As shown in figure 1, the heat input vaporizes the liquid working fluid inside the wick in the evaporator section. Calculations are based on established theoretical thermal equations. Industrial pipe and vessel heat trace system design tracecalc pro is a windows desktop heattracing system design software. Tracecalc pro system design software nvent thermal.
Run unbiased calculations based on a set of operating conditions such as cooling capacity, refrigerant, evaporation, and condensation temperature and then select the best components for your design. Heat pipe selection and optimization on demand flow tech, inc. This extensive collection of training videos and exercises gives you insight into the technical workings of the software and shows you how to get the most out of it. We stand behind our quality products with quality tools to help you make the most of our heatcraft refrigeration systems. Fluidflow thermal energy transfer software heat transfer functionality modules. While we meet and exceed the industrys highest standards and always take great care in our products quality and details, it is this. At the hot interface of a heat pipe a liquid in contact with a thermally conductive solid surface turns. Selection software we offer free selfselection software packages and site surveys if required. Allows accurate selection andor rating of plate fin and tube compact heat exchangers for commercial and industrial hvac, refrigeration, and process heating and cooling applications. Rapidly compares energy cost performance of hvac system and equipment designs in commercial buildings.
Performance of heat pipe for different working fluids and fill ratios journal of mechanical engineering, vol. Once the heat pipe has been hermetically sealed, it is ready for use. In this engineering article well talk about what a heat pipe, how they are made, compare. With origins in 1979 in the uk, the company has inherited a wealth of technical expertise that forms the core of its product range comprising of dehumidifiers, heat pipes, energy recovery ventilator units and uv sterilizers. It provides a userfriendly interface that guides you through a stepbystep process to obtain the best heat tracing solution for your particular project utilizing worldclass brands such as nvent raychem, nvent tracer, and nvent pyrotenax. This tool is intended to provide the designer with the capability to perform a preliminary design selection and to evaluate performance at various design conditions. In this engineering article well talk about what a heat pipe. Assume a 20 x 20mm heat source dissipating 70 watts of power with a single 90 degree bend what are the appropriate heat pipe options.
Design considerations when using heat pipes electronics. Innergy tech winnergy pro is our third generation selection software. You must be registered to access the heat pipe selection software. We also share information about your use of our site with our social media, advertising and analytics partners. Heat transfer software unilab heat transfer software. The capabilities include the selection of dehumidification heat pipes and. Fluidflow thermal energy transfer software fluidflow.
Heat pipes selection procedure the heat pipe cloudbased software, selectplus, developed and ed by hpt is designed for selecting and sizing hpts dehumidifier heat pipes and energy recovery heat pipes. Below 0 o c, the water freezes within the sintered wick structure but causes no damage due to expansion as the amount of liquid is so small. Spc hidros range of dehumidifiers offers a selection of robust, compact and versatile units. Setting the standard for energy recovery innergy tech. Daikin software is available from your local daikin applied representative. Selection of appropriate type and geometry selection of candidate materials evaluation of performance limits evaluation of the actual performance the background to each of these stages is covered in chapters 2 and 3. A rule of thumb for the effective thermal conductivity of a heat pipe is 4000 wmk. The fluid options change slightly on the shellside due to the inclusion of. Heat pipe operating principles pressure drops operating temperature functional types of heat pipes heat pipe operating characteristics heat pipe design and selection design considerations mostly for vendors selecting heat pipes as part of thermal control system and.
At the hot interface of a heat pipe a liquid in contact with a thermally conductive solid surface turns into a vapor by absorbing heat from that surface. Our kselect selection software incorporates powerful engineering tools to provide a design reference that can save significant time in the design of a buildings hvac system. In fact, an entire loadmatch system can be designed within 30 minutes from top to bottom. Spc have been supplying heat pipe based heat recovery systems to the hvac industry for the last 30 years. Advanced cooling technologies selection software airtoair heat pipe heat exchangers. Cloudbased, selectplus is a heat pipe design, pricing, drawingcreation, and plansubmittal software program. Is there a a free software for designing heat pipes heat. Stable supply partner fujikura has been supplying thermal solutions for over 30. Fujikura has a proven track record in providing high quality heat pipe products. Online coil selection software coilpro is now available with new working fluids for the companys full range of heat pipes.
