A solar collector panel with a surface area of 2.97 m2 . The panel receives energy from the sun at a rate of 1.5 kW. Thirty-six percent of the incoming energy is lost to the surroundings. The remainder is used to heat liquid water from 40°C to 60°C. The water passes through the solar collector with a negligible pressure drop. Neglecting kinetic and potential energy effects, determine at steady state the mass flow rate of water, in kg. How many gallons of water at 60°C can eight collectors provide in a 20-min time period?
A solar collector panel with a surface area of 2.97 m2 . The panel receives energy from the sun at a rate of 1.5 kW. Thirty-six percent of the incoming energy is lost to the surroundings. The remainder is used to heat liquid water from 40°C to 60°C. The water passes through the solar collector with a negligible pressure drop. Neglecting kinetic and potential energy effects, determine at steady state the mass flow rate of water, in kg. How many gallons of water at 60°C can eight collectors provide in a 20-min time period?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Question
A solar collector panel with a surface area of 2.97 m2
. The panel
receives energy from the sun at a rate of 1.5 kW. Thirty-six
percent of the incoming energy is lost to the surroundings. The
remainder is used to heat liquid water from 40°C to 60°C. The
water passes through the solar collector with a negligible
pressure drop. Neglecting kinetic and potential energy effects,
determine at steady state the mass flow rate of water, in kg.
How many gallons of water at 60°C can eight collectors provide in a 20-min time period?
Transcribed Image Text:A = 2.97 m²
1.5 kW
Water in
at 40°C
Solar collector panel
Water out
36% loss
at 60°C
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