Online Cooling eLearning

Lead-Free Wave Soldering: Process - On-Line Training Web-training with certification for process engineers, technologists, and senior operators who work with lead-free wave. ?Impact of lead-free on wave ?Alloys, difference to tin-lead ?Reliability acceptance, cosmetics ?Flux, VOC, water-based, no-clean ?Machine set-up ?Fluxer ?Nitrogen, Solder pot changeover ?Pre-heat, contact time, range ?Dual-wave, board-warp, cooling ?Selective soldering ?Copper  more...

Operational Efficiency - O M Best Practices ...to a variety of systems and equipment including chillers, cooling towers, boilers, pumps, fans, motors, compressors, steam traps, fans, lighting and temperature controls. The student is expected to read and review the material contained in the Operations & Maintenance Best Practices, A Guide To Achieving Operational Efficiency ? Release 2.0, Federal Energy Management Program, Prepared by  more...

Energy Saving Initiatives - Residential and Light Commercial ...avings: Insulation and sealing air leaks Heating and cooling Water heating Windows Lighting Appliances Home office and home electronics Driving and car maintenance Renewable energy State Board Acceptance This course can be used by professional engineers to fulfill PDH requirements mandated by state and provincial licensing boards. Decatur Professional Development is an  more...

Heating and Cooling System Upgrades - Energy Star ...cooling systems are the largest single consumers of energy in buildings. These systems condition the air within a building so that occupants are comfortable. Heating and cooling systems consist mainly of chillers, boilers, cooling towers, and pumps. There are central heating and cooling systems, and unitary systems that combine heating and cooling. Opportunities exist for improvement to both  more...

Laboratory Building Energy Analysis ...lpy wheels, heat pipes, and run-around loops; evaporative cooling; and more accurate accounting for plug loads. The student is expected to read and review the material contained in Laboratories For The 21st Century - Energy Analysis, Publication DOE/GO-102003-1694 - April 2003. The student must take a multiple-choice quiz consisting of twenty (20) questions at the end of this course to obtain  more...

Energy Savings in Building Electrical Mechanical and Plumbing Systems ...: Boilers, Air Distribution Systems, Chillers, Absorption Cooling Desiccant Dehumidification Ground-Source Heat Pumps HVAC Technologies to Consider Water Heating: Heat-Recovery Water Heating, Solar Water Heating Lighting: Fluorescent Lighting, Electronic Ballasts, Lighting Controls, Exterior Lighting Office, Food Service, and Laundry Equipment Energy Management Electric Motors  more...

DC Power Supplies Fundamental Concepts ... basic components are described. Important issues such as cooling requirements, protection circuits, and radio-frequency interference are addressed. An understanding of the overall operation and performance characteristics of such power supplies will aid those in other disciplines who must accommodate power supplies in the definition, layout, or packaging of electronic devices. The student  more...

Legionnaires Disease ...ng Legionnaires' disease in building systems, such as cooling towers, hot water heaters and water distribution systems. The student is expected to read and review the material contained in Legionnaire's Disease - U.S. Department of Labor - OSHA Technical Manual (www.dol.gov). The student must take a multiple-choice quiz consisting of twenty-four (24) questions at the end of this  more...

HVAC Tips for Green Buildings ...g costs of operation and maintenance. This means that the cooling and heating equipment and controls that you select today will continue to impact your finances for as long as you occupy the building. That's why investing in a high efficiency comfort system and maintaining your comfort system makes sense. This 10-hour course discusses some of the proven energy efficiency HVAC concepts for  more...

Laboratories Best Practices Energy Recovery ...overy can substantially reduce the mechanical heating and cooling requirements associated with conditioning ventilation air in most laboratories. Laboratories typically require 100 outside air at high ventilation rates, between 6 and 15 air changes per hour, primarily for safety reasons. The heating and cooling energy needed to condition this air, as well as the fan energy needed to move it, is  more...

Laboratories Best Practices Minimizing Reheat ...ility can significantly increase simultaneous heating and cooling, particularly for systems that use zone reheat for temperature control. There are several different HVAC system alternatives that can mitigate reheat energy use. In this course the student will learn the problem of simultaneous heating and cooling resulting from load variations, and presents several technological and design  more...

An Introduction to Air Conditioning Systems Overview This is a course for all of the members of the building design team?.except the mechanical engineers. It will give you a basic introduction to air conditioning system design so you can better understand the technology, concepts and terminology in design of air conditioning systems. It will help you to be a better partner in the building design and construction process. This is your  more...

An Introduction to Design of Heating and Cooling Distribution Systems ...iew This is an introduction to the design of heating and cooling distribution systems outside of buildings. It provides information about system selection, distribution media selection, and general distribution system design. Discussed are distribution systems in trenches, pre-engineered underground systems, prefabricated underground heating and cooling distribution systems, and aboveground  more...

