24 ...
  • September 24-25, 2015 (8:30 a.m. - 4:30 p.m.) - Troy, Michigan
Training / Education Classroom Seminars
Rapid advances have been made in the range of available designs and operational parameters as well as in the fundamental understanding of compact heat exchangers (CHEs). Since the majority of modern heat exchangers used for heating and cooling systems for vehicular applications are CHEs, keeping up to date with these advances is essential. This seminar will help you understand and be able to apply comprehensive information about the intricacies of CHE design, performance, operating problems and state-of-the-art-technology for car and truck applications.
2015-06-15
Technical Paper
2015-01-2091
Ryosuke Hayashi, Makoto Yamamoto
Abstract In a jet engine, ice accreted on a fan rotor can be shed from the blade surface due to centrifugal force, and the shed ice can damage compressor components. This phenomenon, which is referred to as ice shedding, threatens safe flight. However, there have been few studies on ice shedding because ice has numerous unknown physical parameters. Although existing icing models can simulate ice growth, these models do not have the capability to reproduce ice shedding. As such, in a previous study, we developed an icing model that takes into account both ice growth and ice shedding. In the present study, we apply the proposed icing model to a jet engine fan in order to investigate the effect of ice growth and shedding on the flow field. The computational targets of the present study are the engine fan and the fan exit guide vane (FEGV); thus, we simultaneously deal with the rotor-stator interaction problem.
2015-05-07
Standard
J2842_201505
The intent of this standard is to establish a framework to assure that all evaporators for R-744, R-1234yf, and R-445A mobile air conditioning (MAC) systems meet appropriate testing and labeling requirements. SAE J639 requires vehicle manufacturers to perform assessments to minimize reasonable risks in production MAC systems. The evaporator (as designed and manufactured) shall be part of that risk assessment and it is the responsibility of the vehicle manufacturer to assure all relevant aspects of the evaporator are included. It is the responsibility of all vehicle or evaporator manufacturers to comply with the standards of this document at a minimum. (Substitution of specific test procedures by vehicle manufactures that correlate well to field return data is acceptable.) As appropriate, this standard can be used as a guide to support risk assessments.
2015-04-29
WIP Standard
J1754/3
This SAE Standard covers ordering information for J517 100R Series hose materials for hydraulic hose assemblies using connectors specified in SAE Standard J516 or all parts of ISO 12151 for use in hydraulic systems using petroleum based hydraulic fluids.
2015-04-21
Standard
J1037_201504
This SAE Standard covers nonreinforced, extruded, flexible tubing intended primarily for use as fluid lines for automotive windshield washer systems which conform to the requirements of SAE J942.
2015-04-21
Standard
J2605_201504
The Hose Measurement Task Force conducted a round-robin study to determine the measuring capability of automotive suppliers and users to simultaneously measure the Inside Diameter (ID), Outside Diameter (OD), Wall Thickness (Wall), and Wall thickness Variation (WV) of hose using a laser-based, non-contact LOTIS QC-20 gauging device. Three (3) companies (all end users) participated in this testing with one of the three companies performing the GR&R calculations presented herein. Based upon the round-robin study this report will detail procedures, test measuring devices, results, and conclusions.
2015-04-21
Standard
J51_201504
This SAE Standard covers reinforced hose, or hose assemblies, intended for conducting liquid and gaseous dichlorodifluoromethane (refrigerant 12) in automotive air-conditioning systems. The hose shall be designed to minimize permeation of refrigerant 12 and contamination of the system and to be serviceable over a temperature range of -30 to 120 °C (-22 to 248 °F). Specific construction details are to be agreed upon between user and supplier. NOTE— SAE J2064 is the Standard for refrigerant 134a hose. For refrigerant 134a use, refer to SAE J2064
2015-04-21
Standard
J1759_201504
The Measurement of Coolant Hose task group conducted a round-robin study to determine the measuring capability of automotive suppliers and users to measure Inside Diameter (ID), Outside Diameter (OD), Wall Thickness (Wall) and wall thickness variation of hose using traditional measuring devices and techniques. Seven companies (five suppliers and two end users) participated in this testing. Based upon the round-robin study this information report will detail procedures, test measuring devices, results and recommendations.
2015-04-21
Standard
J1638_201504
This SAE Recommended Practice is used for establishing the compression set that could be expected to occur with engine coolant hoses under securing clamps. It seeks to reproduce the type of indentation caused by the clamps in the wall of the hose. An excessive compression set measured by this method would indicate a hose that could eventually alloy leakage of coolant past the clamps in service. This method has been found to give repeatable results in the range of 25% to 50% initial compression.
2015-04-20
WIP Standard
J20/1
This SAE Standard provides ordering information for any SAE 20R1 through SAE 20R4 hose type (such as EC, HT, LT, or combination thereof.) It is a supplement for Government use but may be used by others.
