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Record #126213:

Dynamic performance of a cross flow heat recovery ventilator operating under frost conditions / Yves Mercadier, Tu Duong, Frédéric Lagacé.

Title: Dynamic performance of a cross flow heat recovery ventilator operating under frost conditions / Yves Mercadier, Tu Duong, Frédéric Lagacé.
Author(s): Mercadier, Yves.
Duong, Tu.
Lagacé, Frédéric.
Date: 1993.
In: CRREL Special Report. (1993.), Vol. 93-22 (1993)
Abstract: Use of mechanical air-ventilating heat exchangers in cold regions can deteriorate performance of system. When outdoor temperature is cold enough, moisture in exhaust airstream can freeze within heat exchanger; accumulation of ice and frost reduces rates of thermal conductance and heat transfer, and frost obstructs airflow passages and decreases sensible energy efficiency. Research is undertaken to predict dynamic thermal behaviour of residential air-to-air cross-flow heat exchanger. Three validations are made and numerical results show that present model predicts fairly when compared with experimental data.
Notes:

CRREL Special Report. Vol. 93-22 :113-121 (1993).

Keywords: 69 -- Building construction and materials.
69(211) -- Building construction in cold regions.
697.9 -- Ventilation and air conditioning.
624.144 -- Damage caused by snow and ice.
E12 -- Glaciology: frozen ground / snow and ice engineering.
SPRI record no.: 126213

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520 3# ‡aUse of mechanical air-ventilating heat exchangers in cold regions can deteriorate performance of system. When outdoor temperature is cold enough, moisture in exhaust airstream can freeze within heat exchanger; accumulation of ice and frost reduces rates of thermal conductance and heat transfer, and frost obstructs airflow passages and decreases sensible energy efficiency. Research is undertaken to predict dynamic thermal behaviour of residential air-to-air cross-flow heat exchanger. Three validations are made and numerical results show that present model predicts fairly when compared with experimental data.
650 07 ‡a69 -- Building construction and materials.‡2udc
650 07 ‡a69(211) -- Building construction in cold regions.‡2udc
650 07 ‡a697.9 -- Ventilation and air conditioning.‡2udc
650 07 ‡a624.144 -- Damage caused by snow and ice.‡2udc
650 07 ‡aE12 -- Glaciology: frozen ground / snow and ice engineering.‡2local
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700 1# ‡aLagacé, Frédéric.
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