Cooling Water Problems and Solutions ...cooling water treatment may be required are to control corrosion, scale formation, and the growth of biological agents. Any of these problems ? or more usually a combination of them ? can cause a loss of efficiency, shorten equipment life and push up operating costs. Imagine the large amounts of dollars lost when insufficient cooling suddenly curtails operations of process equipments. A very  more...

HVAC - Concepts and Fundamentals ...ms? on PDHengineer.com, which focuses on HVAC heating and cooling equipments, air and hydronic distribution and the various types of HVAC systems, is separately listed. The reader must take a multiple-choice quiz consisting of thirty (30) questions at the end of this course to obtain PDH credits. Specific Knowledge or Skill Obtained This course teaches the following specific  more...

Evaporative Cooling Design Guidelines ...cooling is a method of converting hot air into a cool breeze using the process of evaporating water. There are two essential requirements for evaporative cooling: 1) a wetted surface (supplied by filter pads) and 2) A source of moving air (supplied by a blower powered by an electric motor). The technology is a versatile and energy-efficient alternative to compressor-based cooling. Compared to  more...

Alternatives to Active HVAC Systems ...gy intensive building materials, incorporation of passive cooling techniques in building design, and integration of renewable energy technologies. Passive cooling methods maximize the efficiency of the building envelope by minimizing heat gain from the external environment and facilitate cooling by air movement, ventilation, night cooling, evaporation, desiccant dehumidification and earth  more...

HVAC - Equipment and Systems ... or moisture. Distribution components convey a heating or cooling medium from a source location to portions of a building that require conditioning. Delivery components serve as an interface between the distribution system and occupied spaces. Compact systems that serve only one space or zone of a building (local systems) often incorporate all three functions in a single piece of equipment.  more...

Industrial Gas Turbine Performance Engineering ...e peak rating, maximum continues rating and turbine inlet cooling, which is becoming increasingly popular. The simulation of control system performance is also discussed and includes the simulation of faults associated with control systems. Two simulators are employed and they correspond to the single shaft gas turbine, which is extensively used in power generation, and the two-shaft gas  more...

Improving the Efficiency of Duct Systems ...cooling your home, is a collection of tubes that distributes the heated or cooled air to the various rooms. This system can make a big difference in both the cost and the effectiveness of heating and cooling the home. The duct system can have an important effect on health of the occupants through the distribution of indoor air pollution. In this course the student will learn some of the  more...

Mechanical Design of Pumping Stations - Pump Drivers ... the selection of driver equipment for pumping stations Cooling systems, control equipment, drive shafts, lubrication, starters and gear drives for engines Fuel systems for engine drivers Relative merits of induction vs. synchronous electric motors for different pump applications Starting current limitations, starting torque, duty cycle, power factor correction and noise level for  more...

Geothermal Heat Pumps ...ngs. Geothermal heat pumps are used for space heating and cooling, as well as water heating. Its great advantage is that it works by concentrating naturally existing heat, rather than by producing heat through combustion of fossil fuels. The technology relies on the fact that the Earth (beneath the surface) remains at a relatively constant temperature throughout the year, warmer than the air  more...

Desiccant Dehumidification Systems for Comfort Conditioning ...ving Advanced Desiccant Materials into Mainstream Non-CFC Cooling Products, CRADA Final Report For CRADA Number ORNL94-321, DOE Contract No. DE-AC05-96)R22464, Published July, 1999. The student must take a multiple-choice quiz consisting of ten (10) questions at the end of this course to obtain PDH credits. Specific Knowledge or Skill Attained This course teaches the following specific  more...

Fan Coil Basics - Titus ...s. Fan coil units can provide zone control of heating and cooling in a manner that matches the zone load. For fan coil products, the typical application characteristics are similar to multi-family residential building. For these structures, heating and cooling load calculations will differ from commercial applications. In this course the student will learn some of the basics about fan coil  more...

Ozone Treatment for Cooling Towers ...ly a century for its powerful ability to disinfect water. Cooling tower water must be treated to limit the growth of mineral and microbial deposits that can reduce the heat transfer efficiency of the cooling tower. The use of ozone to treat water in cooling towers is a relatively new practice that is increasing in popularity, and it has good potential for use in commercial building systems. In  more...

Heat Transfer Fundamentals ...ryday lives - from an oven heating our dinner to the wind cooling us on a hot summer day. Thus, it is important that the engineer understands how to apply the basic principles of heat transfer to solve real-world problems. This course covers the fundamentals of heat transfer, including conduction, convection and radiation. The course material covers Module 2 - "Heat Transfer" in the  more...

