An ice-cooling garment for mine rescue teams

An ice-cooling garment for mine rescue teams

65 pp; abstr in Government Reports Announcements (Report No AD-A024 756/9GA). 8.2.37 (71152) DeRosa, M.I., and Stein, R.L. An ice-cooling garment for...

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65 pp; abstr in Government Reports Announcements (Report No AD-A024 756/9GA).

8.2.37 (71152) DeRosa, M.I., and Stein, R.L. An ice-cooling garment for mine rescue teams. May 1965, 19 pp; abstr in Government Reports Announcements (Report No PB-254 487/2GA).

Training

8.2.39 (71195) Sperandio, J.C. Forty-five attentuation spectra for An experimental study of the earplugs were classified according to a transmission of information by means simplified method designed to produce of a keyboard and display screen. single-number ratings of noise reduction. High temperatures encountered by Translation into English of Bulletin du The rating procedure was applied to mine rescue teams during emergency Cerp, 1968, 17.3, 191-203. RAE the mean attentuation scores, to meansituations may cause severe physiological Translation No 1729. minus-standard-deviation scores, and to strain, hindering the men from carrying The experiments described are mean-minus-two-standard-deviation out rescue and recovery missions. concerned with the real-time relationship scores. The reporting of all three A prototype ice-cooling garment (ICG) between an operator and a computer numbers seems to give the fairest has been developed to alleviate within the framework of Air Traffic indication of an earplug's value in physiological strain due to heat stress. Control operations. The operator must controlling hearing damage in noiseThe effectiveness of the garment was check the accuracy of the coded digital exposed populations. The tests are tested with acclimatized and data stored in the computer memory described and ranked. unacclimatized subjects at a typical and displayed on a cathode ray tube work rate (1,200 btu/hr) expected and must reply to the computer by during rescue operations and at various means of a keyboard, thereby correcting hot environments (97-113°F dry bulb, any wrong information. The first phase 8 0 - 8 9 ° F wet bulb). During exposures examines and discusses training in the with the ice-cooling garment, the operation of the keyboard. The second subjects were able to maintain a safe 8.2.36 (71150) phase distinguishes and analyses the deep body temperature of 100-4°F, Fonseca, G.F. workload relative to data control and or below. Without the garment, the Effectiveness of four water cooled that relative to keyboard operation, deep body temperature rose beyond undergarments and a water cooled cap values of 100"4°F, a condition considered whilst varying the usable operating in reducing heat stress. Technical methods. unsafe for continuous work in hot report. Dec. 1975, 28 pp; abstr in conditions. Both heart rate and skin Government Reports Announcements temperature values were lower while (Report No AD-A025 216/3GA). wearing the ICG. Subjective observation The cooling provided by four also indicated a marked benefit by 8.2.40 (71200) different water cooled undergarments wearing the ICG. Anon. was directly measured on a heated Shortened assembly-line organisation copper manikin dressed in a basic hota new method to promote humanisation weather flight coverall, aircrew helmet, of the workpost (Kurzlinienorganisation: socks and black boots. This cooling, auch ein Weg zur Humanisierung des which represents absorption of the Arbeitsplatzes). (In German.) Industrielle heat produced by the metabolic processes Organisation, Dec 1975, 4 4 . 1 2 , 5 6 5 of the body plus that from the ambient 568; abstr in CIS Abstracts (CIS 768.2.38 (71189) environment in the cabin, was found to 1469). Agervold, M. be almost directly proportional to the Shiftwork - a critical review. Description of an experiment tried difference between the manikin skin Scandinavian Journal o f Psyehology, out in a typewriter assembly plant, temperature and the temperature of 1976, 17,181-188. where two normal 150 m long assembly the cooling water at the inlet to a water lines were split up into six shorter Research concerning the social cooled undergarment. Isolation of the lines, each employing a team of 25 psychological, physiological, psychomanikin surface from the hot workers. Each team then assumed full neurotic, and psychosomatic environments was provided by only a responsibility for the entire production consequences of shiftwork is reviewed water cooled undergarment and the process of assembling, fitting, finishing with main emphasis on Scandinavian basic hot-weather clothing ensemble. and inspecting the finished product. investigations. Most reports have found Although these cooling garments did This system, based on the principles of that shiftwork, especially working in not, by themselves, completely isolate job enlargement and job enrichment, three shifts, has a large number of the manikin surface against heat gain negative social and sanitary consequences. proved to be a success as regards from the hot environment, they did reaching the targets aimed at: personal The empirical studies and the theories remove about one-half of the potential initiative, job autonomy and that have been put forward to explain for heat gain from the ambient humanization of work, without affecting the results are shown to rest on a environment before the heat reached rationalization. An assessment of results generally monocausal conception of the manikin surface. The water cooled the consequences of working conditions. after 20 months showed greater job cap, which covered just the head (or satisfaction, improved human relations The possibilities and implications of only about 6% of the total body and cooperation between work team developing a more broadly conceived surface area) removed about one-third members, less absenteeism and smaller framework for interpretation and of the total metabolic heat production investigation of these issues are discussed. personnel turnover. of a seated person.

Motivation attitudes

Work organisation

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AppliedErgonomicsJune 1977