2015-04-20
WIP Standard
J20/2
This SAE Standard provides ordering information for any SAE 20R5 hose type (such as "EC, HT, LT" or combination thereof.) This is a wire-reinforced hose for coolant circulating systems of automotive type engines. This hose consists of a convoluted section with plain ends. The hose shall contain a wire helix or helices in the convoluted section. It is a supplement for Government use but may be used by others.
2015-04-14
Technical Paper
2015-01-1163
Gabriel Elias, Stephen Samuel, Alessandro Picarelli
Abstract This study details the investigation into the hybridization of engine ancillary systems for 2014+ Le Mans LMP1-H vehicles. This was conducted in order to counteract the new strict fuel-limiting requirements governing the powertrain system employed in this type of vehicle. Dymola 1D vehicle simulation software was used to construct a rectilinear vehicle model with a map based 3.8L V8 engine and its associated ancillary systems, including oil pumps, water pump and fuel pump as well as a full kinetic energy recovery system (ERS). Appropriate validation strategy was implemented to validate the model. A validated model was used to study the difference in fuel consumption for the conventional ancillary drive off of the internal combustion engine in various situational tests and a hybrid-electric drive for driving engine ancillaries.
2015-04-14
Technical Paper
2015-01-1349
Sandip Phapale, Praveen Kommareddy, Pavan Sindgikar, Narayan Jadhav
Abstract In a heavy commercial vehicle, the engine cooling package is designed by considering peak heat load on the vehicle cooling system from an engine end. In cooling systems, the major unit that consumes most power from the engine is the engine cooling fan. It was seen from the vehicle measured duty cycle data, for most of the time engine operates at part load condition. Regardless of demand from the engine cooling system, engine fan was operating continuously at equivalent speed of the engine. This results in continuous consumption of productive engine power from the fan end ultimately affecting vehicle fuel economy. The present study shows that low idle speed viscous fan has the potential to meet stringent engine cooling performance requirements and consumes less engine power throughout an actual vehicle duty cycle. Experiments were conducted on test vehicle with different fan speeds.
2015-04-14
Technical Paper
2015-01-1207
Makarand Kane, Swanand Kulkarni, Shinto Antony, Rohit Kharat, Naga Chaithanya
Abstract In small car segment, as far as hybridization is concerned, the space and safety constraint demands use of lower voltage viz., 48 V as compared to >100-volt-systems used for vehicles in other segments. These systems also have advantage of reduced copper weight due to reduced current. As 12 V systems are replaced by the 48 V systems, the auxiliary 12 V loads would necessitate implementation of a DC-DC converter. Considering the requirements of auxiliary loads that are fed from 12 V battery, the power rating of the DC-DC converter can get considerably high resulting in increased size. Hence, it is advisable to re-design at least some of the 12 V auxiliary systems to 48 V such as the radiator fan motor. This, along with the issues faced in the existing PMDC Motor with regard to efficiency and sizing have generated interest to investigate better alternatives for the motor.
2015-04-14
Technical Paper
2015-01-0349
Suvankar Manna, Yogendra Singh Kushwah
With stringent requirements of fuel efficiency and emissions, the airflow and thermal management within the under-hood environment is gaining significance day by day. While adequate airflow is required for cooling requirements under various vehicle operating conditions, it is also necessary to optimize it for reduced cooling drag and fan power. Hence, the need of the day is to maximize cooling requirements of Condenser, Radiator, CAC and other heat exchangers with minimal power consumption. To achieve this objective and due to the complicated nature of 3D flow phenomenon within the under-hood environment, it is useful to perform 3D CFD studies during preliminary stages to shorten design time and improve the quality and reliability of product design. In this paper we present the results from a CFD under-hood analysis that was carried out for design, development and optimization of a CRFM (Condenser, Radiator and Fan Module).
2015-04-14
Technical Paper
2015-01-1662
Manjushri Mahadev Patil, Ashok Pise, Nitin Gokhale
Abstract Recently, prediction of cylinder head temperature, using simulation techniques is one of interested tool for engineers. The main aim of this paper work is to predict the temperature field and mechanism of heat transfer prediction along cylinder head of diesel engines. Numerical analysis of conjugate heat transfer (CHT) between cylinder head and coolant was carried out. For the analysis of a six cylinder, four cylinder, three cylinder, and two cylinder stationary diesel engines for different BMEP were taken. Simulation model was prepared and solved using commercial CFD software (STARCCM+ 9.O2) in two steps i.e. flow and Conjugate Heat transfer simulation. Flow simulation predicts flow distribution and its flow velocities along with its variation with respect to cylinder location and channel dimensions. Cylinder head is then used for further analysis where flow and heat transfer is solved simultaneously using CHT (conjugate heat transfer) simulation technique.
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