Heat Exchanger Applications ... are used for a variety of different processes - heating, cooling, condensing, evaporating, recirculating, and heat recovery. When you mention a heat exchanger, many people think only of a shell and tube type exchanger. However, there are several heat exchanger technologies, in addition to the old reliable shell and tube exchanger. This course will cover the wide variety of heat exchangers that  more...

Air-Cooled Lithium Bromide Absorption for CHP Applications ...n Absorbers Cascaded Systems Intermittent Evaporative Cooling Pre-Cooling Return Air In HVAC Systems State Board Acceptance This course can be used by professional engineers to fulfill PDH requirements mandated by state and provincial licensing boards. Decatur Professional Development is an approved provider of continuing education in all states that pre-approve course providers. In  more...

Ductsox and Fabric Air Distribution Systems ...to sheet metal systems Fabric duct systems for heating, cooling and/or ventilation system applications Facility specific design considerations DuctSox specific product models, features and benefits Selection and specification guidelines for fabric air distribution systems Installation techniques and consideration Architectural considerations and advantages of fabric air distribution  more...

HVAC - Hydronic Systems ... space through ducts. All-Air Systems achieve the task of cooling a building by convection only. Hydronic systems provide an alternative to cool/heat through a combination of radiation and convection inside the building. Hydronic heating has three advantages over other types of heating systems. These advantages are comfort, efficiency, and versatile installation. With hydronics, you can move  more...

Air Conditioning Systems ...s. In a broader sense, air conditioning includes both the cooling and heating of air, cleaning it and controlling its moisture level, and conditioning it to provide maximum indoor comfort. Engineers define the process as one in which a system of mechanical components - usually a compressor, a fan, condenser coil, evaporator coil and a chemical refrigerant - extract heat from indoor air and  more...

Heat Pump Systems Overview This three-hour course reviews the operation of residential heat pump systems. In this course, we review basic operation of heat pumps, the various components of heat pump systems, the types of heat pumps, and the performance characteristics of heat pump systems. There is a multiple-choice quiz consisting of twenty (20) questions at the end of the course to obtain PDH credits.  more...

Desiccant Dehumidification Wheel Testing ...cooling systems are energy efficient and environmentally benign. Desiccant systems allow more fresh air into buildings, thus improving indoor air quality without using more energy. Desiccant systems also displace chlorofluorocarbon-based cooling equipment, the emissions from which contribute to the depletion of the Earth's ozone layer. In this course the student will learn some of the  more...

HVAC Applications Through Computer Simulation ...ly, very tedious work. Mixing of air streams, heating and cooling coil processes, and HVAC system simulation all require laborious calculations by the engineer. In this course, you will learn how to solve these problems using a spreadsheet program, which is included as part of the purchase price for the course. The course first covers the fundamentals of common HVAC processes. Mass and energy  more...

HVAC Pumps Characteristics and Energy Efficiency ... chilled water flows can be matched to actual heating and cooling demands. This 5-hour course provides the students with a firm understanding of the basic principles that centrifugal pumps operate under. Topics covered include the performance curve, series operation, parallel operation, the affinity laws, friction, specific gravity & viscosity, suction lift, and NPSH. The reader must take a  more...

HVAC - Variable Air Volume Systems ...er hand, are designed to simultaneously meet a variety of cooling and heating loads in a relatively efficient manner. The system achieves this by varying the distribution of air depending on the cooling or heating loads of each area. The air flow variation allows for adjusting the temperature in a single zone without changing the temperature of air in the whole system, minimizing any instances  more...

Application of Psychrometrics to Heating and Cooling Psychrometry is the study of moist air. It is significant in terms of thermal comfort and is a major consideration in the design of air conditioning systems. Air conditioning engineers use the psychrometric chart to predict changes in the environment when the amount of heat and/or water in the air changes. A psychrometric chart provides a convenient way to look at the air conditioning processes  more...

HVAC Cooling Load Calculations and Principles ...cooling load calculations are carried out to estimate the required capacity of heating and cooling systems, which can maintain the required conditions in the conditioned space. To estimate the required cooling or heating capacities, one has to have information regarding the design indoor and outdoor conditions, specifications of the building, specifications of the conditioned space (such as the  more...

Cooling Towers ...d processes are to continue to operate efficiently. Water cooling is the most efficient method of dissipating heat. A cooling tower is a device used in industry to cool hot water (by partial evaporation) before reusing it as a coolant. Water directly contacts surrounding air and a very small part (1-2 ) evaporates. This evaporation increases the air temperature and humidity and decreases the  more...

Fundamentals of Arc Welding ...ing ?Describe the effects of uneven or rapid heating and cooling on base metals and weld beads ?Explain the benefit of preheating and when it should be used ?List the factors affecting the quality of welded connections ?Understand the importance of welding procedures ?Describe effective cross-checking and NDE techniques ?Understand how to interpret welding drawing, lines, dimensions,  more...