Mvk160 heat and mass transfer may 7, 2012, lund, sweden heat pipe, selection of working. Designing and specifying the ideal hvac system can be a timeand costintensive process. Refrigeration software for pipe sizing and heat load calculations. The fluid selections are available consisting of water and various concentrations of ethylene and propylene glycol or selected other fluids. Track changes in fluid phase state arising from heat transfer. Additionally, users can select between standard or performance sintered wick materials. Generate performance reports, psychrometrics and dimensional drawings. Esppicv is a quick and easy way to size and select ultra setter pressure independent control valves using just their flow rate. Wraparound heat pipe heat exchanger wahx selection tool. Erickson living installs hpts passive dehumidification systems at many of their facilities, saving thousands of dollars in air conditioning and reheat costs.
Many factors have to be considered in choosing a heat pipe for a specific application. Learn how to use step by step with tutorial videos. This program will assist the hvac design engineer in the proper selection of a wraparound heat pipe heat exchanger wahx and provide energy savings. The hss design suite is a free collection of tools that takes the timeconsuming out of hydronic system design. Calculation of the thermal capacity of a cold room. Flite software ni ltd is recognised worldwide as a provider of quality engineering application and selection software products. Fluidflow is provided with a database of thermal conductivity values for pipe materials, coatings, insulation and soil types. Do you have a need for calculating plate heat exchangers. Smartpm smartpm performance monitoring, analysis, and prediction software for shellandtube heat exchanger networks supports a greater understanding of oil refinery operational performance. It provides a userfriendly interface that guides you through a stepbystep process to obtain the best heattracing solution for your particular project utilizing worldclass brands such as nvent raychem, nvent tracer, and nvent pyrotenax. Loop heat pipe with coherent porous wick since the porous material used for current heat pipes is usually stochastic structure, it is hard to apply analytical or numerical methods for design optimization. To solve this, munters offers a wide range of airtoair energy recovery products that utilize heat exchangers, heat pipes and energy recovery wheels for decreased energy and operation costs. Industry standard software for refrigeration pipe network design, heat gain analysis, psychrometrics and cooler selection by white rose software, uk.
With us, you will be guided towards the best and most economical product for your particular application. Fujikura was the first company in the world to provide heat pipe thermal solutions that passed severe reliability tests for the automobile industry. Apr 28, 2016 however, in an actual application when a heat pipe is soldered or epoxied to the base of a heat sink, the effective thermal conductivity of the heat pipe may be drastically reduced due to the extra thermal resistances added by the bonding. To ensure each heat pipe receives the same amount of heat, place them directly above the heat source, or very nearly so. Hvac system design software carrier commercial systems. Webbased selection software is also tied to these products allowing for a simple design solution that can quickly provide equipment schedules, drawings, and specifications with just a few clicks. Engineers can study heat transfer effects at heat exchangers and fittings. Often this is not an easy task, and the following needs to be considered. Typical applications include heat rejection from high voltage vfd drives and electronic switch gear. Nov 28, 2011 online coil selection software coilpro is now available with new working fluids for the companys full range of heat pipes.
Once the need for heat pipe arises, the most appropriate heat pipe needs to be selected. The selection of the proper heat pipe cooling solution is dependent upon the developers specifications, design constraints and. This software built and designed to match all technical support engineers requirements by sections selection to build up the ahu unit exactly as per designer request, in addition calculation of performance for fan, coil, air washer, electric heater, steam humidifier, economizer and heat recovery. This tool is intended to provide the designer with the capability to perform a preliminary design selection and to evaluate. Click here to access the online coil selector software once registered. Heat pipes are in common use in many applications as it is the most effective way to transfer heat from one region to other region. A loop heat pipe with coherent pores integrated to the heat source is considered as a calculation model in this paperfig. Learn how to use coolselector2 and operate it with confidence by participating in the coolselector2 startup school. Software for thermal and hydraulic design of heat exchangers.
Colmac heat pipe coils for airtoair heat recovery colmac. Innergy tech is the most complete manufacturer of airtoair energy recovery products in north america. Posted on april 28, 2016 by rebecca oday 1 comment. Nearly 800 enterprise users of new selectplus software are specifying heat pipe technology solutions at a record pace. Ready to select pumps as well as suction diffusers, triple duty valves, heat exchangers, airdirt separators, pic valves, and parts. At the heart of the design suite is taco hydronic system solutions. These programs are tailored to increase productivity and accuracy, improve analysis capabilities and job documentation, and add a level of marketability to a designers estimates. Colmac coil engineers have developed a proprietary software program, coilpro, to. Pipesizer an electronic pipe calculator for sizing piping and calculating pressure drops. Often it is necessary to flatten a heat pipe to fit into a desired shape or.
