INFLUENCE OF HOT TOOL PARAMETERS ON HEAT-RECOVERY IN A SPACE-HEATING AND VENTILATION SYSTEM

被引：6

作者：

BOJIC, M ^{[1
]}

TRNOBRANSKY, K ^{[1
]}

机构：

[1] CZECH TECH UNIV, FAK STROJNI, CR-16607 PRAGUE 6, CZECH REPUBLIC

来源：

ENERGY | 1995年 / 20卷 / 10期

关键词：

D O I：

10.1016/0360-5442(95)00031-B

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A study has been carried out on heat recovery from air that ventilates a hot tool in a tool shop, The recovered heat is used to preheat air for space heating of this tool shop. Software has been used to analyze the heat-recovery efficiency and thermal comfort (TC) when the size and temperature of the hot tool are varied. An increase in hot tool size of 10% yields an energy loss of up to 2% and temperatures of the tool-shop space that are 6% higher than the TC temperature. This energy loss can be avoided if we tune the heat-recovery system (HRS) to reach TC as before. A 10% decrease of hot tool size yields at most 5% in energy saving and a tool-shop-space temperature 6% lower than the TC temperature. Further HRS tuning to provide TC will reduce energy saving. Higher or lower tool temperatures do not appreciably change the energy expenditure.

引用

页码：1075 / 1079

页数：5