<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-19T19:40:25Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/71389" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/71389</identifier><datestamp>2022-01-13T07:54:36Z</datestamp><setSpec>com_1721.1_97716</setSpec><setSpec>com_1721.1_7749</setSpec><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_97717</setSpec><setSpec>col_1721.1_131023</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Harvey J. Bryan and Leon R. Glicksman.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Bjorklund, Abbe Ellen</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Mechanical Engineering.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Architecture</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Mechanical Engineering</dim:field>
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   <dim:field mdschema="dc" element="date" qualifier="accessioned">2012-07-02T15:23:52Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2012-07-02T15:23:52Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">1986</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">1986</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/1721.1/71389</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">17311279</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture; and, (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1986.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Typescript (photocopy).</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (v. 2, leaves 288-292)</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">A study of the energy system at the Massachusetts State Transportation Building was conducted. This innovative energy system utilizes internal-source heat pumps and a water thermal storage system to provide building heating and cooling. The potential benefits of this type of system include both energy savings and operating and equipment cost savings when compared to more conventional building heating and cooling systems. The study involved monitoring of equipment performance, computer simulation of the building energy system dynamics, and analysis of actual and modelled system efficiency. It was found that the building is presently operating as a 'low energy' building, despite a number of factors which have limited the heat pump system's capability to entirely meet winter heating requirements. Significant additional operation efficiency and cost savings are potentially available if a variety of measures are undertaken, including: stratification of the thermal storage system, utilization of demand management controls, and increased lighting system efficiency.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Abbe Ellen Bjorklund.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">M.S.</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">2 v. (443 [i.e. 444] leaves)</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso" lang="en_US">eng</dim:field>
   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by 
copyright. They may be viewed from this source for any purpose, but 
reproduction or distribution in any format is prohibited without written 
permission. See provided URL for inquiries about permission.</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="uri" lang="en_US">http://dspace.mit.edu/handle/1721.1/7582</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Architecture.</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Mechanical Engineering.</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="lcc" lang="en_US">TH7638.B56</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Heat recovery</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Heat storage</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">Heat recovery and thermal storage : a study of the Massachusetts State Transportation Building</dim:field>
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   	&lt;Title>Heat recovery and thermal storage : a study of the Massachusetts State Transportation Building&lt;/Title>
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   	&lt;PublicationDate>1986&lt;/PublicationDate>
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        	&lt;DisplayName>Bjorklund, Abbe Ellen&lt;/DisplayName>
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    &lt;Keyword>Architecture.&lt;/Keyword>
    &lt;Keyword>Mechanical Engineering.&lt;/Keyword>
   	&lt;Abstract>A study of the energy system at the Massachusetts State Transportation Building was conducted. This innovative energy system utilizes internal-source heat pumps and a water thermal storage system to provide building heating and cooling. The potential benefits of this type of system include both energy savings and operating and equipment cost savings when compared to more conventional building heating and cooling systems. The study involved monitoring of equipment performance, computer simulation of the building energy system dynamics, and analysis of actual and modelled system efficiency. It was found that the building is presently operating as a &amp;apos;low energy&amp;apos; building, despite a number of factors which have limited the heat pump system&amp;apos;s capability to entirely meet winter heating requirements. Significant additional operation efficiency and cost savings are potentially available if a variety of measures are undertaken, including: stratification of the thermal storage system, utilization of demand management controls, and increased lighting system efficiency.&lt;/Abstract>
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