Double pipe heat exchanger design calculation pdf download

Although the necessary equations for heat transfer and the pressure drop in a double pipe heat exchanger are available, using these equations the optimization of the system cost is. Heat transfer enhancement of double pipe heat exchanger using. Optimal design of double pipe heat exchanger structures. Yau developed an empirical model for the hvac system of an operating theatre to test the design of a doublepipe heat exchanger in the air handler unit. It is called a doublepipe exchanger because one fluid flows inside a pipe and the other fluid flows between. Heat exchanger calculation software free download heat. Determination of the heat transfer surface area needed for a double pipe heat exchanger design can be done using the basic heat. This excel spreadsheet helps you design a double pipe heat exchanger also known as a concentric tube heat exchanger. A double pipe heat exchanger also sometimes referred to as a pipeinpipe exchanger is a type of heat exchanger comprising a tube in tube structure. The knowledge of the principles of heat transfer within the heat exchanger are needed in order to design andor evaluate the performance of a heat exchanger. Double pipe heat exchangers often also referred to as double pipes are characterized by a construction form which imparts a ushaped appearance to the heat exchanger. The first type of a heat exchanger is called the recuperative type.

A double pipe heat exchanger will typically be either counterblow or parallel flow. Double pipe heat exchanger two sets of concentric pipes, two connecting tees, and a return head and a return bend. Pdf the double pipe heat exchanger is one heat exchanger pipe inside another larger. Design a double pipe heat exchanger with bare inner multitubes that can be used to cool engine oil with cold sea water. Products double pipe heat exchangers heat transfer. The doublepipe heat exchanger is one of the simplest types of heat exchangers. The entire analysis has been done by selecting an existing design of a double pipe heat exchanger with specified flow. Double pipe heat exchanger design heat exchanger viscosity. A practical guide for planning, selecting and designing of shell and tube exchangers takes users on a stepbystep guide to the design of heat exchangers in. Emphasis is on thermohydraulic design of the heat exchanger. Mathematical calculations and numerical results of outlet temperature, total heat transfer. Double pipe heat exchangers are often used in the chemical. In double pipe heat exchanger design, an important factor is the type of flow pattern in the heat exchanger. Double pipe heat exchanger design x 64bit download.

Shell and tube heat exchanger design software for thermal. Double pipe heat exchanger excel calculation duration. A device whose purpose is the transfer of thermal energy between two fluids. Double pipe heat exchanger design free download and.

The simplified nonviscous navier stokes momentum equation is given by. In its simplest form, the double pipe heat exchanger, also known as a concentric pipe, hairpin, jacked pipe and jacketed utube heat exchangers, consists of a single tube mounted inside. Calculation include pressure losses in pipe and fittings, natural. Heat exchangers are used to transfer heat between two sources. Heat exchanger design and heat transfer coefficients. The heat exchanger area is minimized and the thermofluid. Phex is an easy to use tool which demonstrates the thermal calculations of gasketed plate heat exchangers phex is an easy to use tool which demonstrates the thermal calculations of. The entire analysis has been done by selecting an existing design of a double pipe heat exchanger with specified. Download free excel spreadsheets for engineering calculations. Double pipe heat exchanger manufacturers india heat. Ya hussain 68 the overall heat transfer coefficient represents the ease.

In heat exchanger, is the appropriate average temperature difference to use in heat transfer calculations. A procedures manual was created for the doublepipe heat exchanger. Preliminary analytical design double pipe heat exchanger reference calculation examples 1, 2, 11, 12 and 16 are used from the. The software will do all the thermal calculations involved in the.

This paper investigates the design optimization of double pipe heat exchanger using mathematical programming. Design a double pipe heat exchanger with bare inner multitubes that. Double pipe heat exchanger design step by step software. Pdf design of double pipe heat exchanger kirti zare. Double pipe heat exchanger design consists of one pipe placed inside another pipe of a larger diameter with appropriate fittings to guide the flow from section to another. Chemical engineering calculations to assist process, plant operation and maintenance engineers. Heat exchanger calculation software free download heat exchanger calculation top 4 download offers free software downloads for windows, mac, ios and. Double pipe heat exchanger design free download as pdf file. Dhex is a software tool that is made to demonstrate the chemical design calculations of double pipe hairpin heat exchangers. Calculate logarthmic mean temperature difference lmtd.

It is called a double pipe exchanger because one fluid flows inside a pipe and the other fluid flows between that pipe and another pipe that surrounds the first. Low cost engineering calculations software available for convection heat transfer coefficients, pipe. The heat exchange duty a llows calculation of the log. The double pipe heat exchanger is one heat exchanger pipe inside another larger pipe for either counter flow or parallel flow pattern. The friction factor came from the blasius equation. High resolution image download ms powerpoint slide. Double pipe heat exchanger design security and download notice download. The screenshot below shows a heat exchanger thermal design calculations spreadsheet that can be used to. Shell and tube heat exchangers basic calculations instructor. Ntu relationships are given for a simple double pipe.

Experimental investigation of doublepipe heat exchangers. Double pipe heat exchanger design dhex is a software tool that is made to demonstrate the chemical design calculations of double pipe hairpin heat. Shell and tube heat exchangers basic calculations jurandir primo, pe 2012 pdh online pdh center. Double pipe heat exchanger design dhex is a software tool that is made to demonstrate the chemical design calculations of double pipe hairpin heat exchangers. Optimum design of double pipe heat exchanger sciencedirect. Double pipe heat exchanger design software hairpin heat. The simplest heat exchanger is one for which the hot and cold fluids move in the same or. Heat exchangers are typically classified according to flow arrangement and type of construction. The double pipe heat exchanger type has low heat transfer rate compared. The heat exchange duty a llows calculation of the log mean.

Download the excel spreadsheet templates in this article to make preliminary heat exchanger design calculations. Double pipe heat exchanger design free to try webbusterz engineering software windows 98me2000xpvista7 version 2. The heat exchanger is found in large construction to support cooling process such as fossil fuel power plant. Doublepipe heat exchangers, with their typical uturn shape, are one of the simplest and cheapest type of heat exchangers used in the chemical process industry. The overall heat transfer characteristics of a double pipe.