Title:
HEAT EXCHANGER
Document Type and Number:
Japanese Patent JPH1194396
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enhance the performance of a heating tube by providing a plurality of holes, at an interval, on the inner circumferential fringe of a planar fin along the circumferential direction thereof thereby wetting the entire region of the heating tube with a liquid film. SOLUTION: A plurality of holes 7 are made, at an interval, through the inner circumferential fringe of a planar fin 2 along the circumferential direction thereof. When concentrated solution is sprayed from each ejection port 3 of a spray unit 15 disposed above a heating tube 1, liquid drops 4 thereof drip at an interval onto the heating tube 1 and adheres to the outer circumferential surface thereof thus forming a liquid film 5. The heating tube 1 is thereby wetted, over the entire region thereof, by the liquid film 5 through the holes 7 at the root of the fin 2 and heat is exchanged with cooling water passing through the heating tube 1. Consequently, the heating tube 1 is cooled and coolant vapor touching the outer surface of the liquid film 5 is absorbed. Since the heating tube 1 is wetted over the entire region thereof, absorption of coolant vapor and heat exchange of the concentrated solution are increased resulting in the enhancement of performance of an absorption refrigerator.
Inventors:
IRITANI YOICHIRO
KAWADA AKIHIRO
FUKUSHIMA AKIRA
KAWADA AKIHIRO
FUKUSHIMA AKIRA
Application Number:
JP27225097A
Publication Date:
April 09, 1999
Filing Date:
September 18, 1997
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F28F1/32; F25B37/00; F25B39/02; F25B39/04; (IPC1-7): F25B37/00; F25B39/02; F25B39/04; F28F1/32
Attorney, Agent or Firm:
Toru Suganuma (1 person outside)