This program will assist the hvac design engineer in the proper selection of a wraparound heat pipe heat exchanger wahx and provide energy savings estimates. Supports applications in the schematic design phase of projects where multiple designs are being evaluated to identify one or a small group of alternatives. A heat pipe is a heat transfer device that combines the principles of both thermal conductivity and phase transition to effectively transfer heat between two solid interfaces. Htri offers several additional software products that can be independently licensed. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. This article is intended to offer design guidance when using heat pipes for the most prevalent types of electronics applications. This higher temperature range allows for heat recovery from higher working temperature airstreams. The process of making an enertron heat pipe begins by thoroughly vacuuming the heat pipe vessel to clear the passage of any obstructions, charging the vessel with the working fluid desired, and sealing the vessel.
It directly assists with heat pipe design and heat pipe pricing, including the ability to create engineering drawings and enable required document submittals. It eliminates the need to sort through technical documents or catalogs to size the right control valves for your job. No matter if you have a chiller, a heat pump or a domestic hot water application, the new hexact 4th generation heat exchanger design software will allow the right heat exchanger selection by always ensuring you get the latest product range and software features at hand. Spc heat pipes trading llc is a specialist manufacturer and supplier of heating and cooling equipment based in the uae. The heat pipe heat exchangers are used in heat recovery applications to cool the incoming. Selection and design of monoflat and wraparound heat pipe exchangers. The heat exchanger selection program allows the user to specify the type of fluid used in the hydronic system. Industrial pipe and vessel heat trace system design tracecalc pro is a windows desktop heat tracing system design software. Design considerations when using heat pipes electronics cooling. The theoretical operating temperature limits of sintered copper water heat pipes are 0250 o c, although in practice heat pipes dont really start to operate until around 20 o c. Calculations normally assume air on the finside, however, the program allows entry of gas properties in the case of special gases on the finside.
Calculate accurate savings predictions thanks to flexible hours of operation input. View a demonstration of this software at under the design tools link. The application of heat pipes should be considered when the thermal design is either conduction limited or when nonthermal goals such as weight cannot be achieved with other materials such as solid aluminum andor copper. Apr 21, 2014 cloudbased, selectplus is a heat pipe design, pricing, drawingcreation, and plansubmittal software program. A heat pipe is a heattransfer device that combines the principles of both thermal conductivity and phase transition to effectively transfer heat between two solid interfaces. A heat pipe is a two phase heat transfer device with a very high effective thermal conductivity. Coilpro is capable of selecting and rating heat pipes with 58, 78, or 1inch. Click here to access the heat pipe selection suite once registered. It requires a cooling medium, heat pipe material, wick material and a blower. The heat pipe cloudbased software, selectplus, developed and ed by hpt is designed for selecting and sizing hpts dehumidifier heat pipes and energy recovery heat pipes. The effective length leff is a useful indicator of the length of a heat pipe as employed in a specific application accounting for evaporation and condensation lengths. Flattening is another aspect of heat pipes that effect their performance.
Access cloudbased heat pipe selection software from anywhere, anytime. Whether the user is a representative, design engineer, or with an oem, the person will be able to access workflow processes. It is a vacuum tight device consisting of an envelope, a working fluid, and a wick structure. Heat pipe technology inc heat pipe software 20140421. Colmac coil manufacturing inc online coil selection software. Individual programs assist in peak load calcuation, system. Colmac coil heat pipe coils can be used to reject heat from spaces which cannot be contaminated with ambient air or other particulates. Heat pipe selection revision 12042001 heat pipes are being used very often in particular applications when conventional cooling methods are not suitable. Our product selection software and approximating energy savings calculator can help you make informed decisions regarding the consideration or purchase of refrigeration equipment with quickaccess information and data. There are a large number of other compatible envelopefluid pairs that are used at other temperature ranges. Is there a a free software for designing heat pipes heat exchangers used in air conditioning systems hvac. Refrigeration software for pipe sizing and heat load.
200 1053 338 1168 682 170 1170 114 49 1372 555 865 334 353 945 5 705 1087 656 666 919 15 738 1358 516 622 1165 150 995 1243 641 801 733 445 737 384 833 1337 1273 35 461 1268 714 1020 826 1254